| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Green,
                OH Summit Co. United States  | 
            
                E Turkeyfoot Lake Rd. / Pickle Rd. (40.97410, -81.47402)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 36.9707  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.whbc.com/city-opens-new-roundabout-has-plans-for-more/ ICD estimated from Google Maps linework. | 
| 
                Monroe,
                NC Union Co. United States  | 
            
                N Rocky River Rd. / Monroe Expressway WB Ramps (35.06481, -80.59359)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 37.1473  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework. | 
| 
                Monroe,
                NC Union Co. United States  | 
            
                N Rocky River Rd. / Monroe Expressway EB Ramps (35.06096, -80.59214)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 39.1043  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2018 | Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework. | 
| 
                Lake Charles,
                LA Calcasieu Par. United States  | 
            
                Nelson Rd. / Ham Reid Rd. (30.15396, -93.24926)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 57.8318  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | Case 3 design? https://www.kplctv.com/story/35937047/more-roundabouts-coming-to-ham-reid-road/ ICD estimated from Google Maps linework. | 
| 
                Langley,
                BC Greater Vancouver Canada  | 
            
                232 St. / 72 Ave. / Trans Canada 1 WB On-ramp (49.13829, -122.58135)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 37.5059  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2013 | Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework. | 
| 
                Coves North,
                MO Platte Co. United States  | 
            
                NW Old Tiffany Springs Rd. / N Green Hills Rd. (39.26253, -94.63089)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 44.3863  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2015 | Elliptical shape. https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework. | 
| 
                Gladstone,
                MO Clay Co. United States  | 
            
                 NE Antioch Rd. / NE Pleasant Valley Rd. (39.21369, -94.53468)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 34.2382  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework. | 
| 
                Kansas City,
                MO Platte Co. United States  | 
            
                NW 72nd St. / NW Waukomis Dr. / N Green Hills Rd. (39.22505, -94.62750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.2327  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Streetview car went through just after completion while two approaches were still blocked off. ICD estimated from Google Maps linework. | 
| 
                Riverside,
                MO Platte Co. United States  | 
            
                N Woodward Rd. / NW 52nd St. (39.18892, -94.63177)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.9531  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | ICD estimated from Google Maps linework. | 
| 
                Cambridge,
                MD Dorchester Co. United States  | 
            
                MD 16 (Church Creek Rd.) / Woods Rd. (38.54624, -76.06411)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 37.3636  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | https://www.myeasternshoremd.com/dorchester_star/news/roundabout-opens-at-route-and-woods-road/article_b39ae088-8f81-51a4-8dc8-94e149da66e8.html ICD estimated from Google Maps linework. | 
| 
                Baxter,
                MN Crow Wing Co. United States  | 
            
                Excelsior Rd. / (unlknown) (46.35451, -94.24743)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.7430  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | date: not yet built in late 2017 according to https://www.brainerddispatch.com/news/4150918-baxter-city-council-2017-could-bring-excelsior-road-roundabout yet Streetview shows it complete in 2018. Fourth leg stubbed. ICD estimated from Google Maps linework. | 
| 
                Beverly,
                MA Essex Co. United States  | 
            
                Essex St. / Old Essex Rd. (42.57129, -70.85769)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 24.6273  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.salemnews.com/news/local_news/essex-street-around-new-roundabout-to-be-closed-for-work/article_33d9323d-29f7-5067-a7e0-8ba022b4f125.html?psid=80AVI ICD estimated from Google Maps linework. | 
| 
                East Longmeadow,
                MA Hampden Co. United States  | 
            
                Center Square (Maple St. / Shaker Rd. / Prospect St. / Somers Rd. / Pleasant St. / Elm St. / N Main St.) (42.06482, -72.51288)  | 
            
                Other Existing  | 
            
                Other Unknown  | 
            
                7 Approaches 0 Driveways 31.0329  | 
            
                Other (At-Grade) Single-Lane  |   
            Seven way intersection. Mixture of stop signs and yield, including yields within the circle. Appeared in Ripley's Believe It or Not: https://www.thehotiron.com/index.php/site/comments/wisconsin_roundabouts_to_a_native_massachusetts_rotary_driver ICD estimated from Google Maps linework. | |
| 
                O'Fallon,
                IL St. Clair Co. United States  | 
            
                Milburn Estates Dr. / Portsmith Place Dr. (38.61138, -89.94514)  | 
            
                Other Existing  | 
            
                Uncontrolled None  | 
            
                3 Approaches 0 Driveways 55.9947  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                O'Fallon,
                IL St. Clair Co. United States  | 
            
                Cambridge Blvd. / St Francis Way / St Elizabeth's Blvd. (38.58493, -89.93023)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 32.6755  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Roundabout built by hospital. ICD estimated from Google Maps linework. | 
| 
                Tacoma,
                WA Pierce Co. United States  | 
            
                N Pearl St. / Five Mile Dr. / N Waterfront Dr. / Ferry Crossing Landing Rd / Park Ave. (47.30193, -122.51556)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                5 Approaches 0 Driveways 32.3966  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.thenewstribune.com/news/local/article196233104.html ICD estimated from Google Maps linework. | 
| 
                Yakima,
                WA Yakima Co. United States  | 
            
                N Fair Ave. / E Lincoln Ave. / N 10th St. / Bravo Company Blvd. (46.60868, -120.49385)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 41.0238  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | https://www.yakimawa.gov/media/news/fair-avenue-roundabout-opening-to-traffic/ ICD estimated from Google Maps linework. | 
| 
                Raymond,
                WA Pacific Co. United States  | 
            
                US 101 / Henkle St. (SR 6) (46.68234, -123.73051)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.0389  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | http://www.wsdot.wa.gov/Projects/US101/SR6IntersectionAndDrainage/default.htm ICD estimated from Google Maps linework. | 
| 
                Taos,
                NM Taos Co. United States  | 
            
                NM 585 (Paseo del Cañon) / Camino des Colores (36.37670, -105.57657)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 44.2334  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework. | 
| 
                Taos,
                NM Taos Co. United States  | 
            
                NM 585 (Paseo del Cañon) / Weimer Rd. (36.37696, -105.58156)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 42.3101  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework. | 
| 
                Taos,
                NM Taos Co. United States  | 
            
                NM 585 (Paseo del Cañon) / Gusdorf Rd. (36.37843, -105.58705)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 34.6167  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework. | 
| 
                Tacoma,
                WA Pierce Co. United States  | 
            
                (unknown) / (unknown) (47.30214, -122.51434)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 27.5370  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2018-2019). ICD estimated from Google Maps linework. | 
| 
                Gautier,
                MS Jackson Co. United States  | 
            
                N Dolphin Dr. / William Payne Adams Blvd. / (unknown) (30.39643, -88.65932)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.1462  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                N Taft Hill Rd. / CR 70 / CR 19 (40.75500, -105.11504)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 1 Driveways 37.0933  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Central Ave. / 8th St. (26.14718, -81.79695)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 19.2979  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 
                Naples,
                FL Collier Co. United States  | 
            
                Central Ave. / 10th St. (26.14752, -81.79419)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 41.8120  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Elliptical shape. ICD estimated from Google Maps linework. | 
| 
                Marysville,
                WA Snohomish Co. United States  | 
            
                Marine Dr. NE / 64th St. NE / 31st Ave. NE (48.05407, -122.18921)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 36.7229  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | Date from Streetview ICD estimated from Google Maps linework. | 
| 
                Lehigh Acres,
                FL Lee Co. United States  | 
            
                Sunshine Blvd. S / 23rd St. SW (26.59205, -81.67879)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.4957  | 
            
                Other (At-Grade) Single-Lane  |   
            2009 | Date: http://lehighacrescitizen.com/page/content.detail/id/506096/Mann-likes-Lehigh-s-new--roundabout--at-Sunshine-and-23rd-St-.html?nav=5100 ICD estimated from Google Maps linework. | 
| 
                Hveragerðisbær,
                Suðurland Iceland  | 
            
                Rte 1 / Rte 38 / Rte 376 (63.99524, -21.19289)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 38.2263  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Rte 36 (64.17599, -21.67705)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 49.4247  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Helgafellsvegur (64.16799, -21.68386)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 50.4797  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Reykjavegur (64.16546, -21.69327)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 51.5253  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Reykjavegur / Jonsteigur (64.16361, -21.68868)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 34.3525  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Þverholt / Haholt (64.16655, -21.69572)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.7058  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Langitangi (64.16486, -21.70640)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 48.9240  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Baugshilo / Skarholabraut (64.15877, -21.72472)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 52.0583  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Mosfellsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Korpuifsstadavegur (64.15355, -21.73750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 52.0680  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Blikastadavegur (64.13897, -21.75835)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 49.4906  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Vikurvegur / Rte 1 Ramps (64.13426, -21.76538)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 42.7255  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Lambhagavegur / Blikastaðavegur (64.13884, -21.75433)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 29.6945  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Mímisbrunnur / Ulfarsbraut (64.13442, -21.74713)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 22.4047  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Mimisbrunnur / Gefjunabrunnur (64.13518, -21.74463)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 22.9251  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Grafarholtsbegur / Vinlandsleið (64.12549, -21.77549)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 51.0783  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Storhofoi / Grafarnoltsvegur (64.12770, -21.77774)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 32.3123  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Srothofoi / Rte 49 Offramp (64.12625, -21.78314)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 35.9623  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Bildshofoi / Saevarhofoi (64.12464, -21.84049)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 29.1885  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Baejarhals / Halsabraut (64.11885, -21.79844)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 27.1092  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Baejarhals / Tunguhals (64.11722, -21.78862)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 25.0254  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Baejarhals / Sudurlandsvegur Ramps (64.11401, -21.78316)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 42.2352  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Hadegismoar / Sudurlandsvegur Ramps (64.11384, -21.77687)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 30.2427  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Rte 413 (64.10478, -21.77439)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 44.3356  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Rte 1 / Nordlingavad / Vegbrekkur (64.10164, -21.75941)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 45.9056  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Kópavogsbær,
                Höfuðborgarsvæðið Iceland  | 
            
                Arnarnesvegur / Rte 41 Ramps (64.09517, -21.88820)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 89.2236  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            ICD estimated from Google Maps linework. | |
| 
                Kingsville,
                MD Baltimore Co. United States  | 
            
                MD 147 (Harford Rd.) / Glen Arm Rd. / Mt Vista Rd. (39.46045, -76.45652)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.0397  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | https://www.baltimoresun.com/maryland/harford/aegis/ph-ag-harford-road-roundabout-20180102-story.html ICD estimated from Google Maps linework. | 
| 
                Clements,
                MD St. Mary's Co. United States  | 
            
                MD 242 (Colton Point Rd.) / MD 234 (Budds Creek Rd.) (38.32656, -76.72755)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.8559  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | https://www.somdnews.com/enterprise/spotlight/clements-roundabout-intersection-open-with-improvements-for-tractors/article_05f0355a-245a-5018-b4e6-79b0c5866ed8.html ICD estimated from Google Maps linework. | 
| 
                Hagerstown,
                MD Washington Co. United States  | 
            
                MD 144 (W Washington St.) / Western Maryland Pkwy. (39.64883, -77.75049)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.7839  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | https://www.wcbcradio.com/?archiv=new-roundabout-near-hagerstown ICD estimated from Google Maps linework. | 
| 
                Princess Anne,
                MD Somerset Co. United States  | 
            
                MD 822 (UMES Blvd.-Hickory Rd.) / MD 675 (Somerset Ave.) (38.21930, -75.69592)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.4712  | 
            
                Other (At-Grade) Single-Lane  |   
            2015 | https://www.delmarvanow.com/story/news/local/maryland/2014/11/24/roundabout-umes-boulevard/70053440/ ICD estimated from Google Maps linework. | 
| 
                Aberdeen,
                MD Harford Co. United States  | 
            
                MD 7 (Philadelphia Rd.) / Seven Trails Dr. / (unknown) (39.48874, -76.22404)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 46.0861  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | ICD estimated from Google Maps linework. | 
| 
                Appleton,
                MD Cecil Co. United States  | 
            
                MD 273 (Telegraph Rd.) / Appleton Rd. (39.69858, -75.81417)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.7574  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | https://www.cecildaily.com/business/construction-to-begin-on-two-roundabouts/article_a86c04d1-1da8-5e3a-927a-8f05b09e6c57.html ICD estimated from Google Maps linework. | 
| 
                Elkton,
                MD Cecil Co. United States  | 
            
                MD 281 (Red Hill Rd.) / Muddy Ln. / Kemp Ln. (39.61811, -75.79733)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 1 Driveways 37.7202  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | Year Completed estimated (2017-2018) (streetview). ICD estimated from Google Maps linework. | 
| 
                Drummondville,
                QC Drummond Regional County Municipality Canada  | 
            
                Rue du Pont / Rue Montplaisir / Chemin Hemming / Boulevard Saint-Charles (45.88839, -72.48190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4336  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | https://translate.google.com/translate?hl=en&sl=fr&u=https://www.journalexpress.ca/2013/11/01/le-carrefour-giratoire-est-maintenant-ouvert/&prev=search ICD estimated from Google Maps linework. | 
| 
                Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada  | 
            
                Route Transcanadienne / Rue Vaillancourt (46.11568, -74.57664)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 55.4702  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2014 | https://translate.google.com/translate?hl=en&sl=fr&u=https://auto.lapresse.ca/actualites/nouvelles/201309/13/01-4689204-carrefours-giratoires-attention-ca-tourne.php&prev=search Fourth approach stubbed. ICD estimated from Google Maps linework. | 
| 
                Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada  | 
            
                Route Transcanadienne / Rue Siméon (46.11689, -74.56281)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.9853  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2013 | Under construction in Sept 2012 (Streetview). ICD estimated from Google Maps linework. | 
| 
                Mont-Tremblant,
                QC Les Laurentides Regional County Municipality Canada  | 
            
                Rue de St-Jovite / Rue Siméon (46.11775, -74.56303)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 26.4923  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Fourth approach stubbed. ICD estimated from Google Maps linework. | 
| 
                Breckenridge,
                CO Summit Co. United States  | 
            
                S Park Ave. (CO 9) / Four O'clock Rd. (39.48043, -106.04811)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.1078  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Year Completed estimated (2015-2018). ICD estimated from Google Maps linework. | 
| 
                Baker/Zachary Area,
                LA East Baton Rouge Par. United States  | 
            
                Mt Pleasant-Zachary Rd. / Americana Blvd. (30.65121, -91.21301)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 53.4282  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2015 | date: https://www.theadvocate.com/baton_rouge/news/communities/zachary/article_1ecf0c49-f41b-581b-8a13-8b434793f15e.html ICD estimated from Google Maps linework. | 
| 
                Grove City,
                OH Franklin Co. United States  | 
            
                Alkire Rd. / Darby Creek Dr. (39.89552, -83.20268)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.4012  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | http://gpdgroup.com/2016/11/index-html/ ICD estimated from Google Maps linework. | 
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Mimisbrunnur / Iounnarbrunnar (64.13592, -21.74221)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 22.4035  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Mimisbrunnur / Skyggnisbraut (64.13682, -21.73933)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 33.3436  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Skyggnisbraut / Urdarbrunnur (64.13578, -21.73416)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Vikurvegur / Fossaleynir (64.14600, -21.77369)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 16.6663  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Vikurvegur / Mosavegur / Strandvegur / Korpullsstadavegur (64.15118, -21.77156)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 35.4093  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Borgavegur / Soleyjarimi (64.15041, -21.79498)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 37.4932  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Borgavegur / Spongin (64.14953, -21.78816)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 33.8491  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Spongin parking lot (64.15008, -21.78784)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 33.3277  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Borgavegur / Langirimi (64.14737, -21.78501)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 25.5190  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Hallsvegur / Langirimi (64.14056, -21.79653)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 29.1717  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Reykjavik,
                Höfuðborgarsvæðið Iceland  | 
            
                Hallsvegur / Fjallkonuvegur (64.13983, -21.78927)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                3 Approaches 0 Driveways 32.2981  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Port Orchard,
                WA Kitsap Co. United States  | 
            
                SW Lake Flora Rd. / JM Dickenson Rd. SW (47.46497, -122.72410)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 33.9114  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | https://pugetsoundblogs.com/roadwarrior/tag/lake-flora/ ICD estimated from Google Maps linework. | 
| 
                Bloomington,
                MN Hennepin Co. United States  | 
            
                W 78th St. / US 169 Frontage Rd. / (parking lot) (44.86145, -93.39441)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.5554  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. http://www.startribune.com/i-494-hwy-169-interchange-is-up-for-an-award/224898442/ ICD estimated from Google Maps linework. | 
| 
                Bloomington,
                MN Hennepin Co. United States  | 
            
                W 78th St. / US 169 SB Offramp / I-494 WB Onramp (44.86118, -93.39598)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.7090  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| 
                Bloomington,
                MN Hennepin Co. United States  | 
            
                Washington Ave. / W 78th St. / Viking Dr. (44.86003, -93.39886)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.0960  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| 
                Bloomington,
                MN Hennepin Co. United States  | 
            
                 W 78th St. / Washington Ave. / Marth Rd. (44.85859, -93.39850)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.2504  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| 
                Bloomington,
                MN Hennepin Co. United States  | 
            
                Washington Ave. / Ensign Rd. / Marth Rd. / I-494 EB Offramp (44.85775, -93.39652)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.2509  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework. | 
| 
                Bloomington,
                MN Hennepin Co. United States  | 
            
                Marth Rd. / US 169 NB Offramp / I-494 EB Onramp (44.85809, -93.39324)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 37.2507  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)  |   
            2012 | This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. Teardrop shape. ICD estimated from Google Maps linework. | 
| 
                South Holland,
                IL Cook Co. United States  | 
            
                Cottage Grove Ave. / E 166th St. (41.59355, -87.59766)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.3301  | 
            
                Other (At-Grade) Single-Lane  |   
            2008 | Year Completed estimated (2007-2008). ICD estimated from Google Maps linework. | 
| 
                Plain City,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Brock Rd. (40.16244, -83.18563)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5091  | 
            
                Other (At-Grade) Single-Lane  |   
            2013 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| 
                Plain City,
                OH Union Co. United States  | 
            
                Hyland-Croy Rd. / Ryan Pkwy (40.16771, -83.18450)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.8557  | 
            
                Other (At-Grade) Single-Lane  |   
            2012 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| 
                McDonough,
                GA Henry Co. United States  | 
            
                GA 81 / Snapping Shoals Rd. / Jackson Lake Rd. (33.46282, -83.96860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.9199  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2017 | On high-speed roadway (55 mph, 2-lane highway) with an 85 ft ICD. Painted splitter islands, no external curbs but external truck aprons on three corners. ICD estimated from Google Maps linework. | 
| 
                Manhattan,
                KS Riley Co. United States  | 
            
                Anderson Ave. / Kimball Ave. / Scenic Dr. (39.19169, -96.64167)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 62.0184  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | ICD estimated from Google Maps linework. | 
| 
                Arlington,
                TX Tarrant Co. United States  | 
            
                Nolan Ryan Expy. / Road to Six Flags St. (32.75261, -97.08398)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2008 | Adjacent to baseball stadium. Year Completed estimated (2007-2008). | 
| 
                Lancaster,
                PA Lancaster Co. United States  | 
            
                N Plum St. / E New St. / Park Ave. (40.04975, -76.29905)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 100.5667  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2019 | https://fox43.com/2019/06/12/mini-roundabout-causes-some-confusion-for-drivers-in-lancaster/ ICD estimated from Google Maps linework. | 
| 
                Mandeville,
                LA St. Tammany Par. United States  | 
            
                LA-59 / Sharp Rd. / Pineview Rd. (30.39668, -90.04326)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 39.1461  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2019 | Video with aerial view here: https://wgno.com/2019/05/24/new-hwy-59-roundabout-in-mandeville-opening-to-traffic/ ICD estimated from Google Maps linework. | 
| 
                Osceola,
                IN Elkhart Co. United States  | 
            
                Ash Rd. / Edison Rd. (41.69543, -86.06169)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 35.6718  | 
            
                Other (At-Grade) Single-Lane  |   
            2018 | date: https://www.southbendtribune.com/news/local/at-t-blamed-for-construction-delay-of-edison-ash-roundabout/article_c7e4abd2-0d4c-5cb2-9438-0d8280388751.html ICD estimated from Google Maps linework. | 
| 
                Golden Valley,
                MN Hennepin Co. United States  | 
            
                Douglas Dr. / Sandburg Rd. (45.00356, -93.36021)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.5563  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2017 | date: https://www.hennepin.us/douglasdrive plus streetview ICD estimated from Google Maps linework. | 
| 
                Golden Valley,
                MN Hennepin Co. United States  | 
            
                Golden Valley Rd. / Douglas Dr. (44.99127, -93.36021)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.0091  | 
            
                Other (At-Grade) Single-Lane  |   
            2017 | Right-turn-only lanes on north and south legs. date: https://www.hennepin.us/douglasdrive and streetview ICD estimated from Google Maps linework. | 
| 
                Kennesaw,
                GA Cobb Co. United States  | 
            
                Barrett Lakes Blvd. / Shiloh Valley Dr. (34.00320, -84.57276)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 33.6636  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2018 | https://www.mdjonline.com/news/south-barrett-reliever-roundabout-opens-to-public/article_db8e3cf4-7005-11e8-b68e-5fe8e2834b71.html ICD estimated from Google Maps linework. | 
| 
                Cumming,
                GA Forsyth Co. United States  | 
            
                Hubbard Town Rd. / Hopewell Rd. / Carruth Lake Dr. (34.31342, -84.08011)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.4996  | 
            
                Other (At-Grade) Single-Lane  |   
            2016 | Year Completed estimated (2015-2017). ICD estimated from Google Maps linework. | 
| 
                Cumming,
                GA Forsyth Co. United States  | 
            
                Hopewell Rd. / Jot em Down Rd. / AC Smith Rd. (34.32378, -84.07322)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 21.6998  | 
            
                Other (At-Grade) Single-Lane  |   
            2011 | date: https://patch.com/georgia/cumming/forsyth-county-opens-new-roundabout ICD estimated from Google Maps linework. | 
| 
                Arcata,
                CA Humboldt Co. United States  | 
            
                Sunset Ave. / Foster Ave. / Jay St. (40.87972, -124.08482)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 22.5754  | 
            
                Other (At-Grade) Single-lane w/ Traversable Central Island  |   
            2014 | Speed hump on southeast leg. Date: https://krcrtv.com/archive/new-roundabout-open-in-arcata-_2016051318431286 ICD estimated from Google Maps linework. |