City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Estes Park,
CO Larimer Co. United States |
US 36 / US 34 Business / Crags Dr. (40.37248, -105.52360) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 36.5760 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Elliptical shaped. Replaced two two-way stop-controlled intersections. ICD = 120 ft x 95 ft. Year Completed estimated (2019-2024). |
Lochbuie,
CO Adams Co. United States |
E 168th Ave. / Frontage Rd. (40.00051, -104.71769) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2020 | Ellipitcal shaped. ICD = 170 ft x 140 ft. |
Aurora,
CO Arapahoe Co. United States |
Copperleaf Blvd. / Radcliff Pkwy. (39.63537, -104.72624) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | Year Completed estimated (2022-2023). |
Westerville,
OH Franklin Co. United States |
Little Turtle Way W / Longrifle Rd. (40.08322, -82.87865) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.2440 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Yield-controlled right-turn bypass lane on south leg. |
Castle Rock,
CO Douglas Co. United States |
Mikelson Blvd. / Mitchell St. (39.36622, -104.79813) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.youtube.com/watch?v=QkZTn1X4oAY |
Castle Rock,
CO Douglas Co. United States |
Crystal Valley Pkwy. / S Wilcox St. / E Frontage Rd. / I-25 NB Exit Ramp (39.33865, -104.87343) |
Roundabout Existing |
All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) |
5 Approaches 0 Driveways 60.9600 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2024 | https://www.crgov.com/3131/Crystal-Valley-Interchange. Partially open in November 2024. |
Black Forest,
CO El Paso Co. United States |
SR 50 (Walker Rd.) / Jane Lundeen Dr. (39.09974, -104.76828) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 54.8637 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Double left turn on south leg. Right-turn-only on west leg. |
New Castle,
CO Garfield County United States |
US 6 / Castle Valley Blvd. (39.56797, -107.51604) |
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://kdvr.com/news/local/new-multi-lane-roundabout-at-intersection-of-us-6-and-castle-valley-road/ |
Punta Gorda,
FL Charlotte Co. United States |
US 41 (Tamiami Trl.) / Carmalita St. (26.92980, -82.04751) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.gulfshorebusiness.com/gb_daily/new-downtown-roundabout-opens-in-punta-gorda/ |
Monument,
CO El Paso County United States |
W Baptist Rd. / Terrazzo Dr. (39.05656, -104.85476) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 53.3400 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.codot.gov/projects/archives/baptistterrazzoroundabout |
Scottsdale,
AZ Maricopa County United States |
E Happy Valley Rd. / N Alma School Rd. (33.71265, -111.85679) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Left-turn-only lane on west leg. |
Scottsdale,
AZ Maricopa County United States |
E Happy Valley Rd. / N Golf Club Dr. (33.71264, -111.86755) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Elliptical shaped. ICD = 165 ft x 130 ft. |
Cedar Rapids,
IA Linn County United States |
10th St. SE / 8th Ave. SE / Mount Vernon Rd. SE (41.97807, -91.65365) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://www.thegazette.com/local-government/government-notes-cedar-rapids-opens-new-roundabout-on-mount-vernon-road/ |
Sanford,
FL Seminole County United States |
SR 46 / Longwood Markham Rd. / SR 46-SR 429 Ramps (28.81487, -81.40566) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 64.0080 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) |
2021 | |
Burnside,
NS Halifax Canada |
Burnside Dr. / Akerley Blvd. (44.72910, -63.58599) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 60.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2023 | Year Completed estimated (2023-2024). |
Belton,
MO Cass County United States |
S Mullen Rd. / E Cambridge Rd. (38.79909, -94.51296) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | Year Completed estimated (2024-2025). |
Port Wentworth,
GA Chatham County United States |
International Trade Pkwy. / Little Hearst Pkwy. (32.18100, -81.18378) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.7200 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2020 | Year Completed estimated (2020-2021). |
Shakopee,
MN Scott County United States |
Eagle Creek Blvd / Vierling Dr (44.78342, -93.48206) |
Roundabout Existing |
All-Way Yield Other |
4 Approaches 0 Driveways 15.2400 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Double left-turn on north leg. Other control is warning lights that emergency vehicles are approaching. See the video for them. https://www.youtube.com/watch?v=vMYxApGIW7E |
Carver,
MN Carver County United States |
Jonathan Carver Pkwy. / Dahlgren Rd. / 6th St. W (44.76130, -93.64302) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2021 | |
Gaylord,
MI Otsego County United States |
S Otsego Ave. (I-75 Business) / McCoy Rd. W (45.00258, -84.67734) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.michigan.gov/mdot/news-outreach/pressreleases/2024/07/03/traffic-changes-for-i-75-bl-south-otsego-ave-project-in-gaylord-start-july-9 |
Kitchener,
ON Waterloo Canada |
Fischer Hallman Rd. / Rosenberg Way (43.39622, -80.49481) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | Yield-controlled right-turn bypass lanes on north and west legs. https://www.regionofwaterloo.ca/en/living-here/fischer-hallman-bleams-to-plains.aspx |
Kitchener,
ON Waterloo Canada |
Fischer Hallman Rd. / Wallaceton Way (43.37951, -80.48783) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 48.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.regionofwaterloo.ca/en/living-here/fischer-hallman-bleams-to-plains.aspx |
Kitchener,
ON Waterloo Canada |
Bleams Rd. / Commonwealth St. / Abram Clemens St. (43.40059, -80.50162) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 47.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2024 | https://www.regionofwaterloo.ca/en/living-here/bleams-road-fischer-hallman-to-trussler.aspx |
Midland,
TX Midland County United States |
Thomason Dr. / W Illinois Ave. / Beal Pkwy. (31.98180, -102.14644) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2022 | |
Westfield,
IN Hamilton County United States |
E 181st St. / Wheeler Rd. (40.04993, -86.14190) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://mcusercontent.com/3b4615471287568023972d947/images/43b7e87b-2e4c-c0a5-c283-57fe838db290.jpg |
Flagstaff,
AZ Coconino Co. United States |
N 4th St. / E Lockett Rd. / E Cedar Ave. (35.21820, -111.61353) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | https://azdailysun.com/gallery-cedar-lockett-4th-roundabout-opens/collection_14d396bd-314b-4a8e-a566-738b7e1b0b4d.html#2 |
Charlton,
MA Worcester Co. United States |
US 20 (Southbridge Rd.) / Oxbow Rd. (42.15929, -71.90133) |
Roundabout Existing |
All-Way Yield Unknown |
3 Approaches 0 Driveways 51.8160 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | |
Springfield,
MA Hampden Co. United States |
Saint James Ave. / Tapley St. (42.12539, -72.56763) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 42.6720 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2025 | |
Framingham,
MA Middlesex Co. United States |
Concord St. / Union Ave. (42.27911, -71.41673) |
Roundabout Removed |
Signal Unknown |
3 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2016 | Traffic circle was originally completed at some point between 2002 and 2003. Removed in 2016. |