| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Tempe,
                AZ Maricopa Co. United States | W 10th St. / S Wilson St. (33.41940, -111.94577) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Federal Way,
                WA King Co. United States | SR 509 (SW Dash Point Rd.) / 47th Ave. SW (47.32161, -122.39253) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 2022 | |
| Federal Way,
                WA King Co. United States | S 300th St. / 24th Pl. S / (parking) (47.33323, -122.30213) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.8120 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Painted splitter islands. Year Completed estimated (2020-2021). | 
| Federal Way,
                WA King Co. United States | S 300th St. / 26th Ave. S / (parking) (47.33321, -122.30053) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 19.8120 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Painted splitter islands. Year Completed estimated (2020-2021). | 
| North Utica,
                IL La Salle Co. United States | US 6 / SR 178 (41.36088, -89.01022) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.shawlocal.com/news-tribune/2023/04/20/utica-roundabout-is-functional-and-open/ | 
| Sherwood Park,
                AB Division 11 Canada | Broadway Blvd. / Broadview Dr. (53.54390, -113.31382) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2021-2023). | 
| Carmel,
                IN Hamilton Co. United States | W 111th St. / Spring Mill Ln. / Slade Ave, (39.94893, -86.16236) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Opened August 25, 2023. https://content.govdelivery.com/accounts/INCARMEL/bulletins/367b416#:~:text=111TH%20STREET%20AND%20SPRING%20MILL%20ROAD%20ROUNDABOUT | 
| (unincorporated),
                PA Westmoreland Co. United States | Waltz Mill Rd. / I-70 EB Ramps (40.21090, -79.66617) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | Raindrop shaped. Year Completed estimated (2021-2023). | 
| Fort Worth,
                TX Tarrant Co. United States | Las Vegas Trl. / N Normandale St. / S Normandale St. (32.72946, -97.46704) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Replaced complex channelized intersection with multiple stopping points for some movements. Add-lane right-turn bypass lane on southeast leg. | 
| Edina,
                MN Hennepin Co. United States | Eden Ave. / Arcadia Ave. / Normandale Rd. (STH 100 Frontage Rd.) (44.90952, -93.35224) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | Year Completed estimated (2022-2023). | 
| Claremont,
                MN Dodge Co. United States | CR 3 (130th Ave.) / US 14 EB Ramps (44.03664, -92.98574) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Raindrop shaped. Year Completed estimated (2021-2023). https://www.dot.state.mn.us/d6/projects/hwy14/index.html. | 
| Claremont,
                MN Dodge Co. United States | CR 3 (130th Ave.) / US 14 WB Ramps (44.03834, -92.98577) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2022 | Raindrop shaped. Year Completed estimated (2021-2023). https://www.dot.state.mn.us/d6/projects/hwy14/index.html. | 
| Lake Stevens,
                WA Snohomish Co. United States | Vernon Rd. / 91st Ave. SE (48.00354, -122.10817) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2022 | Peanut shaped. ICD = 80 ft for each node, 185 ft for overall length. No deflection on north and south legs prior to entry. https://www.reddit.com/r/Suburbanhell/comments/y403wy/a_new_peanut_shaped_roundabout_my_city_just/?rdt=48505 | 
| Lake Stevens,
                WA Snohomish Co. United States | SR 9 / Vernon Rd. (48.00461, -122.10670) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | https://www.youtube.com/watch?v=5RRqjCCJjRc | 
| Lake Stevens,
                WA Snohomish Co. United States | SR 9 / SR 204 (Snohomish Marysville Rd.) / 7th Pl. NE (48.00286, -122.10637) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | https://www.youtube.com/watch?v=5RRqjCCJjRc | 
| West Linn,
                OR Clackamas Co. United States | OR 43 (Willamette Dr.) / I-205 NB Ramps (45.36158, -122.60954) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2023 | https://www.westlinntidings.com/news/new-i-205-roundabout-opens-at-highway-43-in-west-linn/article_27714680-46ce-11ee-a8d4-db795c337eb4.html (image at https://www.flickr.com/photos/oregondot/ ) | 
| Columbia,
                MO Boone Co. United States | Tiger Ave. / Hospital Dr. / (parking) (38.93766, -92.33084) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.columbiamissourian.com/news/higher_education/roundabout-at-tiger-avenue-and-hospital-drive-opens-to-drivers/article_fc81909a-2d89-11ee-ad36-cbd098b5227c.html | 
| Tahlequah,
                OK Cherokee Co. United States | US 62 (S Muskogee Ave.) / SR 82 (35.85803, -94.97950) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2023 | https://www.youtube.com/watch?v=19jDgEMjwKg. | 
| North Mankato,
                MN Nicollet Co. United States | Lor Ray Dr. / Howard Dr. W (44.18426, -94.03787) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.keyc.com/video/2023/09/01/lor-ray-howard-drive-roundabout-opens/ | 
| Molalla,
                OR Clackamas Co. United States | OR 213 / S Toliver Rd. (45.15589, -122.60386) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=oZVwSmmg41c | 
| Albuquerque,
                NM Bernalillo Co. United States | Ventura St. NE / Holly Ave. NE (35.17567, -106.54231) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Fishhook lane use arrow pavement markings for all legs, including single-lane legs. Image here: https://www.facebook.com/krqenews/posts/618179123689897/. Article here: https://www.krqe.com/traffic-roads/northeast-albuquerque-roundabout-sparks-some-driver-confusion/. | 
| Midland,
                MI Midland Co. United States | N Waldo Rd. / E Monroe Rd. (43.68353, -84.18736) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | Opened September 1, 2023. https://www.ourmidland.com/news/article/waldo-monroe-roundabout-open-traffic-sept-1-18308702.php | 
| Bryson City,
                NC Swain Co. United States | Hyatt Creek Rd. / Walker Woody Rd. / Old Bryson City Rd. (35.43440, -83.39845) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | https://thesouthernscoopnews.com/latest-news/ncdot-installs-mini-roundabout-in-swain-county | 
| Franklin,
                NC Macon Co. United States | Wells Grove Rd. / Clarks Chapel Rd. / Bellview Rd. (35.16401, -83.36038) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.8600 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Painted and delineated splitter islands. https://thesouthernscoopnews.com/latest-news/franklin-gets-new-roundabout-to-ease-traffic-at-intersection. | 
| Fond du Lac,
                WI Fond Du Lac Co. United States | STH 23 (E Johnson St.) / Wisconsin American Dr. (43.78386, -88.39646) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 62.4840 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Year Completed estimated (2021-2022). Temporary bypass road on north side for construction staging in 2021. | 
| Fairfield,
                IA Jefferson Co. United States | SR 1 (S Main St.) / Libertyville Rd. / S Junction Rd. (40.98829, -91.96307) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?app=desktop&v=Mabi9suTVMA | 
| Irondale,
                AL Jefferson Co. United States | Grants Mill Rd. / Old Leeds Rd. / Karl Daly Rd. (33.53524, -86.67353) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://www.youtube.com/watch?v=idyfwu96hcM | 
| Miami,
                FL Miami-Dade Co. United States | SR 972 (SW 3rd Ave.-SW 13th St.) / SW 3rd Ave. / Broadway (SW 15 Rd.) (25.76158, -80.19918) | Roundabout Existing | All-Way Yield Pedestrian Signal (red-yellow-green to drivers) | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | Add-lane right-turn bypass lane on southwest leg. Pedestrian signals (red-yellow-green) for 3 of the approaches. https://www.youtube.com/watch?v=tpUJl5s5mfk. | 
| Old Salford Township,
                PA Montgomery United States | Old Skippack Rd. / Schwenksville Rd. / Shelly Rd. (40.29058, -75.42686) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2023 | The roundabout was installed as part of the Districtwide roundabout program (PennDOT Engineering District 6-0) which was started to address intersection safety in the District. https://www.penndot.pa.gov/regionaloffices/district-6/pages/details.aspx?newsid=8481 | 
| McKinney,
                TX Collin Co. United States | Millwall Dr. / Old Shore Dr. (33.22346, -96.69307) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 18.2789 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2016 | Painted splitter islands. | 
| Owatonna,
                MN Steele Co. United States | NW 26th St. / State Ave. / I-35 Frontage Rd. (44.10975, -93.24227) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2021 | Elliptical shape. ICD = 160 ft x 150 ft. https://content.govdelivery.com/accounts/MNSTEELE/bulletins/2f579d5 | 
| Park City,
                KS Sedgwick Co. United States | 61st St. N / N Broadway Ave. (37.79589, -97.33600) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | https://www.parkcityks.gov/CivicAlerts.aspx?AID=637&ARC=1057 | 
| Quincy,
                WA Grant Co. United States | SR 28 / White Trail Rd. (47.23275, -119.93936) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://kpq.com/opening-of-roundabout-at-sr-28-white-trail-road-delayed-again/ | 
| West Kelowna,
                BC Central Okanagan Canada | Bartley Rd. / Shannon Lake Rd. / Stevens Rd. (49.86466, -119.58788) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 40.0000 | Other (At-Grade) Single-Lane | 2022 | Previous control type: 3-way stop (south leg uncontrolled). https://www.ourwk.ca/shannon-lake-roundabout | 
| Waynesville,
                NC Haywood Co. United States | N Main St. / Walnut St. / Vance St. (35.49717, -82.97998) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | https://www.themountaineer.com/news/waynesville-roundabout-construction-to-begin-soon/article_ff66af84-b49f-11ec-8766-7fd2ce57481b.html | |
| Wenatchee,
                WA Chelan Co. United States | US 2-US 97 / US 2-US 97 Ramps / Easy St. (47.46942, -120.33556) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2023 | https://www.yoursourceone.com/columbia_basin/us-2-97-and-easy-street-roundabout-in-wenatchee-to-open-this-weekend/article_0804b578-1764-11ee-82ea-bb1c1c03b812.html | 
| Linden,
                NC Harnett Co. United States | US 141 / Josey Williams Rd. / Horseshoe Bend Rd. (35.26793, -78.77400) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.mydailyrecord.com/news/horseshoe-bend-road-reopens-with-roundabout/article_4f1c1054-3abf-11ee-88bb-9f6ae07cb830.html | 
| Saratoga Springs,
                UT Utah Co. United States | Pony Express Pkwy. / Riverside Dr. (40.36205, -111.91116) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8640 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2016 | Constructed initially as single-lane roundabout with stubbed east and west legs. Expanded to 2x1 multilane in 2022 with connection of east and west legs. Year Completed estimated (2015-2016). | 
| Pinebrook,
                UT Summit Co. United States | Kilby Rd. / (parking) (40.74010, -111.56068) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2018 | Serves Ecker Hill International Middle School. | 
| Pinebrook,
                UT Summit Co. United States | Kilby Rd. / (parking) (40.73918, -111.56018) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9560 | Other (At-Grade) Single-Lane | 2018 | Serves Ecker Hill International Middle School. East leg added with roundaobut. | 
| Port Orchard,
                WA Kitsap Co. United States | SW Old Clifton Rd. / Campus Pkwy. / McCormick Village Dr. (47.50505, -122.69904) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2021-2022). | 
| Oxford,
                MS Lafayette Co. United States | SR 30 / SR 7 SB Ramps (34.38488, -89.49810) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | 2022 | Raindrop shaped. Series of three roundabouts. | 
| Oxford,
                MS Lafayette Co. United States | SR 30 / Park Dr. (34.38524, -89.49947) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Series of three roundabouts. | 
| Oxford,
                MS Lafayette Co. United States | SR 30 / Ferndale Blvd. (34.38595, -89.50223) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Series of three roundabouts. | 
| Holly Springs,
                MS Marshall Co. United States | SR 4 (Holly Springs Bypass - E Eddie Lee Smith Dr.) / SR 7 (34.79574, -89.44691) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2022 | |
| Slayden,
                MS Benton Co. United States | US 72 / SR 7 (34.94637, -89.29731) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://www.bidnetdirect.com/mississippi/solicitations/open-bids/statewide/Construction-of-a-Roundabout-on-US-72-at-SR-7/22676924418 | 
| Lacey,
                WA Thurston Co. United States | Mullen Rd. SE / Carpenter Rd. SE (47.00464, -122.77990) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2021 | Year Completed estimated (2021-2022). | 
| Kalamazoo,
                MI Kalamazoo Co. United States | Parkview Ave. / S 11th St. (42.25981, -85.65816) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | https://www.mlive.com/news/kalamazoo/2023/08/2-new-roundabouts-opening-friday-in-kalamazoo-county.html | 
| Kalamazoo,
                MI Kalamazoo Co. United States | Parkview Ave. / S 12th St. (42.25979, -85.65421) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.mlive.com/news/kalamazoo/2023/08/2-new-roundabouts-opening-friday-in-kalamazoo-county.html | 
| Sturgis,
                MI St. Joseph Co. United States | E Lafayette Rd. / N Franks Ave. (41.81055, -85.39875) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.sturgisjournal.com/story/news/local/2023/07/14/sturgis-roundabout-open/70413258007/ | 
| Lihue,
                HI Kauai Co. United States | Hardy St. / Umi St. (21.97617, -159.36577) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | Located at Wilcox Elementary School. | 
| Lihue,
                HI Kauai Co. United States | Nuhou St. / Kaneka St. (21.96696, -159.38690) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 37.7952 | Other (At-Grade) Single-Lane | 2015 | The fourth (north) approach is a private street, added in 2023. | 
| Eleele,
                HI Kauai Co. United States | Mahea Rd. / Iluna St. (21.90800, -159.57802) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 20.4216 | Other (At-Grade) Single-Lane | 2017 | Large trucks may need to turn in front of the central island. | 
| Kapaa,
                HI Kauai Co. United States | Kawaihau Rd. / Mailihuna Rd. / Hauaala Rd. (22.09189, -159.31598) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | Peanut shaped. Connects what was previously two intersections. | 
| Greenwood,
                IN Johnson Co. United States | W Smith Valley Rd. / Mullinix Rd. (39.60483, -86.21647) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2023 | https://uploads.knightlab.com/storymapjs/a054ad9d809a2e94199b7216d217fa6d/i-69-finish-line-construction-overview-johnson-county-v-0-4/index.html | 
| Greenwood,
                IN Johnson Co. United States | W Smith Valley Rd. / I-69 NB Ramps (39.60476, -86.21867) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2023 | https://uploads.knightlab.com/storymapjs/a054ad9d809a2e94199b7216d217fa6d/i-69-finish-line-construction-overview-johnson-county-v-0-4/index.html | 
| Greenwood,
                IN Johnson Co. United States | W Smith Valley Rd. / I-69 SB Ramps (39.60480, -86.22082) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2023 | https://uploads.knightlab.com/storymapjs/a054ad9d809a2e94199b7216d217fa6d/i-69-finish-line-construction-overview-johnson-county-v-0-4/index.html | 
| Sylvan Lake,
                AB Division 8 Canada | Crestview Blvd. / (unknown) (52.29241, -114.09186) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 24.0000 | Other (At-Grade) Single-Lane | 2022 | No splitter islands. | 
| Hardy,
                VA Franklin Co. United States | Booker T Washington Hwy. (SR 122) / Hardy Rd. (SR 636) (37.12765, -79.75102) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2021 | https://www.virginiadot.org/newsroom/salem/2021/traffic-alert-roundabout-at-route-122-and-hardy-road-in-franklin-county-to-open-to-traffic9-20-2021.asp | 
| (unincorporated),
                ON Simcoe Canada | CR 14 / Bayberry Dr. (44.02934, -79.85396) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | 2023 | |
| Arcadia,
                IN Hamilton Co. United States | E 236th St. / US 31 SB Ramps (40.13069, -86.12917) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | https://www.in.gov/indot/about-indot/central-office/welcome-to-the-greenfield-district/interchange-project-at-us-31-and-236th-street/ | 
| Cicero,
                IN Hamilton Co. United States | Northbound Ramps / E 236th St. / US 31 NB Ramps (40.13083, -86.12698) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2023 | https://www.in.gov/indot/about-indot/central-office/welcome-to-the-greenfield-district/interchange-project-at-us-31-and-236th-street/ | 
| Valdosta,
                GA Lowndes Co. United States | Kinderlou Forest / Island Creek Rd. (30.80303, -83.38523) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | Year Completed estimated (1999-2005). | 
| Valdosta,
                GA Lowndes Co. United States | Kinderlou Forest / Bear Lake Rd. (30.80957, -83.38506) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2003 | Year Completed estimated (1999-2005). | 
| Port St Lucie,
                FL St. Lucie Co. United States | SE Southbend Blvd. / SE Floresta Dr / SE Oaklyn St. / SE Oakridge Dr. (27.26465, -80.33591) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | Painted splitter island on north leg. Painted spirals in circulatory roadway. Merging right-turn bypass lane for south-to-east movement. Merging lane on south exit fed from shared left-through-right lane. Year Completed estimated (2012-2014). | |
| Port St Lucie,
                FL St. Lucie Co. United States | SE Floresta Dr. / SE Thanksgiving Ave. (27.27564, -80.33197) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2022 | https://www.cityofpsl.com/government/departments/public-works/projects/floresta-drive-improvement-project (picture in the Phase I Photos). | 
| Georgetown,
                DE Sussex Co. United States | S Bedford St. / Arrow Safety Rd. (38.67394, -75.37738) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | There's a short video of a truck going around this roundabout posted on Sept 1 at https://www.facebook.com/delawaredot/ This roundabout currently has three legs, but a fourth will be added some time in the future. | 
| Gaines Township,
                MI Kent Co. United States | 84th St. SE / Kalamazoo Ave. SE (42.81188, -85.62476) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.mlive.com/news/grand-rapids/2023/08/roundabout-the-first-of-its-kind-in-kent-county-opens-ahead-of-schedule.html. | 
| Saginaw,
                MI Saginaw Co. United States | Pierce Rd. / S Entrance Dr. (43.50866, -83.96070) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2012 | Entrance to Saginaw Valley State University. Year Completed estimated (2011-2014). | 
| Moultrie,
                GA Colquitt Co. United States | 5th Ave. SE / 2nd St. SE (31.17477, -83.78641) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2023 | https://www.walb.com/2023/08/28/moultrie-adds-new-roundabout-help-reduce-injuries/ | 
| Orange City,
                IA Sioux Co. United States | SR 10 (8th St. SE) / Jay Ave. (42.99743, -96.03708) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=ZFEW-ApSdqQ | 
| Summerville,
                SC Berkeley Co. United States | Cane Bay Blvd. / Nexton Pkwy. (33.11110, -80.12334) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 3 Approaches 0 Driveways 60.9600 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2007 | Y-intersection. Two circulating lanes throughout even though only one double-left movement. Year Completed estimated (2006-2007). Initially constructed with northeast and south legs only. West leg added 2021. https://www.youtube.com/watch?v=lgJ15GyjQv0. | 
| Summerville,
                SC Berkeley Co. United States | Lindera Preserve Blvd. / Whispering Breeze Ln. / Beautyberry Rd. (33.12670, -80.11247) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2015 | |
| Summerville,
                SC Berkeley Co. United States | Cane Bay Blvd. / Fair Winds Blvd. (33.14374, -80.10819) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 60.9600 | Other (At-Grade) Single-Lane | 2020 | Constructed as multilane rotary in 2017 with lane change required to exit from east to south. West leg added 2018. Converted to single-lane roundabout in 2019-2020 with some striping glitches remaining. | 
| Lake Eastbrook,
                MI Kent Co. United States | Lake Eastbrook Blvd. SE / Sparks Dr. SE (42.91585, -85.57470) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 35.0520 | Other (At-Grade) Single-Lane | 2022 | |
| Creston,
                MI Kent Co. United States | Monroe Ave. NW / Knapp St. NE / Riverside Park Dr. NE (42.99924, -85.67037) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 2014 | https://www.mlive.com/news/grand-rapids/2013/06/4_roundabouts_cycle_track_plan.html | 
| Byron Center,
                MI Kent Co. United States | 84th St. SE / Kalamazoo Ave. SE (42.81191, -85.62478) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.mlive.com/news/grand-rapids/2023/08/roundabout-the-first-of-its-kind-in-kent-county-opens-ahead-of-schedule.html | 
| Bellwood Estates,
                MI Oakland Co. United States | Bell Rd. / Coventry Woods Ln. (42.49306, -83.27073) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.3944 | Other (At-Grade) Single-Lane | 2017 | Circulating edge line extensions across exits. | 
| Beverly Hills,
                MI Oakland Co. United States | Greenfield Rd. / Normandy Rd. / Beverly Rd. (42.52471, -83.20409) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4320 | Other (At-Grade) Single-Lane | 2023 | Opened August 26, 2023. https://www.rcocweb.org/655/GreenfieldNormandy-Beverly-Roundabout-CO | 
| White Lake,
                MI Oakland Co. United States | Elizabeth Lake Rd. / Oxbow Lake Rd. (42.64128, -83.48775) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.rcocweb.org/619/Elizabeth-Lake-Road-Roundabouts-White-La | 
| White Lake,
                MI Oakland Co. United States | Elizabeth Lake Rd. / Teggerdine Rd. (42.64243, -83.49436) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://www.rcocweb.org/619/Elizabeth-Lake-Road-Roundabouts-White-La | 
| Kathleen,
                GA Houston Co. United States | US 129-GA 247 / GA 247 Spur (32.46633, -83.61616) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Replaced complex channelized set of intersections. https://www.youtube.com/watch?v=ktmvs4pKAdU. | 
| Kihei,
                HI Maui Co. United States | SR 31 (Piilani Hwy.) / Kulanihakoi St. (20.76193, -156.44992) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2022 | Yield-controlled right-turn bypass lanes on north and south legs; merging right-turn bypass lane on west leg. Raised crosswalks on right-turn bypass lanes. https://www.youtube.com/watch?v=CD8W-p-qjhc | 
| Orange Beach,
                AL Baldwin Co. United States | Canal Rd. / (parking) (30.29209, -87.57667) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=OxgEB2iOzH4 | 
| Armington,
                MT Cascade Co. United States | US 87-SR 200 / US 89 / (parking) (47.34909, -110.89673) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2022-2023). https://www.youtube.com/watch?v=7jSH18jbyKc | 
| Wasioja Township,
                MN Dodge Co. United States | STH 56 / US 14 EB Ramps (44.03323, -92.91556) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2021 | Raindrop shaped. https://www.dot.state.mn.us/d6/projects/hwy14/index.html | 
| Wasioja Township,
                MN Dodge Co. United States | STH 56 / US 14 WB Ramps (44.03463, -92.91491) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2021 | Raindrop shaped. https://www.dot.state.mn.us/d6/projects/hwy14/index.html | 
| Hilliard,
                OH Franklin Co. United States | Cosgray Rd. / Woodsview Way (40.04172, -83.17984) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | |
| Glendale,
                AZ Maricopa Co. United States | N 87th Ave. / W Montebello Ave. / (parking) (33.51695, -112.24749) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2019 | New city collector street, private developer funded. | 
| Glendale,
                AZ Maricopa Co. United States | W Luke Ave. / N 89th Ave. (33.51770, -112.25141) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2021 | Single lane, fully mountable central island, mini-roundabout with a 17' wide circulating lane. | 
| Glendale,
                AZ Maricopa Co. United States | W Montebello Ave. / N 89th Ave. (33.51876, -112.25064) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2023 | Single lane roundabout with 18' wide circulating lane on a new city collector street. Developer funded. | 
| Glendale,
                AZ Maricopa Co. United States | N 89th Ave. / W Vermont Ave. (33.51450, -112.25158) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4317 | Other (At-Grade) Single-Lane | 2023 | |
| Glendale,
                AZ Maricopa Co. United States | (Glendale Heroes Regional Park road) / (parking) (33.52526, -112.23376) | Other Existing | Other None | 3 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2022 | 18' wide circulating lane, including bike lane. No splitter islands other than painted areas flush to the pavement surface. One approach has no yield control. | 
| Desert Sunset,
                AZ Maricopa Co. United States | (Glendale Heroes Regional Park road) / (parking) (33.52624, -112.23562) | Other Existing | Uncontrolled None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2008 | No truck apron or splitter islands other than painted pavement. No yield control on entry or circulating. | 
| Desert View,
                AZ Maricopa Co. United States | E Lone Cactus Dr. / N Aviano Way (33.68254, -111.99673) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 48.7680 | Other (At-Grade) Single-Lane | 2007 | 30 foot wide single, circulating lane and absent of a truck apron. Year Completed estimated (2006-2007). | 
| Desert View,
                AZ Maricopa Co. United States | E Marriott Dr. / (parking) (33.68131, -111.96826) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.4904 | Other (At-Grade) Single-Lane | 2003 | Constructed initially as double-lane roundabout with unstriped circulatory roadway. Converted to single-lane 2011-2012 by striped out inside circulating lane. | 
| Desert View,
                AZ Maricopa Co. United States | E Marriott Dr. / E Pathfinder Dr. (33.68448, -111.97050) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.4904 | Other (At-Grade) Single-Lane | 2002 | Striped truck apron. Year Completed estimated (2002-2003). | 
| North Scottsdale,
                AZ Maricopa Co. United States | E Silverstone Dr. / N 74th St. (33.69438, -111.92100) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2007-2009). | 
| East Chicago,
                IN Lake Co. United States | E 129th St. / Dickey Rd. / Hembroff St. / Broad St. (41.66094, -87.46708) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 39.6240 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2023 | https://www.nwitimes.com/news/local/lake/east-chicago/east-chicago-finishing-up-dickey-road-roundabout-moving-forward-with-3-5-million-streetscape-improvement/article_71ab472c-adff-52aa-b47c-b5c2b166826a.html | 
| San Tan Valley,
                AZ Pinal Co. United States | Whitewing Blvd. / W Sterling St. (33.13194, -111.57163) | Other Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2017 | No splitter islands on east and west legs. |