| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Bozeman,
                MT Gallatin Co. United States | W Oak St. / Davis Ln. (45.69299, -111.08300) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 34.2039 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Sidney,
                MT Richland Co. United States | SR 16 (S Central Ave.) / SR 200 / SR 23 (47.68440, -104.17889) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2018 | |
| Billings,
                MT Yellowstone Co. United States | MT Hwy 3 / Zimmerman Trl. (45.80647, -108.59981) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 44.1250 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Montpelier,
                VT Washington Co. United States | US 2 (E Montpelier Rd.) / US 302 (River St.) (44.24660, -72.54959) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 2 Driveways 35.0775 | Other (At-Grade) Single-Lane | 2009 | ICD estimated from Google Maps linework. | 
| Elk Grove,
                CA Sacramento Co. United States | Bradshaw Rd. / Sheldon Rd. (38.43818, -121.33457) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1617 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Westfield,
                IN Hamilton Co. United States | Pawtucket Dr. / Bowie Dr. (40.01146, -86.18156) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.8853 | Other (At-Grade) Single-Lane | Pedestrian access to central island. ICD estimated from Google Maps linework. | |
| Westfield,
                IN Hamilton Co. United States | Somerville Dr. / Declaration Dr. (40.00247, -86.17852) | Other Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.9777 | Other (At-Grade) Single-Lane | Pedestrian access to central island. ICD estimated from Google Maps linework. | |
| Grand Junction,
                CO Mesa Co. United States | Broadway / Redlands Pkwy. (39.07812, -108.63467) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.7214 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Golden,
                CO Jefferson Co. United States | Heritage Rd. / W 4th Ave. (39.72190, -105.21004) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 12.8607 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2015 | Nearby pedestrian overcrossing in addition to at-grade pedestrian crossing on north leg. ICD estimated from Google Maps linework. | 
| Superior,
                CO Boulder Co. United States | McCaslin Blvd. / Main St. (39.95173, -105.16511) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.2711 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | West leg stubbed for future. ICD estimated from Google Maps linework. | 
| North Andover,
                MA Essex Co. United States | Massachusetts Ave. / Andover St. / Johnson St. / Great Pond Rd. (42.68399, -71.11274) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.4844 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Lawrence,
                MA Essex Co. United States | 170 May St (42.71218, -71.18037) | Traffic Calming Circle Existing | Other Unknown | 5 Approaches 0 Driveways 18.4287 | Other (At-Grade) Single-Lane | No splitter islands. Mix of stop and yield control. ICD estimated from Google Maps linework. | |
| Derry,
                NH Rockingham Co. United States | Rte 28 (N Main St.-Londonderry Turnpike) / E Broadway / Chester Rd. / E Derry Rd. (42.89225, -71.31208) | Other Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 33.2503 | Other (At-Grade) Single-Lane | Pedestrian access to central island. No splitter islands. ICD estimated from Google Maps linework. | |
| Dayton,
                ME York Co. United States | New County Rd. / Clark Mills Rd. / Hight Rd. / Goodwins Mills Rd. (43.54381, -70.59252) | Roundabout Existing | Unknown Unknown | 4 Approaches 0 Driveways 23.3741 | Other (At-Grade) Unknown | 2018 | ICD estimated from Google Maps linework. | 
| Pepperell,
                MA Middlesex Co. United States | Main St. / River Rd. / Hollis St. (42.66638, -71.58831) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.6410 | Other (At-Grade) Single-Lane | Pedestrian access to central island. ICD estimated from Google Maps linework. | |
| Newburyport,
                MA Essex Co. United States | Spofford St. / Merrimac St. / Moseley Ave. (42.83148, -70.90667) | Roundabout Existing | Other Unknown | 4 Approaches 2 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2013 | Stop control at the crosswalk and painted splitter island on the western driveway leg. Year Completed estimated (2013-2014). ICD estimated from Google Maps linework. | 
| Beverly,
                MA Essex Co. United States | Sohier Rd. / Rte 128 EB Ramps (42.57412, -70.88026) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 41.3368 | Freeway Ramps (Grade-Separated) Single-Lane | 2016 | Right-turn lanes on south and east legs. Through bypass lane on north leg. ICD estimated from Google Maps linework. | 
| Stratham,
                NH Rockingham Co. United States | Portsmouth Ave. / College Rd. (43.02268, -70.91644) | Rotary Existing | Uncontrolled Unknown | 3 Approaches 0 Driveways 114.3832 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Norfolk,
                MA Norfolk Co. United States | Main St. / Rockwood Rd. / Union St. (42.11966, -71.32520) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 24.8049 | Other (At-Grade) Single-Lane | 2004 | Pedestrian crossings at yield lines. At-grade railroad crossing to the north. Year Completed estimated (2003-2005). ICD estimated from Google Maps linework. | 
| Lawrence,
                MA Essex Co. United States | Margin St. / Medford St. / Melrose St. / Hancock St. / Bodwell St. (42.70103, -71.17348) | Other Existing | All-Way Stop Unknown | 5 Approaches 0 Driveways 21.9429 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Layton,
                UT Davis Co. United States | W 1425 N / Layton Hills Pkwy. (41.08067, -111.97839) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.0080 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Falmouth,
                ME Cumberland Co. United States | Rte 9 (Longwoods Rd.) / Middle Rd. / Woods Rd. (43.73522, -70.23748) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.3811 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Springville,
                UT Utah Co. United States | 400 S / 1300 E / Canyon Dr. (40.16084, -111.58691) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 42.8993 | Other (At-Grade) Single-Lane | 2014 | Little deflection for northbound through movement. Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework. | 
| Clinton,
                UT Davis Co. United States | 2300 N / 1500 W (41.14715, -112.05485) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.4775 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Clinton,
                UT Davis Co. United States | 1300 N / 1000 W (41.13261, -112.04527) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 19.7902 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2009). ICD estimated from Google Maps linework. | 
| Centralville,
                MA Middlesex Co. United States | Hunts Falls Bridge / VFW Hwy Ramps (42.64822, -71.29907) | Rotary Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 108.9292 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | Rotary interchange. ICD estimated from Google Maps linework. | |
| The Acre,
                MA Middlesex Co. United States | Arcand Dr. / Hall St. / Martin Luther King Jr Way (42.64922, -71.31315) | Other Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 62.3697 | Other (At-Grade) Single-Lane | No splitter islands on two legs. Very wide circulatory roadway. ICD estimated from Google Maps linework. | |
| Westborough,
                MA Worcester Co. United States | E Main St. / Milk St. / South St. / Brigham St. (42.26951, -71.61304) | Other Existing | Other Unknown | 5 Approaches 0 Driveways 39.7706 | Other (At-Grade) Multilane (2 Lane, unspecified) | Mix of stop and yield control, parking along circulatory roadway, pedestrian access to central island. ICD estimated from Google Maps linework. | |
| Manchester,
                NH Hillsborough Co. United States | Goffstown Rd. / Eddy Rd. / Amoskeag St. / I-293 Ramps (43.00402, -71.47507) | Rotary Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | ||
| San Antonio,
                TX Bexar Co. United States | San Pedro Ave. / N Main Ave. / Navarro St (29.43375, -98.49433) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 38.1000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | . | 
| Fredericton,
                NB York Canada | Rte 105 (Ring Rd.) / Two Nations Crossing (45.98807, -66.63575) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 47.3003 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Fredericton,
                NB York Canada | Bishop Dr. / Avonlea Ct. / Lian St. (45.94468, -66.68984) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.3716 | Other (At-Grade) Single-Lane | 2013 | Previous control: two-way yield. Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| Winnipeg,
                MB Manitoba Canada | Grassie Blvd. / Molson St. (49.92254, -97.05339) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.2157 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Winnipeg,
                MB Manitoba Canada | Sturgeon Rd. / Murray Park Rd. / Silver Ave. (49.89482, -97.27765) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.4708 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| High River,
                AB Alberta Canada | Centre St. / 12 Ave. / Range Road 291 (50.57198, -113.87257) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.5117 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2010 | ICD estimated from Google Maps linework. | 
| Windsor,
                ON Essex Canada | Plymouth Dr / (automotive warehouse access) (42.29604, -82.96552) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 53.8885 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2011-2014). ICD estimated from Google Maps linework. | 
| Sicamous,
                BC Columbia-Shuswap Canada | Hwy 97A / Main St. (50.83719, -118.97779) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 49.7805 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Jonesboro,
                AR Craighead Co. United States | N Airport Rd. / Aggie Rd. (35.84631, -90.65022) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2016 | |
| Columbia,
                MO Boone Co. United States | Vandiver Dr. / Parker St. (38.97104, -92.31310) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 61.2841 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Bennettsville,
                SC Marlboro Co. United States | SC 38 / Hamlet Hwy / Oakwood St. (34.64393, -79.69339) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.3030 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Warrenton,
                MO Warren Co. United States | Laguna Linda Ln. / W Veterans Memorial Pkwy. / I-70 EB Ramps (38.81933, -91.17764) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.9435 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | Elliptical shape. ICD estimated from Google Maps linework. | 
| Warrenton,
                MO Warren Co. United States | Laguna Linda Ln. / I-70 WB Ramps (38.82099, -91.17761) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 43.7340 | Freeway Ramps (Grade-Separated) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Seneca,
                MO Newton Co. United States | US 60 / MO-43 (Cherokee Ave.) (36.82445, -94.61057) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 52.5817 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Hannibal,
                MO Marion Co. United States | Shinn Ln. / Hospital Dr. (39.71048, -91.44390) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 161.7046 | Other (At-Grade) Single-Lane | 2018 | https://www.whig.com/20180527/hannibals-shinn-lane-to-close-tuesday-for-roundabout-work ICD estimated from Google Maps linework. | 
| Joplin,
                MO Jasper Co. United States | W 32nd St. / Central City Rd. / Antelope Rd. (37.05633, -94.58438) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2017 | |
| Waco,
                TX McLennan Co. United States | Waco Traffic Circle (US 77 / Circle Rd. / S Valley Mills Dr. / La Salle Sve. / N Robinson Dr.) (31.52404, -97.13200) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 1 Driveways 82.2960 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2014 | Former rotary constructed in 1935. Upgraded to oversized roundabout. Year Completed estimated (2012-2015). | 
| Dubuque,
                IA Dubuque Co. United States | N Grandview Ave. / University Ave. (42.49832, -90.68817) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 29.9396 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Dubuque,
                IA Dubuque Co. United States | N Grandview Ave. / Delhi St. / Grace St. (42.49682, -90.68791) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 20.2537 | Other (At-Grade) Single-Lane | 2016 | ICD estimated from Google Maps linework. | 
| Marion,
                IA Linn Co. United States | 7th Ave. / 7th St. (42.03326, -91.60272) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.0322 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Marion,
                IA Linn Co. United States | 7th Ave. / (future road) / (future road) (42.03286, -91.58364) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.3550 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | Elliptical shape. ICD estimated from Google Maps linework. | 
| Marion,
                IA Linn Co. United States | 29th Ave. / 35th St. (42.05043, -91.57448) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 22.1714 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2016 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. | 
| Cedar Rapids,
                IA Linn Co. United States | Tower Rd. SW / Training Rd. (41.91459, -91.65437) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.7725 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Year Completed estimated (2010-2011). ICD estimated from Google Maps linework. | 
| Hermantown,
                MN St. Louis Co. United States | Midway Rd. / Maple Grove Rd. (46.80742, -92.28061) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.4207 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| De Pere,
                WI Brown Co. United States | Monroe Rd. / Ledgeview Rd. / Oak Ridge Cir. (44.42652, -88.02331) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.2642 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Yorkville,
                WI Racine Co. United States | Washington Ave. / Spring St. (42.72909, -87.96664) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 47.3752 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Grand Blanc Township,
                MI Genesee Co. United States | E Hill Rd. / Belsay Rd. (42.94531, -83.59820) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.1019 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Summerville,
                SC Dorchester Co. United States | Butternut Rd. / Orangeburg Rd. (33.02242, -80.24179) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.0530 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Hilton Head Island,
                SC Beaufort Co. United States | Mathews Dr. / Marshland Rd. (32.20565, -80.70225) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 29.3065 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Greenwood,
                IN Johnson Co. United States | Main St. / Averitt Rd. (39.61340, -86.12074) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 31.2823 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Marvin,
                NC Union Co. United States | New Town Rd. / Waxhaw-Marvin Rd. (34.99148, -80.81509) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.1375 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Marvin,
                NC Union Co. United States | New Town Rd. / Marvin School Rd. (34.99180, -80.81312) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 29.3530 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Lincoln,
                NE Lancaster Co. United States | S Coddington Ave. / W Van Dorn St. (40.78450, -96.74937) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 125.6993 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Steamboat Springs,
                CO Routt Co. United States | Mt Werner Cir. / Ski Time Square Dr. (40.45888, -106.80633) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 25.4445 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Sugar House,
                UT Salt Lake Co. United States | 2300 E / E Vimont Ave. / E Heritage Way / I-80 Ramps (40.71212, -111.82390) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.4542 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Part of system with two mini-roundabouts. Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. | 
| Canyon Rim,
                UT Salt Lake Co. United States | Heritage Way / Claybourne Ave. (40.71132, -111.82322) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 15.3902 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2017 | Year Completed estimated (2016-2017). ICD estimated from Google Maps linework. | 
| Richmond Township,
                PA Berks Co. United States | Kutztown Rd. (US 222) / Moselem Springs Rd. (PA 662) (40.48551, -75.83896) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 55.4106 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Forsyth,
                MO Taney Co. United States | US 160 (Korean War Veterans Hwy.) / SR 76 (36.68507, -93.10040) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2018 | |
| Upper Lake,
                CA Lake Co. United States | SR 20 / SR 29 (39.16333, -122.92095) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.1148 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Pauma Valley,
                CA San Diego Co. United States | SR 76 / Valley Center Rd. / (parking lot) (33.28828, -116.95813) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.9411 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Hales Corners,
                WI Milwaukee Co. United States | STH 24 (W Forest Home Ave.-Janesville Rd.) / W Forest Home Ave. (42.93732, -88.04641) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 48.0902 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Mount Vernon,
                WA Skagit Co. United States | SR 9 / Old Day Creek Rd. / Francis Rd. (48.46779, -122.23666) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2018 | |
| Lynnwood,
                WA Snohomish Co. United States | Filbert Rd. / Larch Way (47.82594, -122.25342) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 22.4519 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Lynnwood,
                WA Snohomish Co. United States | Filbert Rd. / Locust Way / Magnolia Rd. (47.82528, -122.25500) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.2541 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | Boulevard Rd. / Morse-Merryman Rd. SE (47.01817, -122.86518) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 38.2699 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Red Lodge,
                MT Carbon Co. United States | US 212 (Broadway Ave.) / 3rd St. (45.19487, -109.24681) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.3987 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| South Point,
                OH Lawrence Co. United States | Solida Rd. / US 52 WB Ramps / Collins Ave. (38.42360, -82.57472) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 47.7198 | Freeway Ramps (Grade-Separated) Single-Lane | 2019 | ICD estimated from Google Maps linework. | 
| Sycamore Township,
                OH Hamilton Co. United States | Plainfield Rd. / Sycamore Rd. (39.21534, -84.39192) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 37.9388 | Other (At-Grade) Single-Lane | 2019 | ICD estimated from Google Maps linework. | 
| New Iberia,
                LA Iberia Par. United States | Belle Place Olivier Rd. (LA 320) / Loreauville Rd. (LA 86) (30.00947, -91.74349) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2017 | |
| Freestate/North Highlands,
                LA Caddo Par. United States | LA 538 (Old Mooringsport Rd.) / LA 538 (Ravendale Dr.) / Ravendale Dr. (32.56010, -93.77650) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 63.4166 | Other (At-Grade) Single-Lane | 2016 | Replaced large triangular intersection that had 2 stop signs and one yield sign. ICD estimated from Google Maps linework. | 
| Milton Keynes,
                England Buckinghamshire United Kingdom | Fishermead Roundabout (Marlborough St. / Chaffron Way) (52.03576, -0.73591) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 49.2259 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | Eaglestone Roundabout (Saxon St. / Chaffron Way) (52.03140, -0.74564) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 47.0263 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | North Grafton Roundabout (Portway / Grafton Gate) (52.03998, -0.77478) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 101.3810 | Other (At-Grade) Multilane (3+ Lane) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | Portway / A5 Ramps (52.03735, -0.78203) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 123.4277 | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | ICD estimated from Google Maps linework. | |
| Grande Prairie,
                AB Alberta Canada | Hwy 43X / Range Road 63 (116th Ave.) (55.22947, -118.84621) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 49.0403 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | ICD estimated from Google Maps linework. | 
| Peace River,
                AB Alberta Canada | 96 Ave. / 100 St. / AB Hwy 744 (56.23733, -117.29013) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways 45.7990 | Other (At-Grade) Single-Lane | 2008 | ICD estimated from Google Maps linework. | 
| Bonnyville No 87,
                AB Alberta Canada | AB Hwy 55 / AB Hwy 892 (54.45699, -110.48469) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 43.0454 | Other (At-Grade) Single-Lane | 2012 | ICD estimated from Google Maps linework. | 
| Spruce Grove,
                AB Alberta Canada | McLeod Ave. / Nelson Dr. (53.54319, -113.92259) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.0651 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2016 | ICD estimated from Google Maps linework. | 
| Red Deer ,
                AB Alberta Canada | Leva Ave. / Lantern St. (52.21072, -113.81631) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 46.8375 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2013 | ICD estimated from Google Maps linework. | 
| Red Deer County,
                AB Alberta Canada | Lantern St. / Laura Ave. (52.21044, -113.82594) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.1283 | Other (At-Grade) Single-Lane | 2017 | ICD estimated from Google Maps linework. | 
| Lower Rattlesnake,
                MT Missoula Co. United States | N Van Buren St. / I-90 WB Ramps (46.87078, -113.98082) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.7424 | Freeway Ramps (Grade-Separated) Unknown | 2018 | Completed summer 2018. ICD estimated from Google Maps linework. | 
| Milton Keynes,
                England Buckinghamshire United Kingdom | South Grafton Roundabout (Graffton Gate / Childs Way) (52.03227, -0.76605) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 58.0470 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | South Witan Roundabout (Childs Way / Witan Gate / Evans Gate) (52.03461, -0.76057) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 48.4924 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | South Saxon Roundabout (Childs Way / Saxon Gate / Saxon St.) (52.03694, -0.75517) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 49.9593 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | South Secklow Roundabout (Childs Way / Secklow Gate / Pentewan Gate) (52.03928, -0.74977) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 47.7527 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | Springfield Roundabout (Childs Way / Marlborough St.) (52.04168, -0.74451) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.4232 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | South Enmore Roundabout (Childs Way / Enmore Gate / Kenwood Gate) (52.04346, -0.73925) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.5445 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | South Overgate Roundabout (Childs Way / Overgate) (52.04492, -0.73450) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 44.0738 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | Woolstone Roundabout (Childs Way / Brickhill St.) (52.04711, -0.72361) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 57.2932 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                England Buckinghamshire United Kingdom | Fox Milne Roundabout (Childs Way / Tongwell St.) (52.04865, -0.70746) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 54.3532 | Other (At-Grade) Multilane (3+ Lane) | ICD estimated from Google Maps linework. | |
| Milton Keynes,
                england Buckinghamshire United Kingdom | Northfield Roundabout (Chidls Way / Portway / A5130) (52.05445, -0.70227) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 71.2375 | Other (At-Grade) Multilane (3+ Lane) | ICD estimated from Google Maps linework. |