City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Proctor Road,
FL Sarasota Co. United States |
SR 72 (Clark Rd.) / Proctor Rd. / Dove Ave. (27.26904, -82.42112) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2023 | Yield-controlled right-turn bypass lanes on north and east legs. |
Sarasota,
FL Sarasota Co. United States |
Starry Night Ave. / Luna Ln. (27.24729, -82.40412) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2019 | |
Miami,
FL Miami-Dade Co. United States |
NW 111th St. / NW 10th Ave. (25.87632, -80.21429) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 21.3360 |
Other (At-Grade) Single-Lane |
2007 | Year Completed estimated (2006-2007). |
Goulds,
FL Miami-Dade Co. United States |
SW 216th St. / SW 122nd Ave. (25.56620, -80.38868) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2022 | Year Completed estimated (2020-2022). |
Nampa,
ID Canyon Co. United States |
Cherry Ln. / N Idaho Center Rd. / N Can Ada Rd. (43.61960, -116.51332) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2023 | https://www.facebook.com/cityofnampa.us/posts/pfbid01GwhiVMxbiDrKP67dQPCeqSCxBAPfqshgLEvruyRWwiVFBPnSGJoAT37JMNEn2NUl |
Naples,
FL Collier Co. United States |
Marbella Lakes Dr. / Hermosa Way / Whippoorwill Ln. (26.19707, -81.74720) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | https://www.instagram.com/colliercountyfl/p/C042GnMslfu/?img_index=1 |
Cox Green,
England Windsor And Maidenhead United Kingdom |
Holyport Interchange: A404 (M) / A308 (M) / M4 Ramps (51.49903, -0.72393) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
Maidenhead,
England Windsor And Maidenhead United Kingdom |
Braywick Roundabout: A308 / A308 (M) / A330 / Braywick Rd. (51.50423, -0.71170) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Fishery,
England Windsor And Maidenhead United Kingdom |
A308 (Braywick Rd.) / Stafferton Way / Rushington Ave. (51.51711, -0.72021) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
Maidenhead,
England Windsor And Maidenhead United Kingdom |
A4 / A308 (51.52276, -0.72468) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
Maidenhead,
England Windsor And Maidenhead United Kingdom |
A4 / B4447 (51.52457, -0.72022) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Maidenhead,
England Windsor And Maidenhead United Kingdom |
A4 / Forlease Rd. (51.52442, -0.71510) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Maidenhead,
England Windsor And Maidenhead United Kingdom |
A4 / A4094 (Ray Mead Rd.) (51.52395, -0.70372) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Maidenhead,
England Bucks United Kingdom |
A4 (Bath Rd.) / Jubilee Ln. (51.52411, -0.69923) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Burnham,
England Bucks United Kingdom |
A4 (Bath Rd.) / B3026 (Lake End Rd.) / Lent Rise Rd. (51.52124, -0.66740) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Cippenham,
England Slough United Kingdom |
A4 (Bath Rd.) / M4 (Hunterscombe Spur) / Goldsworthy Way (51.52017, -0.65469) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
Cippenham,
England Slough United Kingdom |
Bower Way / Lewis Way (51.51827, -0.63716) |
Other Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
Parking along circulatory roadway. | |
Cippenham,
England Slough United Kingdom |
Lower Cippenham Ln. / Spring Ln. (51.51471, -0.63438) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Chalvey,
England Slough United Kingdom |
A355 (Tums Ln.) / Church St. / Cippenham Ln. (51.50871, -0.61241) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
Hamburger shaped. | |
Chalvey,
England Slough United Kingdom |
Tuns Lane Interchange: A355 (Tuns Ln.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.50311, -0.61641) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
Upton Park,
England Slough United Kingdom |
Red Cow Roundabout: A412 / B376 (Datchet Rd.) / Upton Court Rd. (51.50308, -0.58904) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Brands Hill,
England Slough United Kingdom |
Langley Roundabout: A4 (London Rd.) / M4 (Slough-Maidenhead By-Pass) Ramps (51.49179, -0.54292) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
West Drayton,
England Greater London United Kingdom |
A408 (Stockley Rd.) / Prologis Park (51.50251, -0.45118) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
London,
England Greater London United Kingdom |
Prologis Park / Nine Acre Close (51.50223, -0.44740) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Hayes,
England Greater London United Kingdom |
A437 (Dawley Rd.) / Bourne Ave. (51.50250, -0.43051) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Cranford,
England Greater London United Kingdom |
A408 / M4 (Heathrow Airport Spur Rd. / M4 (Chiswick to Langley Special Road) Ramps (51.49580, -0.45344) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
||
Clewer Green,
England Windsor And Maidenhead United Kingdom |
A332 (Royal Windsor Way) / B3024 (Clarence Rd.) / B3173 (Imperial Rd.) (51.47994, -0.62424) |
Signalized Roundabout/Circle Existing |
Signal Unknown |
5 Approaches 0 Driveways |
Other (At-Grade) Multilane (3+ Lane) |
||
Clewer Village,
England Windsor And Maidenhead United Kingdom |
A308 (Maidenhead Rd.) / A332 (Royal Windsor Way) Ramps (51.48356, -0.62366) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max) |
||
Windsor Castle,
England Windsor And Maidenhead United Kingdom |
Charles St. / Arthur Rd. / Goswell Rd. (51.48234, -0.61213) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 1 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
Clewer Green,
England Windsor And Maidenhead United Kingdom |
A308 (Osborne Rd.) / Alma Rd. (51.47645, -0.61702) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, unspecified) |
||
Spital,
England Windsor And Maidenhead United Kingdom |
B3022 (St Leonard's Rd.) / Bolton Rd. (51.47136, -0.61687) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Single-lane w/ Traversable Central Island |
||
Dedworth,
England Windsor And Maidenhead United Kingdom |
B3022 (Winkfield Rd.) / Legoland Windsor (51.46308, -0.64514) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Russell,
ON Prescott and Russell Canada |
St-Guillaume Rd. / Burton Rd. / St Pierre Rd. (45.33172, -75.34597) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.0000 |
Other (At-Grade) Single-Lane |
2022 | https://www.russell.ca/en/news/construction-roundabout-vars-417.aspx |
Russell,
ON Prescott and Russell Canada |
Notre Dame St. / St Guillaume Rd. / (parking) (45.26964, -75.31120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 45.0000 |
Other (At-Grade) Single-Lane |
2013 | Year Completed estimated (2012-2013). |
Hampton,
GA Henry Co. United States |
Floyd Rd. / King Rd. / Grafton St. (33.37580, -84.27815) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2023 | https://mhfnews.org/2023/04/12/east-king-roundabout-is-nearly-complete-in-hampton/ |
Stockbridge,
GA Henry Co. United States |
GA 138 / Moseley Dr. (33.56930, -84.16559) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 30.4800 |
Other (At-Grade) Single-Lane |
2016 | Initially constructed as a mini-roundabout in 2016; upgraded to a full roundabout in 2022. https://mhfnews.org/2022/06/16/gdot-crews-to-enlarge-moseley-drive-roundabout/ |
De Soto,
KS Johnson Co. United States |
W 103rd St. / Astra Pkwy. (38.94208, -95.00725) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2023 | https://www.kcur.org/podcast/up-to-date/2024-03-05/heres-how-de-soto-kansas-is-getting-ready-for-massive-panasonic-plants-2025-opening |
Greenville,
NC Pitt Co. United States |
W 5th St. / 14th Ave. / Tyson St. (35.61294, -77.38683) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2024 | https://www.reflector.com/news/local/new-traffic-circle-welcomes-fifth-street-motorists/article_00a1eca6-f341-11ee-9098-bf9358b17966.html |
Trinidad,
CO Las Animas Co. United States |
County Road 69.1 / I-25 SB Ramps (37.13386, -104.52197) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.codot.gov/projects/archived-project-sites/i25-exit11-trinidad-intersection |
Trinidad,
CO Las Animas Co. United States |
Santa Fe Trail / I-25 NB Ramps (37.13383, -104.52080) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.codot.gov/projects/archived-project-sites/i25-exit11-trinidad-intersection |
Pueblo,
CO Pueblo Co. United States |
Frontage Rd. / Drew Dix Pkwy. / I-25 SB Exit Ramp (38.34309, -104.62080) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 0.0000 |
Freeway Ramps (Grade-Separated) Single-Lane |
2023 | https://www.codot.gov/projects/drewdixdillon |
(unincorporated),
TX Fort Bend Co. United States |
Mason Rd. / Beechnut St. (29.68438, -95.73837) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8637 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2024 | |
Grand Island,
NY Erie Co. United States |
South Pkwy. / W River Pkwy. / Beaver Island Park Rd. (42.96786, -78.95880) |
Rotary Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 146.3040 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Orleans,
MA Barnstable Co. United States |
Rte 28 (S Orleans Rd.) / Rte 39 (Harwich Rd.) / Quanset Rd. (41.75145, -69.99094) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2023 | https://capecodchronicle.com/articles/439/view |
Spring Hill,
AL Pike Co. United States |
SR 167 / SR 87 / Carson Waters Rd. (31.67707, -85.95737) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Single-Lane |
2024 | Peanut shaped. Node ICDs are 140 ft; length is 485 ft. https://www.troymessenger.com/2024/03/25/drone-footage-of-new-pike-county-roundabout/ |
Athens,
AL Limestone Co. United States |
Forrest St. / Ridgelawn Dr. (34.79632, -86.94443) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2023 | No splitter island on north leg. |
Eden,
England Bucks United Kingdom |
Abbey Way Gyratory: A40 (Abbey Way / Frances Dove Way) / A404 (Marlow Hill / Amersham Hill) / Queen Alexandra Rd. / St. Mary St. (51.62703, -0.75067) |
Roundabout Existing |
All-Way Yield Unknown |
6 Approaches 1 Driveways |
Other (At-Grade) Ring junction (3+ mini-roundabouts in ring) |
Ring junction of five mini-roundabouts. | |
Fort Riley,
KS Geary Co. United States |
Huebner Rd. / (parking) (39.08363, -96.76512) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 33.2232 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2010-2012). |
Fort Riley,
KS Geary Co. United States |
Huebner Rd. / (unknown) (39.08638, -96.76175) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2011 | Year Completed estimated (2010-2012). |
Fort Riley,
KS Geary Co. United States |
Henry Dr. / Ray Rd. (39.05017, -96.77554) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Single-Lane |
2018 | Through bypass lane on north leg. Merging right-turn bypass lane on south and east legs. Year Completed estimated (2014-2019). |
Fort Riley,
KS Geary Co. United States |
Henry Dr. / Marshall Rd. (39.04386, -96.77208) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Turbo roundabout. Merging right-turn bypass lane on south leg. Year Completed estimated (2020-2022) |
Fort Riley,
KS Geary Co. United States |
Trooper Dr. / Rifle Range Rd. (39.07167, -96.83342) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Single-Lane |
2013 | Merging right-turn bypass lanes on north and west legs. Merging through bypass lane on south leg. Year Completed estimated (2012-2014). |
Fort Riley,
KS Riley Co. United States |
Trooper Dr. / Apennines Dr. (39.10394, -96.81859) |
Other Existing |
Uncontrolled Unknown |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
||
Fort Riley,
KS Riley Co. United States |
Apennines Dr. / Warren Rd. (39.10398, -96.81651) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 35.0520 |
Other (At-Grade) Single-Lane |
2005 | Year Completed estimated (2004-2005). |
Fort Riley,
KS Riley Co. United States |
Trooper Dr. / Normandy Dr. (39.10538, -96.81595) |
Unknown Existing |
Unknown Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
||
Fort Riley,
KS Riley Co. United States |
Normandy Dr. / Estes Rd. (39.11209, -96.81585) |
Other Existing |
Uncontrolled Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
Raindrop shaped. | |
Fort Riley,
KS Riley Co. United States |
Apennines Dr. / Estes Rd. (39.11312, -96.81949) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Single-Lane |
2014 | Year Completed estimated (2014-2020). |
Fort Riley,
KS Riley Co. United States |
Estes Rd. / Kitty Dr. (39.11423, -96.82334) |
Unknown Existing |
Unknown Unknown |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
Painted splitter islands. | |
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 |
||
Riley,
KS Riley Co. United States |
Huebner Rd. / Williston Point Rd. (39.09658, -96.74795) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Single-Lane |
2007 | Painted splitter islands. Merging through bypass lane on southwest leg. Year Completed estimated (2006-2008). |
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. |
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 66.6797 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
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. / 85th St. / 83rd St. / 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/ ICD estimated from Google Maps linework. |
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. |
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. | |
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. |