| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Langley City,
                BC Greater Vancouver Canada | 203 St. / 53 Ave. (49.09847, -122.65987) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.8060 | Other (At-Grade) Single-Lane | 2016 | https://www.langleyadvancetimes.com/news/langley-citys-first-roundabout-opens/ ICD estimated from Google Maps linework. | 
| Lakeville,
                MN Dakota Co. United States | 202nd St. W / Holyoke Ave. (44.65608, -93.24283) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2019 | Year Completed estimated (2018-2019). | 
| Langley,
                BC Greater Vancouver Canada | 202 St. / Trans-Canada Hwy HOV Ramps (49.16182, -122.66008) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.9920 | Freeway Ramps (Grade-Separated) Single-Lane | 2011 | Roundabout in between and below freeway lanes, serving HOV lanes via left-hand ramps on the freeway. Fourth leg (EB onramp and WB offramp) closed off. Year Completed estimated (2008-2013). ICD estimated from Google Maps linework. | 
| Syracuse,
                UT Davis Co. United States | 2019 W 1900 S (41.08617, -112.06344) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 13.5029 | Other (At-Grade) Single-Lane | 2006 | Painted splitter islands with crosswalks that extend through the islands without a break in the painted islands. Year Completed estimated (2005-2008). ICD estimated from Google Maps linework. | 
| Lynnwood,
                WA Snohomish Co. United States | 200th St. SW / (unknown) (47.81664, -122.32998) | Other Existing | Uncontrolled Unknown | 2 Approaches 1 Driveways 27.4317 | Other (At-Grade) Single-Lane | ||
| Orem,
                UT Utah Co. United States | 2000 South / Sandhill Rd. (40.26074, -111.70420) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.7220 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| Provo,
                UT Utah Co. United States | 200 West (Freedom Blvd.) / 920 South (40.22177, -111.66230) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.5341 | Other (At-Grade) Single-Lane | 2000 | ICD estimated from Google Maps linework. | 
| High River,
                AB Division 6 Canada | 20 St. NE / Hampton Hill Dr. / 2 Ave. NE (50.58505, -113.83614) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://highriver.ca/community/town-services/engineering-design-major-projects/hamptons-bypass-project | 
| Surrey,
                BC Greater Vancouver Canada | 20 Ave. / Rotary Way / (parking lot) (49.03845, -122.81781) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 28.9690 | Other (At-Grade) Single-Lane | 2006 | ICD estimated from Google Maps linework. | 
| High River,
                AB Division 6 Canada | 2 Ave. SE / Hamptons Blvd. / Sunshine Trl. (50.58111, -113.84114) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2023 | https://highriveronline.com/articles/high-rivers-hamptons-south-roundabout-set-to-open-sunday | 
| Medicine Hat,
                AB Division 1 Canada | 2 Ave. SE / 8 St. SE (50.03145, -110.68217) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2024 | https://medicinehatnews.com/news/local-news/2024/10/04/hurry-before-the-snow-city-road-construction-nears-finish-line-as-fall-weather-arrives/ | 
| Perm,
                Perm Perm Russia | 1-ya Mulyanskaua ulitsa / Ocherskaya ulitsa / Tramvaynaya ulitsa / ulitsa Krasina (58.00034, 56.13293) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | ||
| Rostov,
                Rostov Rostov-on-Don Russia | 1-ya Lugovaya ulitsa / Vsesoyuznaya ulitsa Ramps (47.17377, 39.63932) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| St Petersburg,
                FL Pinellas County United States | 1st St. N / 30th Ave. NE (27.79940, -82.63444) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-lane w/ Traversable Central Island | ||
| Napa,
                CA Napa Co. United States | 1st St. / SR 29 NB Ramps (38.29884, -122.30117) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 31.8681 | Freeway Ramps (Grade-Separated) Unknown | 2020 | Completed April 2020. ICD estimated from Google Maps linework. | 
| Berthoud,
                CO Larimer Co. United States | 1st St. / Mountain Ave. / CR 8-CR 56 (40.30540, -105.07433) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 33.6997 | Other (At-Grade) Single-Lane | 2010 | Year Completed estimated (2008-2011). ICD estimated from Google Maps linework. | 
| Napa,
                CA Napa Co. United States | 1st St. / California Blvd. (38.29823, -122.30024) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.3668 | Other (At-Grade) Unknown | 2020 | Completed April 2020. ICD estimated from Google Maps linework. | 
| Manistee,
                MI Manistee Co. United States | 1st St. / Beach Rd. (44.24639, -86.34069) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 49.0728 | Other (At-Grade) Single-Lane | 2014 | |
| Idaho Falls,
                ID Bonneville Co. United States | 1st St. / 45th St. E (Crowley Rd.) (43.49621, -111.94440) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 54.8637 | Other (At-Grade) Single-Lane | 2020 | Designed to be expandable inward to dual lanes in the future. | 
| Fort Riley,
                KS Riley Co. United States | 1st Division Rd. / Trooper Dr. (39.10684, -96.79804) | Rotary Existing | Uncontrolled Unknown | 4 Approaches 0 Driveways 76.2000 | Other (At-Grade) Single-Lane | ||
| Fort Dodge,
                IA Webster Co. United States | 1st Ave. S / S 12th St. (42.50480, -94.18270) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 25.5340 | Other (At-Grade) Single-Lane | 2016 | https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework. | 
| St James,
                MN Watonwan Co. United States | 1st Ave. S / Armstrong Blvd. N (43.98198, -94.62838) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 13.7502 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2017 | ICD estimated from Google Maps linework. | 
| St James,
                MN Watonwan Co. United States | 1st Ave. S / 7th St. S (43.98246, -94.62703) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 11.1720 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2017 | ICD estimated from Google Maps linework. | 
| Fort Dodge,
                IA Webster Co. United States | 1st Ave. S / 2nd Ave. S / 6th St. (42.50361, -94.18974) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.7420 | Other (At-Grade) Single-Lane | 2015 | https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework. | 
| Cedar Rapids,
                IA Linn Co. United States | 1st Ave. NW / Wiley Blvd. (41.96746, -91.72573) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.3840 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2022 | |
| Greenwood,
                WA King Co. United States | 1st Ave. NW / NW 83rd St. (47.68911, -122.35799) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 15.2400 | Other (At-Grade) Single-Lane | ||
| Crown Hill,
                WA King Co. United States | 1st Ave. NW / NW 82nd St. (47.68839, -122.35799) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 16.7640 | Other (At-Grade) Single-Lane | ||
| Crown Hill,
                WA King Co. United States | 1st Ave. NW / NW 81st St. (47.68767, -122.35797) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 16.7640 | Other (At-Grade) Single-Lane | ||
| Waverly,
                IA Bremer Co. United States | 1st Ave. NW / 8th St. NW (42.72669, -92.48061) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.2167 | Other (At-Grade) Single-Lane | 2005 | Replaced "T" intersection at entry to Wartburg College school campus. ICD estimated from Google Maps linework. | 
| Altoona,
                IA Polk Co. United States | 1st Ave. N / 9th St. NW / NE 54th Ave. (41.65860, -93.46447) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | 2022 | https://littlevillagemag.com/altoona-1st-avenue-roundabout-woven-lines-sculpture/ | 
| Bradenton,
                FL Manatee Co. United States | 1st Ave. E / (unknown) (27.49736, -82.48657) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 46.3296 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2011 | |
| Ladysmith,
                BC Vancouver Island Regional District Canada | 1st Ave. / Symonds St. (48.99727, -123.82330) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.4258 | Other (At-Grade) Single-Lane | 2000 | First roundabout in British Columbia. Sponsored by ICBC. http://www.sustainability.ca/Docs/Transportation%20Case%20Studies-%20Technical%20Engineering%20Solutions.pdf?CFID=1123696&CFTOKEN=10586703 ICD estimated from Google Maps linework. | 
| Escalon,
                CA San Joaquin Co. United States | 1st Ave. / Riesling Way (37.79437, -121.01140) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 18.8755 | Other (At-Grade) Single-Lane | 2000 | Painted splitter islands. ICD estimated from Google Maps linework. | 
| Coralville,
                IA Johnson Co. United States | 1st Ave. / Holiday Rd. (41.69276, -91.56655) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.8896 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2002 | Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. | 
| Oranjestad, Aruba | 1A (Avenida Nelson O Oduber) / 8B (Avenida Edgar J Watty Vos) / 1A-1B (L G Smith Blvd.) / J E Irausquin Blvd. (12.53233, -70.05375) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, 2x2 max) | Turbo roundabout. | |
| Golden,
                CO Jefferson Co. United States | 19th St. / Elm St. / (college parking) (39.74672, -105.22134) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.6305 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | ICD estimated from Google Maps linework. | 
| Panama City,
                FL Bay Co. United States | 19th St. / Balboa Ave. (30.18251, -85.67456) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.8103 | Other (At-Grade) Single-Lane | 2008 | Previously controlled by one-way stop ICD estimated from Google Maps linework. | 
| Federal Way,
                WA King Co. United States | 19th Ave. SW / SW 353rd Pl. (47.28501, -122.35852) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 21.9456 | Other (At-Grade) Single-Lane | 2020 | |
| Sartell,
                MN Stearns Co. United States | 19th Ave. S / 6th St. S (45.60847, -94.24291) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 46.7881 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. | 
| Issaquah,
                WA King Co. United States | 19th Ave. NW / NW Gilman Blvd. (47.54571, -122.06644) | Other Existing | All-Way Yield None | 3 Approaches 0 Driveways 21.7667 | Other (At-Grade) Single-Lane | 19th Ave legs have painted splitter islands. Completed 2008 or earlier (streetview). ICD estimated from Google Maps linework. | |
| Kennewick,
                WA Benton Co. United States | 19th Ave. / Union St. (46.19220, -119.18040) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.2832 | Other (At-Grade) Single-Lane | 2003 | 1/3 mile from school, primary bus and traffic route for the school, on school walking route, has adult crossing guards. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Bonney Lake,
                WA Pierce Co. United States | 198th Ave. E / Cascadia Blvd. E (47.12299, -122.16688) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.6959 | Other (At-Grade) Single-Lane | 2008 | Fourth (southeast) leg added 2018. ICD estimated from Google Maps linework. | 
| Lithonia,
                GA DeKalb Co. United States | 198 Kensington Circle (33.67998, -84.09974) | Other Existing | Other Unknown | 4 Approaches 0 Driveways 26.8342 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Farmington,
                MN Dakota Co. United States | 195th St. W / Pilot Knob Rd. (44.66692, -93.17661) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.3742 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | ICD estimated from Google Maps linework. | 
| Farmington,
                MN Dakota Co. United States | 195th St. W / Flagstaff Rd. (44.66688, -93.19687) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 37.3742 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Farmington,
                MN Dakota Co. United States | 195th St. W / Akin Rd. (44.66692, -93.17057) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.4283 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Surrey,
                BC Greater Vancouver Canada | 194A St. / 73 Ave. (49.13550, -122.68375) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.0000 | Other (At-Grade) Single-Lane | 2014 | |
| Calgary,
                AB Division 6 Canada | 194 Ave. SE / Wolf Willow Blvd. SE (50.87758, -114.00378) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 45.0000 | Other (At-Grade) Multilane (2 Lane, 2x1 max) | 2019 | Year Completed estimated (2017-2020). | 
| Amerige Heights,
                CA Orange Co. United States | 1919 W Malvern Ave (33.87845, -117.96296) | Other Existing | Other Unknown | 3 Approaches 0 Driveways 26.7721 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Surrey,
                BC Greater Vancouver Regional District Canada | 190 St. / 68 Ave. (49.12626, -122.69620) | Roundabout Existing | Unknown Unknown | 0 Approaches 0 Driveways 26.5731 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Clinton Township,
                MI Macomb Co. United States | 19 Mile Rd. / Romeo Plank Rd. (42.61339, -82.93285) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 37.7950 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | 18th Ave. SE / Hoffman Rd. SE / Ontario St. SE (47.03250, -122.84959) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8175 | Other (At-Grade) Single-Lane | 2010 | Opened October 2010. ICD estimated from Google Maps linework. | 
| Olympia,
                WA Thurston Co. United States | 18th Ave. SE / Fones Rd. SE (47.03250, -122.84697) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2010 | Double-right turn on north leg. October 2010. | 
| Rochester,
                MN Olmsted Co. United States | 18th Ave. NW / 48th St. NW (44.07167, -92.48888) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 22.3103 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2018 | https://kttc.com/2018/08/18/rochesters-first-mini-roundabout-set-to-debut-thursday-on-18th-avenue-nw/ ICD estimated from Google Maps linework. | 
| Seattle,
                WA King Co. United States | 18th Ave. E. / E. Spring St. (47.61154, -122.30890) | Traffic Calming Circle Existing | Unknown Unknown | 0 Approaches 0 Driveways 8.0516 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Kennewick,
                WA Benton Co. United States | 18th Ave. / Irving St. (46.19221, -119.19620) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.1649 | Other (At-Grade) Single-Lane | 2006 | New roads/intersection in subdivision - completed February 2006. Functional Class: Local ICD estimated from Google Maps linework. | 
| Columbus,
                GA Muscogee Co. United States | 18th Ave. / Garrard St. (32.48277, -84.96620) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.3067 | Other (At-Grade) Single-Lane | 2012 | Elongated central island. Functional Class: Local ICD estimated from Google Maps linework. | 
| Surrey,
                BC Greater Vancouver Regional District Canada | 188 St. / 68 Ave. (49.12614, -122.70170) | Roundabout Existing | Unknown Unknown | 0 Approaches 0 Driveways 25.7916 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Lakeville,
                MN Dakota Co. United States | 185th St. W / Highview Ave. (44.68129, -93.23745) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2023 | https://www.facebook.com/sehinc/videos/-view-from-a-drone-185th-street-roadway-extension-in-lakeville-minnesota-roadway/928613455591395/ | 
| Edmonton,
                AB Division 11 Canada | 182 St. SW / Kulay Green SW / Kimball Way SW (53.41931, -113.63647) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.0000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2020). | 
| Edmonton,
                AB Division 11 Canada | 182 St. SW / Keswick Way SW (53.41538, -113.63650) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 33.0000 | Other (At-Grade) Single-Lane | 2018 | Year Completed estimated (2017-2020). | 
| Edmonton,
                AB Division 11 Canada | 182 St. SW / Keswick Dr. SW (53.41258, -113.63649) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 32.0000 | Other (At-Grade) Single-Lane | 2019 | Year Completed estimated (2017-2020). | 
| Elk River,
                MN Sherburne Co. United States | 181st Ave. NW / Johnson St. NW / (parking) (45.29948, -93.52681) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2021 | Elliptical shaped. ICD = 125 ft x 115 ft. Year Completed estimated (2020-2021). | 
| Zumbrota,
                MN Goodhue Co. United States | 180th Ave. / S Main St. / E 18th St. / US 52 WB Ramps (44.28223, -92.66933) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Year Completed estimated (2015-2018). | 
| Zumbrota,
                MN Goodhue Co. United States | 180th Ave. / County 10 Blvd. / US 52 EB Ramps (44.28087, -92.67098) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Year Completed estimated (2015-2018). | 
| Podgorica, Montenegro | 18. jula / 13. jula / Moskovska (42.44744, 19.25062) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Guatemala City,
                Guatemala Guatemala Guatemala | 18 Calle / 15 Avenida (14.57975, -90.52453) | Other Existing | All-Way Stop Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| West Tuscaloosa,
                AL Tuscaloosa Co. United States | 17th St. / 23rd Ave. (33.19755, -87.56182) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | Building in central island. | |
| Ballard,
                WA King Co. United States | 17th Ave. NW / NW 83rd St (47.68874, -122.37896) | Traffic Calming Circle Existing | One-Way/Two-Way Stop Unknown | 4 Approaches 0 Driveways 13.7157 | Other (At-Grade) Single-Lane | ||
| Seattle,
                WA King Co. United States | 17th Ave. E. / E. Spring St. (47.61153, -122.31020) | Traffic Calming Circle Existing | Unknown Unknown | 0 Approaches 0 Driveways 5.6361 | Other (At-Grade) Unknown | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | 17th Ave. E. / E. Marion St. (47.61036, -122.31020) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 6.4414 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Lakeville,
                MN Dakota Co. United States | 179th St. W / Flagstaff Ave. (44.68974, -93.19707) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2020 | |
| Provo,
                UT Utah Co. United States | 1730 North / 1740 West (40.25703, -111.68890) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.3437 | Other (At-Grade) Single-Lane | 1998 | ICD estimated from Google Maps linework. | 
| Covington,
                WA King Co. United States | 172nd Ave. SE / SE 270th Pl. (47.35939, -122.11240) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 34.7885 | Other (At-Grade) Single-Lane | 2001 | ICD estimated from Google Maps linework. | 
| Farmington,
                MN Dakota Co. United States | 170th St. W / Chippendale Ave. W (SR 3) (44.70291, -93.13656) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2020 | http://www.dot.state.mn.us/metro/projects/hwy3farmington-empiretwp/index.html | 
| Provo,
                UT Utah Co. United States | 1700 North / 1730 North / 1500 West (40.25650, -111.68530) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 26.4324 | Other (At-Grade) Single-Lane | 1998 | 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. | |
| Monterey,
                CA Monterey Co. United States | 17 Mile Dr. / SR 1 SB On-Ramp (36.57448, -121.91295) | Roundabout Existing | All-Way Yield None | 2 Approaches 0 Driveways 28.9560 | Freeway Ramps (Grade-Separated) Single-Lane | 2017 | Raindrop shape. Right-turn-only lane on west leg. | 
| Rochester,
                MN Olmsted United States | 16th St. SW / (driveways) (44.00112, -92.47502) | Other Existing | All-Way Yield None | 1 Approaches 3 Driveways 36.5760 | Other (At-Grade) Single-Lane | 2017 | No splitter islands on three legs. Functions as cul-de-sac. | 
| Glencoe,
                MN McLeod Co. United States | 16th St. E / 110th St. / Falcon Ave. / Morningside Dr. (44.77578, -94.13155) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.1000 | Other (At-Grade) Single-Lane | 2022 | Year Completed estimated (2020-2022). | 
| Mount Pleasant,
                WI Racine Co. United States | 16th St. / Emmertsen Rd. (42.71282, -87.85553) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.6720 | Other (At-Grade) Single-Lane | 2019 | |
| Citrus Ridge,
                FL Indian River Co. United States | 16th Manor / 76th Ave. (27.63326, -80.48669) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | Pedestrian access to central island. | |
| Cedar Rapids,
                IA Linn Co. United States | 16th Ave. SE / 5th St. SE (41.97092, -91.65498) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.5280 | Other (At-Grade) Single-Lane | 2017 | Year Completed estimated (2017-2019). | 
| Federal Way,
                WA King Co. United States | 16th Ave. S / Todd Beamer High School entrance (47.27650, -122.31360) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 29.9813 | Other (At-Grade) Single-Lane | 2003 | Opened September 2003. Access to high school. ICD estimated from Google Maps linework. | 
| Seattle,
                WA King Co. United States | 16th Ave. E. / E. Spring St. (47.61154, -122.31150) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 8.8568 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Seattle,
                WA King Co. United States | 16th Ave. E. / E. Marion St. (47.61037, -122.31150) | Traffic Calming Circle Existing | Unknown Unknown | 4 Approaches 0 Driveways 9.6621 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Vancouver,
                BC Greater Vancouver Regional District Canada | 16th Ave. / Westbrook Mall (49.25575, -123.23630) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 42.0940 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | On campus of University of British Columbia. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| Covington,
                WA King Co. United States | 168th Pl. SE / Fred Meyer Entrance (47.35698, -122.11680) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 105.1794 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2008 | November 2008. Entrance into Fred Meyer shopping center. ICD estimated from Google Maps linework. | 
| Covington,
                WA King Co. United States | 168th Pl. SE / Costco Entrance (47.35463, -122.11860) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6463 | Other (At-Grade) Single-Lane | 2008 | November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework. | 
| Overland Park,
                KS Johnson Co. United States | 167th St. / Switzer Rd. (38.82554, -94.70508) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 50.2920 | Other (At-Grade) Single-Lane | 2022 | Overland Park City Project TH-1836. | 
| Olathe,
                KS Johnson Co. United States | 167th St. / Mur-Len St. (38.82566, -94.77972) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 50.2443 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Olathe,
                KS Johnson Co. United States | 167th St. / Lindenwood Dr. (38.82558, -94.78903) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.8703 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Olathe,
                KS Johnson Co. United States | 167th St. / (unknown) (38.82562, -94.77064) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 43.7312 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework. | 
| Lakeville,
                MN Dakota Co. United States | 162nd St. W / Eagleview Dr. (44.71478, -93.16821) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2015 | |
| Urbandale,
                IA Dallas Co. United States | 162nd St. / Alpine Dr. (41.64249, -93.84126) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands. | |
| Hastings,
                MN Dakota County United States | 160th St. E (CR 46) / Goodwin Ave. (CR 85) (44.71686, -92.95405) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2024 | https://www.hastingsjournal.news/stories/county-road-46-expected-to-open-by-the-end-of-the-week,113462 | 
| Urbandale,
                IA Dallas Co. United States | 160th St. / Alpine Dr. (41.64214, -93.83906) | Other Existing | Unknown Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Unknown | No splitter islands. | |
| Surrey,
                BC Greater Vancouver Canada | 160 St. / 82 Ave. (49.15184, -122.77886) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 17.1855 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| South Overton,
                TX Lubbock Co. United States | 15th St. / Avenue W (33.58171, -101.86620) | Traffic Calming Circle Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | ||
| Georgetown,
                CO Clear Creek Co. United States | 15th St. / Argentine St. (39.71527, -105.69520) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8298 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. |