|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Evendale,
OH Hamilton Co. United States |
Aviation Way / (parking) (39.25152, -84.44081) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2018 | |
|
Evendale,
OH Hamilton Co. United States |
Aviation Way / Evendale Dr. (39.24957, -84.44120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2020 | Double left turn on west leg. |
|
Evendale,
OH Hamilton Co. United States |
Neumann Way / Evendale Dr. (39.24668, -84.44092) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2019-2020). |
|
Union Township,
OH Clermont Co. United States |
Aicholtz Rd. / Eastgate Square Dr. (39.08921, -84.27161) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2023 | https://goclermont.org/cctid-project/aicholtz-road-roundabouts/ |
|
Union Township,
OH Clermont Co. United States |
Glen Este Withamsville Rd. / (Eastgate Square Dr.) (39.08843, -84.26883) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2024 | https://goclermont.org/cctid-project/aicholtz-road-roundabouts/ |
|
Union Township,
OH Clermont Co. United States |
Glen Este Withamsville Rd. / Ilium Ave. (39.08835, -84.26464) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://goclermont.org/cctid-project/aicholtz-road-roundabouts/ |
|
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/ |
|
Hernando,
MS De Soto Co. United States |
US 51 / W Oak Grove Rd. (34.81591, -89.99366) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://www.youtube.com/watch?v=DyREbRKFmQQ |
|
Waynesboro,
GA Burke Co. United States |
GA 24-GA 80 / GA 56 / Lovers Ln. (33.08492, -82.03795) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.youtube.com/watch?v=_HsuxBbR5ds |
|
Shelby,
NC Cleveland Co. United States |
NC-150 (Cherryville Rd.) / NC-180 (N Post Rd.) (35.31228, -81.49215) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Left-turn-only lane on northeast leg. Year Completed estimated (2022-2024). |
|
Shelby,
NC Cleveland Co. United States |
NC-150 (Cherryville Rd.) / Shelby Bypass EB Ramps (35.31324, -81.49081) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | Year Completed estimated (2022-2024). |
|
Shelby,
NC Cleveland Co. United States |
NC-150 (Cherryville Rd.) / Shelby Bypass WB Ramps (35.31432, -81.48908) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | Year Completed estimated (2022-2024). |
|
Marion,
OH Marion Co. United States |
SR 309 (Harding Hwy. W) / Marion-Williamsport Rd. (40.60438, -83.16986) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2023 | Year Completed estimated (2021-2023). |
|
Semmes,
AL Mobile Co. United States |
Howells Ferry Rd. / Firetower Rd. (30.73919, -88.25987) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://www.facebook.com/WKRG.News.5/posts/construction-of-a-new-roundabout-at-the-intersection-of-howells-ferry-road-and-f/1089934906506602/ |
|
Frisco,
TX Collin Co. United States |
Acacia Ave. / Gartner Rd. (33.15628, -96.74202) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5274 |
Other (At-Grade) Single-Lane |
2024 | |
|
Frisco,
TX Collin Co. United States |
Acacia Ave. / Twistleaf St. (33.15767, -96.73793) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
2024 | |
|
Frisco,
TX Collin Co. United States |
Acacia Ave. / Birchleaf Dr. / Bearberry Dr. (33.15763, -96.73480) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5277 |
Other (At-Grade) Single-Lane |
2024 | |
|
Frisco,
TX Collin Co. United States |
Everwell Ln. / Durant Ln. (33.19927, -96.82178) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1856 |
Other (At-Grade) Single-Lane |
2025 | |
|
Frisco,
TX Collin Co. United States |
Everwell Ln. / Forbes Dr. (33.19643, -96.82593) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1856 |
Other (At-Grade) Single-Lane |
2025 | |
|
Phoenix,
AZ Maricopa Co. United States |
E Sky Crossing Way / E Bryce Ln. (33.68858, -112.00861) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2019-2020). |
|
Phoenix,
AZ Maricopa Co. United States |
E Sky Crossing Way / N Cave Butte St. (33.68854, -112.01959) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Single-Lane |
2019 | Year Completed estimated (2018-2019). |
|
Arlington,
VA Arlington Co. United States |
Boundary Channel Dr. / I-395 SB Ramps (38.87067, -77.04839) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 48.7680 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/ |
|
Arlington,
VA Arlington Co. United States |
Boundary Channel Dr. / Jefferson Davis Hwy. / I-395 NB Ramps (38.86975, -77.04548) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | https://www.arlnow.com/2024/05/30/boundary-channel-drive-roundabouts-and-trail-upgrades-are-officially-complete/ |
|
Jacksonville,
FL Duval Co. United States |
Edgewood Ave. S / Plymouth St. (30.30807, -81.71335) |
Other Existing |
Other At-grade Rail Crossing Signals/Gates (controlling approach only) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | Located 30 ft from at-grade rail crossing. Stop control on circulatory roadway; northbound uncontrolled. https://www.news4jax.com/news/local/2024/12/26/murray-hill-residents-divided-on-new-roundabout-effectiveness/ |
|
Brandenton,
FL Manatee Co. United States |
SR 64 / Lorraine Rd. / 145th St. E (27.47548, -82.39557) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.mysuncoast.com/2025/04/02/state-road-64-lorraine-road-roundabout-opens-early/ |
|
Cottonwood,
AZ Yavapai Co. United States |
N Main St. / N 10th St. (34.74422, -112.01633) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Replaced offset T intersections. https://www.verdenews.com/news/main-street-roundabout-newest-addition-in-cottonwoods-148-lane-miles-of-streets/article_752e0b29-40ee-4ba4-8d37-f119acec45b8.html |
|
Bellingham,
WA Whatcom Co. United States |
W Illinois St. / Meridian St. (48.76817, -122.48609) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2025 | https://cob.org/project/west-illinois-multimodal |
|
Amherst,
NY Erie Co. United States |
John James Audubon Pkwy. / I-990 WB Ramps / Alamosa Way (43.02618, -78.78262) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 39.6240 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | |
|
Byron,
GA Peach Co. United States |
Centerville Rd. / Housers Mill Rd. (32.60929, -83.74792) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | Replaced two offset T-intersections. |
|
Covington,
GA Newton Co. United States |
US 278-GA 12 / GA 11 (33.59968, -83.75056) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://www.rockdalenewtoncitizen.com/news/work-underway-on-roundabout-at-hub-junction/article_a0207ea4-6379-11ed-8ac4-f75010cb538a.html |
|
Reidville,
SC Spartanburg Co. United States |
Berry Shoals Rd. / Apple Valley Rd. (34.87688, -82.13462) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://www.facebook.com/SpartanburgCountyGovernment/posts/heads-up-drivers-beginning-on-tuesday-september-3rd-a-traffic-detour-will-go-int/884807807028082/ |
|
Frankfort,
IN Clinton Co. United States |
SR 28 / Banderas Dr. / CR 800 W (40.26283, -86.64985) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Intersection shifted approximately 250 ft east. https://www.facebook.com/FrankfortPoliceDepartment/videos/its-national-roundabout-week-here-is-a-video-of-frankforts-own-roundabout-taken-/1952011948594793/ |
|
Granville,
OH Licking Co. United States |
SR 661 (North St.) / N Pearl St. / New Burg St. (40.07743, -82.52125) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | https://www.thereportingproject.org/new-roundabout-will-be-ready-for-the-first-day-of-school-on-aug-21-after-a-closure-for-paving-the-night-of-aug-18/ |
|
McDonough,
GA Henry Co. United States |
Racetrack Rd. / Iris Lake Rd. / Iris Lake Village Rd. (33.43047, -84.12372) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2024 | Year Completed estimated (2023-2025). |
|
North Dumfries,
ON Oxford Canada |
Trussler Rd. / Cedar Creek Rd. / Oxford Road 8 (43.32353, -80.49392) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2024 | https://kitchener.citynews.ca/2024/09/19/cedar-creek-trussler-road-roundabout-work-completed/ |
|
Bay City,
MI Bay Co. United States |
MacKinaw Rd. / US 10 WB Ramps (43.59677, -83.99239) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | |
|
Bay City,
MI Bay Co. United States |
MacKinaw Rd. / US 10 EB Ramps (43.59527, -83.99235) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | |
|
Clarkston,
WA Asotin Co. United States |
US 12 (Bridge St.) / Diagonal St. / 2nd St. (46.41994, -117.04045) |
Roundabout Existing |
All-Way Yield Unknown |
5 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Replaced five-legged signalized intersection. https://www.lmtribune.com/local-news/welcome-to-clarkston-19216825 |
|
San Diego,
CA San Diego Co. United States |
Foothill Blvd. / Loring St. (32.80778, -117.24568) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2025 | Oval shaped. ICD = 130 ft x 90 ft. https://www.roadsbridges.com/road-traffic-safety/news/55241846/san-diego-builds-roundabouts-to-improve-safety |
|
Kahalu'u,
HI Honolulu Co. United States |
SR 83 (Kamehameha Hwy.) / SR 83 (Kahekili Hwy.) / SR 830 (Kamehameha Hwy.) (21.45721, -157.83809) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://kahekiliroundabout.com/ |
|
Escondido,
CA San Diego Co. United States |
E Grand Ave. / Kalmia St. (33.12233, -117.08011) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2025 | https://ols.escondido.org/CivicAlerts.aspx?AID=142 |
|
Ettlingen,
Baden-Württemberg Karlsruhe Germany |
Karlsruher Straße / Pforzheimer Straße / Schillerstraße / Scheffelstraße (48.94361, 8.40786) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
Ettlingen,
Baden-Württemberg Karlsruhe Germany |
Karlsruher Straße / Huttenkreuzstraße / Pulvergartenstraße (48.94604, 8.40715) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
|
Brant,
ON Brant Canada |
Hwy 2 (King Edward St.) / Puttown Rd. / Falkland Rd. (43.17027, -80.43259) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2020-2023). |
|
Brant,
ON Brant Canada |
Hwy 2 (King Edward St.) / Bishopsgate Rd. (43.17113, -80.42643) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2020-2023). |
|
Brant,
ON Brant Canada |
Rest Acres Rd. / Cobblestone Dr. / Daugaard Ave. (43.18023, -80.38441) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2020-2023). |
|
Brant,
ON Brant Canada |
Rest Acres Rd. / Arlington Pkwy. / Court Dr. (43.17712, -80.38332) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2020-2023). |
|
Brant,
ON Brant Canada |
Rest Acres Rd. / Scenic Ridge Gate / Lydia Ln. (43.17224, -80.38134) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2020-2023). |
|
Brant,
ON Brant Canada |
Rest Acres Rd. / Hutchings Rd. (43.16711, -80.37922) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 62.0000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
2024 | Right-turn-only lane and three-lane pedestrian crossing on south leg. |
|
Hamilton,
ON Hamilton Canada |
Hwy 52 / Hwy 403 WB Ramps (43.20276, -80.04528) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Year Completed estimated (2021-2025). |
|
Hamilton,
ON Hamilton Canada |
Hwy 52 / Hwy 430 EB Ramps (43.19974, -80.04435) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2024 | Year Completed estimated (2021-2025). |
|
Little Rock,
AR Pulaski Co. United States |
Kanis Rd. / Fletcher Ridge Blvd. / Chenal Downs Blvd. (34.75930, -92.48271) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Single-Lane |
2021 | |
|
Monroe,
LA Ouachita Par. United States |
Broadmore Blvd. / Bienville Dr. (32.53427, -92.09860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2000 | Year Completed estimated (1998-2005). |
|
Monclova Township,
OH Lucas Co. United States |
Salisbury Rd. / Albon Rd. (41.58101, -83.73746) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2020 | Year Completed estimated (2018-2020). |
|
Seattle,
WA King Co. United States |
NW 75th St. / 30th Ave. NW (47.68305, -122.39575) |
Traffic Calming Circle Existing |
Uncontrolled None |
4 Approaches 0 Driveways 16.1541 |
Other (At-Grade) Single-Lane |
||
|
West Palm Beach,
FL Palm Beach Co. United States |
S. Quadrille Blvd. (El Campeon Blvd.) / Fern St. (26.71040, -80.05505) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | Replaced with TWSC 1995-1999; signalized in 2019. |
|
Daytona Beach,
FL Volusia Co. United States |
Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.) (29.22941, -81.02484) |
Rotary Removed |
All-Way Yield Unknown |
0 Approaches 0 Driveways 42.7326 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). ICD estimated from Google Maps linework. |
|
Lutherville-Timonium,
MD Baltimore Co. United States |
MD 139 (Charles St.) / Bellona Ave. (39.41790, -76.62900) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 28.9560 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Two-lane circulatory roadway across northern half. |
|
East Lansing,
MI Ingham Co. United States |
Bogue St. / Shaw Ln. (42.72575, -84.47185) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2014 | Roundabout built in 2000, removal date estimated (2013-2015). |
|
Greenwich,
CT Fairfield Co. United States |
King St. / Rye Lake Ave. (41.07508, -73.70280) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2006 | Temporary roundabout installed May 12, 2004. Functional Class: Local. |
|
Chesterfield,
MO St. Louis Co. United States |
Schoettler Valley Dr. / Highcroft Dr. (38.64415, -90.55331) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 17.7235 |
Other (At-Grade) Single-Lane |
1999 | Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework. |
|
Claremont,
CA Los Angeles Co. United States |
Indian Hill Blvd. / Bonita St. (34.09662, -117.71930) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2000 | Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3) |
|
Woodland,
CA Yolo Co. United States |
Gum Ave. / Bourn Dr. (38.66820, -121.74710) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 64.3428 |
Other (At-Grade) Single-Lane |
2008 | Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
|
Amelia Island,
FL Nassau Co. United States |
Beach Walker Rd. / Beachwood Rd. (30.55425, -81.44608) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 27.4320 |
Other (At-Grade) Single-Lane |
2012 | Roundabout completed before 1999, removed 2011-2013. |
|
Advance,
NC Davie Co. United States |
NC 801 / I-40 EB Ramps (36.00655, -80.44083) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 17.3907 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
|
Phoenix,
AZ Maricopa Co. United States |
Happy Valley Rd. / I-17 NB Ramps (33.71291, -112.11477) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 64.0077 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2020 | Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442 |
|
Phoenix,
AZ Maricopa Co. United States |
Happy Valley Rd. / I-17 SB Ramps (33.71292, -112.12019) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 62.4840 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2020 | Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442 |
|
Columbia,
MO Boone Co. United States |
Business Loop 70 / I-70 WB Ramps / Creasy Springs Rd. (38.96655, -92.35241) |
Roundabout Removed |
All-Way Yield Unknown |
5 Approaches 0 Driveways 94.7178 |
Freeway Ramps (Grade-Separated) Single-Lane |
1996 | First roundabout in Missouri by Missouri DOT. Originally built in 1996 per article: https://www.voxmagazine.com/news/all-about-roundabouts-in-columbia/article_93724b2b-8b20-5228-b4de-315c5c3d2004.html. Replaced with roundabout to immediate west. ICD estimated from Google Maps linework. |
|
East Lansing,
MI Ingham Co. United States |
Wilson Rd. / Red Cedar Rd. (42.72324, -84.48238) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 23.6898 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
|
East Lansing,
MI Ingham Co. United States |
Bogue St. / Wilson Rd. (42.72326, -84.47186) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 36.8508 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
|
Fort Collins,
CO Larimer Co. United States |
College Ave. / Laporte Ave. (40.58899, -105.07720) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 26.3021 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
|
Fort Collins,
CO Larimer Co. United States |
Silverwood Dr. / Centennial Rd. (40.54545, -105.05120) |
Traffic Calming Circle Removed |
All-Way Yield None |
4 Approaches 0 Driveways 31.7646 |
Other (At-Grade) Single-Lane |
Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework. | |
|
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 NB Ramps (39.15573, -76.74459) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 26.8575 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. Replaced with DDI |
|
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 SB Ramps (39.15677, -76.74617) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 66.6796 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. Replaced with DDI. |
|
Provo,
UT Utah Co. United States |
Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods) (40.29899, -111.65785) |
Other Removed |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2010 | Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall. |
|
Colorado Springs,
CO El Paso Co. United States |
(parking lot #1) (39.01388, -104.81080) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 21.3437 |
Other (At-Grade) Single-Lane |
2013 | Originally built 2004. Removal date estimated (2011-2015). ICD estimated from Google Maps linework. |
|
Edmonton,
AB Edmonton Capital Region Canada |
Connors Rd. NW / 85th St. NW / 83rd St. NW / 90th Ave. NW (53.52501, -113.45750) |
Rotary Removed |
Unknown Unknown |
5 Approaches 0 Driveways 25.5598 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2019 | Rotary converted to signalized intersection in 2019 to make way for LRT. https://edmontonjournal.com/news/local-news/love-it-or-hate-it-bonnie-doon-traffic-circle-to-be-removed-in-favour-of-four-way-intersection/ |
|
Abbotsford,
BC Fraser Valley Regional District Canada |
Mt Lehman Rd. / Old Yale Rd. / Hwy 1 WB Entrance Ramp (49.05889, -122.38131) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 44.0000 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2022 | Roundabout (multilane, 2x2) constructed 2006 to replace a two-way stop intersection. Roundabout replaced with traffic signal in 2022. |
|
Altoona,
IA Polk Co. United States |
10th Ave. SE / 15th St. SE (41.63733, -93.45121) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways 18.2880 |
Other (At-Grade) Single-Lane |
2024 | No splitter islands. Opened December 16, 2005. Circle replaced with a 4-way stop in 2024. https://www.altoona-iowa.com/news_detail_T2_R153.php |
|
Olathe,
KS Johnson Co. United States |
Indian Wells Dr. / Spruce St. (38.88568, -94.85022) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 44.6239 |
Other (At-Grade) Single-Lane |
2002 | Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework. |
|
Baraboo,
WI Sauk Co. United States |
Old US 12 / CTH BD (43.48896, -89.77718) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2010 | Constructed in 2010. Removed in 2017(?) due to bypass expansion. |
|
Prior Lake,
MN Scott Co. United States |
Dakotah Pkwy / (casino access) (44.73231, -93.47141) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2017 | Originally constructed 2008. Through arrows instead of left arrows on approach. Removed in 2017-2018 with conversion to one-way roadway around the casino. |
|
Portland,
OR Multnomah Co. United States |
NE 7th Ave. / NE Morris St. (45.54468, -122.65860) |
Traffic Calming Circle Removed |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways 128.8135 |
Other (At-Grade) Single-Lane |
2013 | Neighborhood traffic circle was installed 1/9/1992. Removed in 2013 as part of upgrades to the Neighborhood Greenway. Added speed humps nearby. ICD estimated from Google Maps linework. |
|
Bloomington,
IL McLean Co. United States |
Royal Pointe Dr. / Arrowhead Dr. (40.49332, -88.93045) |
Traffic Calming Circle Removed |
Other None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2014 | Removed sometime between 2012 and 2015. |
|
Ceres,
CA Stanislaus Co. United States |
North St. / 4th St. (37.59167, -120.95337) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways 24.3840 |
Other (At-Grade) Single-Lane |
2018 | Originally constructed in 2004 as single-lane roundabout. Replaced with all-way stop in 2017-2018. |
|
Bentonville,
AR Benton Co. United States |
N Walton Blvd. / I-49 SB Ramps (36.41346, -94.22015) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 91.4400 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
2016 | Roundabout constructed in 2016. Removed 2020-2021 to reconfigure interchange as a single-point diamond interchange with a different mainline alignment. Circulatory roadway in front of south leg had a through-right arrow in the left circulating lane and a fishhook through arrow with a dot in the right lane. |
|
Swindon,
England Wilts United Kingdom |
Fleming Way / Princes St. (51.56262, -1.78059) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 71.2766 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
|
Bulle,
Fribourg La Gruyère Switzerland |
Rue des Trois-Trèfles / Rue du Tirage / Rue de Montsalvens (46.61464, 7.05222) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 53.3251 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
|
Boston,
MA Suffolk Co. United States |
Franklin Park Rotary (Morton St. / Arborway / Forest Hills Dr.) (42.30055, -71.10665) |
Rotary Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 78.6186 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2016 | Replaced with signalized intersection. ICD estimated from Google Maps linework. |
|
Bourne,
MA Barnstable Co. United States |
US 6 (Rte 3) / Scenic Hwy (41.78067, -70.54342) |
Rotary Removed |
All-Way Yield Unknown |
4 Approaches 4 Driveways 26.7184 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2007 | Rotary replaced with an interchange. ICD estimated from Google Maps linework. |
|
Nampa,
ID Canyon Co. United States |
E Franklin Rd. / Star Rd. / N Robinson Rd. (43.60497, -116.49357) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2012 | Roundabout removed 2020 in conjunction with construction of Amazon center. Original roundabout completed 2012 and had right-turn-only lanes on north and south legs. |
|
(unincorporated),
AB Alberta Canada |
37 St. SW / Grey Eagle Dr. / Hwy 8 EB Ramps (51.00767, -114.14109) |
Roundabout Removed |
All-Way Yield Unknown |
3 Approaches 0 Driveways 93.9364 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Year Completed estimated (2008-2011). Removed in 2018 as part of realignment project. http://www.swcrrproject.com/wp-content/uploads/2016/11/SWCRR_37Street_Glenmore_Jun5.pdf ICD estimated from Google Maps linework. |
|
Bulle,
Fribourg La Gruyère Switzerland |
Rue de la Condemine / Rue de L'Ondine (46.61890, 7.05979) |
Roundabout Removed |
Unknown Unknown |
4 Approaches 0 Driveways 13.9455 |
Unknown Single-Lane |
ICD estimated from Google Maps linework. | |
|
Bryan,
TX Brazos Co. United States |
Esther Blvd. / Bennett St. (30.65622, -96.35323) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 15.2400 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2021 | Oval shaped. Year Completed estimated (2017-2019). Year Removed estimated (2019-2022). ICD = 50 ft x 38 ft. |
|
Cape Town,
Western Cape Cape Town South Africa |
Centenary Dr. / (parking) (-34.08481, 18.82458) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 33.6312 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
ICD estimated from Google Maps linework. | |
|
Las Vegas,
NV Clark Co. United States |
E Sahara Ave. / S Hollywood Blvd. (36.14450, -115.02914) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2019 | This was built as a temporary roundabout in 2016. Some of the scenes in this video are when it was obviously temporary, some look like it is now: https://www.youtube.com/watch?v=IaFwJy3mCXc Removed in 2019. https://www.fox5vegas.com/news/cone-zone-hollywood-boulevard-roundabout-removed/video_cac02d5b-4d52-51df-940b-3b1d929a0d7c.html |
|
Spring Branch East,
TX Harris Co. United States |
Hillendahl Blvd. / Westwood Dr. (29.79893, -95.49322) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 7.0101 |
Other (At-Grade) Single-lane w/ Traversable Central Island |
2010 | Built as a mini roundabout in 1998 as part of a larger neighborhood street reconstruction project. It had a mountable center island 6 ft. in diameter and 3" high made from recycled rubber; long gone. Conversion to TWSC estimated from aerial photos. |
|
Glenmore Park,
NSW Penrith Australia |
A9 (The Northern Rd.) / Glenmore Pkwy. / Wentworth Rd. (-33.79372, 150.69909) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
|
Plano,
TX Denton Co. United States |
Plano Crossing (33.08268, -96.84750) |
Roundabout Removed |
All-Way Yield Unknown |
2 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2016 | Old Style Roundabout. Partially completed in 2009, removed 2016. |
|
Truganina,
VIC Australia |
A91 (Palmers Rd.) / B94 (Dohertys Rd.) (-37.82494, 144.74884) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |