City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
The Villages,
FL Sumter Co. United States |
Morse Blvd. / Mariposa Way / Mission Hills Run (28.91829, -81.96940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.4974 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2003 | 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. |
St. George,
UT Washington Co. United States |
E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd. (37.05999, -113.58560) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 78.1526 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2006 | Combines interchange ramps and frontage road. ICD estimated from Google Maps linework. |
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. |
Clemmons,
NC Forsyth Co. United States |
Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout) (36.07380, -80.39124) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9598 |
Other (At-Grade) Single-Lane |
2002 | Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Willimantic,
CT Windham Co. United States |
Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.0693 |
Other (At-Grade) Single-Lane |
1999 | Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework. |
Stafford Springs,
CT Tolland Co. United States |
Rte 32 / Rte 190 (41.95362, -72.30314) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 18.6523 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1890 | Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). 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 |
Little Rock,
AR Pulaski Co. United States |
36th St. / Romine Rd. / West Rd. (34.72098, -92.38181) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.5782 |
Other (At-Grade) Single-Lane |
2001 | Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework. |
Boulder,
CO Boulder Co. United States |
Arapahoe Ave. / 4th St. (40.01294, -105.29160) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Boulder,
CO Boulder Co. United States |
Arapahoe Ave. / 5th St. (40.01295, -105.28920) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
3 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
||
Boulder,
CO Boulder Co. United States |
Balsam Ave. / 14th St. (40.02675, -105.27840) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 16.4619 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Balsam Ave. / 15th St. (40.02675, -105.27660) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 8.2310 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Evergreen Ave. / 9th St. (40.03106, -105.28560) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 16.4609 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Kings Ridge Blvd. / Edison Ave. (40.03098, -105.23950) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.7768 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Kings Ridge Blvd. / Franklin Dr. (40.03237, -105.23960) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.4342 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Maxwell Ave. / 6th St. (40.02176, -105.28860) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 12.8046 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Pearl St. / 4th St. (40.01571, -105.29050) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 20.1234 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Pearl St. / Mid-Block (40.01501, -105.29390) |
Traffic Calming Circle Existing |
Unknown None |
2 Approaches 0 Driveways 16.4647 |
Other (At-Grade) Single-Lane |
Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Pine St. / 15th St. (40.02072, -105.27670) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 16.4634 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Boulder,
CO Boulder Co. United States |
Pine St. / 17th St. (40.02126, -105.27410) |
Traffic Calming Circle Existing |
Unknown None |
4 Approaches 0 Driveways 10.9755 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Aspen,
CO Pitkin Co. United States |
SR 82 / Maroon Creek Rd. / Castle Creek Rd. (39.19557, -106.84025) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 60.9600 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | |
Denver,
CO Denver Co. United States |
E. Lowry Blvd. / N. Uinta Way (39.71986, -104.89070) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.5258 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Denver,
CO Denver Co. United States |
E. Lowry Blvd. / Yosemite St. (39.72373, -104.88400) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 51.4416 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | ICD estimated from Google Maps linework. |
Frisco,
CO Summit Co. United States |
SH 9 / I-70 WB Ramps (39.59339, -106.09700) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 34.0524 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Highway ref. pt. 70-202.35. ICD estimated from Google Maps linework. |
Calabasas,
CA Los Angeles Co. United States |
Parkway Calabasas / Camino Portal (34.13878, -118.65890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.6442 |
Other (At-Grade) Single-Lane |
2001 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.6526 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Utah St. (39.73919, -105.19620) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.8782 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
S. Golden Rd. / Ulysses St. (39.73771, -105.19390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.5734 |
Other (At-Grade) Single-Lane |
1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. |
Grand Junction,
CO Mesa Co. United States |
Horizon Dr. / 12th St. (39.10165, -108.55234) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
1998 | Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout. |
Howard,
WI Brown Co. United States |
Glendale Ave. / Hillcrest Heights (44.56551, -88.09801) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.9305 |
Other (At-Grade) Single-Lane |
2008 | Opened August 1, 2008. ICD estimated from Google Maps linework. |
Lake Oswego,
OR Clackamas Co. United States |
SW Carman Dr. / SW Meadows Rd. / SW Quarry Rd. (45.41700, -122.72490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.3422 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Colorado Ave. / SW Simpson St. (44.04770, -121.32290) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 41.2050 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Clearwater,
FL Pinellas Co. United States |
Mandalay Ave. / Acacia St. (27.98970, -82.82660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.4750 |
Other (At-Grade) Single-Lane |
2001 | Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd. (26.54660, -80.16390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 23.5051 |
Other (At-Grade) Single-Lane |
2000 | Date estimated. ICD estimated from Google Maps linework. |
Boynton Beach,
FL Palm Beach Co. United States |
Hagen Ranch Rd. / Le Chalet Blvd. (26.55650, -80.15710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.2298 |
Other (At-Grade) Single-Lane |
2000 | Date estimated. ICD estimated from Google Maps linework. |
Delray Beach,
FL Palm Beach Co. United States |
Lake Ida Rd. / Via Flora Dr. (26.46919, -80.13670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.5900 |
Other (At-Grade) Single-Lane |
1998 | Fatal crash January 28, 2005. 11861-05. ICD estimated from Google Maps linework. |
Amelia Island,
FL Nassau Co. United States |
SR A1A / Amelia Island Plantation (30.55717, -81.45009) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2001 | Year Completed estimated (1999-2003). |
Littleton,
CO Arapahoe Co. United States |
Franklin St. / Cherryville Rd. (39.61832, -104.96920) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 8.2800 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Greenwood Village,
CO Arapahoe Co. United States |
Peoria St. / Cherry Creek Dr. (39.61015, -104.84800) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.7631 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Golden,
CO Jefferson Co. United States |
Jefferson County Pkwy. / Civic Center (39.72717, -105.19940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.9051 |
Other (At-Grade) Single-Lane |
2000 | Feeds parking lot ICD estimated from Google Maps linework. |
Columbine,
CO Jefferson Co. United States |
S. Simms St. / W. Quincy Ave. (39.63865, -105.12860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.0301 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Northglenn,
CO Adams Co. United States |
Melody Dr. / Kennedy Dr. (39.89222, -104.99270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.6541 |
Other (At-Grade) Single-Lane |
1999 | Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework. |
Littleton,
CO Arapahoe Co. United States |
Elati St. / Arapahoe Rd. (39.59515, -104.99770) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 11.0437 |
Other (At-Grade) Single-Lane |
Functional Class: Collector ICD estimated from Google Maps linework. | |
Littleton,
CO Arapahoe Co. United States |
Elati St. / Briarwood St. (39.59236, -104.99770) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop None |
4 Approaches 0 Driveways 5.5221 |
Other (At-Grade) Single-Lane |
Functional Class: Collector ICD estimated from Google Maps linework. | |
Loveland,
CO Larimer Co. United States |
Rocky Mountain Ave. / Foxtrail Dr. (40.40924, -105.00230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.9231 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1994 | Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Rocky Mountain Ave. / McWhinney Blvd. (40.41059, -105.00230) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.6504 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1994 | Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. |
Milwaukee,
WI Milwaukee Co. United States |
S. 6th St. / W. Virginia St. / Florida St. (43.02698, -87.91770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.7816 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework. |
Kennewick,
WA Benton Co. United States |
12th Ave. / Irving St. (46.19768, -119.19670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 42.9874 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Collector ICD estimated from Google Maps linework. |
Gig Harbor,
WA Pierce Co. United States |
Borgen Blvd. / SR 16 SB Ramps (47.35868, -122.61610) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.8342 |
Freeway Ramps (Grade-Separated) Single-Lane |
2004 | Opened March 2004. ICD estimated from Google Maps linework. |
Kent,
WA King Co. United States |
S. 216th St. / 42nd Ave. S / 40th Pl. S (47.40843, -122.28120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 23.4402 |
Other (At-Grade) Single-Lane |
2001 | Opened July 2001. ICD estimated from Google Maps linework. |
Scottsdale,
AZ Maricopa Co. United States |
N 68th St. / E Cholla St. (33.58949, -111.93552) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2003 | Completed with traffic calming project. |
Lacey,
WA Thurston Co. United States |
Marvin Rd. NE / Main St. NE (47.06709, -122.76828) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Roundabout installed, although cross street not initially constructed. |
Sammamish,
WA King Co. United States |
NE Inglewood Hill / 216th Ave. NE (47.61554, -122.05180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.3989 |
Other (At-Grade) Single-Lane |
2001 | October 2001. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / 56th St. W (47.20565, -122.56890) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.3417 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / 62nd Ct. W / Park Entrance (47.20033, -122.56890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.7785 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Bristonwood Dr. / 48th St. W (47.21334, -122.56880) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.9607 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
University Place,
WA Pierce Co. United States |
Grandview Dr. / Cirque Dr. (47.21093, -122.56880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.1506 |
Other (At-Grade) Single-Lane |
2000 | Opened September 2000. ICD estimated from Google Maps linework. |
Wisconsin Rapids,
WI Wood Co. United States |
STH 54 (2nd Ave.) / Gaynor Ave. / 17th Ave. (44.38025, -89.84447) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.3874 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Opened September 2004. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Yakima,
WA Yakima Co. United States |
N. 5th Ave. / Fruitdale Blvd. (46.61242, -120.51870) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 31.1760 |
Other (At-Grade) Single-Lane |
2004 | Completed July 1, 2004. Major street makes a 90-degree turn through the intersection. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NE 8th St. / 9th St. / Franklin Ave. (44.05600, -121.29380) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.7577 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Reed Market Dr. / (no cross street) (44.04080, -121.32790) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 32.6244 |
Other (At-Grade) Single-Lane |
2004 | No cross street, but U-turns allowed. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Reed Market Dr. / SW Bond St. / SW Brookswood Blvd. (44.04047, -121.31678) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2003 | |
Bend,
OR Deschutes Co. United States |
SW Reed Market Dr. / Mt. Bachelor Dr. (44.03830, -121.33340) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.2015 |
Other (At-Grade) Single-Lane |
2002 | Fourth leg was built with completion of new bridge over Deschutes River. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Reed Market Dr. / SW Alderwood Cir. (44.04054, -121.32174) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.1904 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Eugene,
OR Lane Co. United States |
N. Terry St. / Roosevelt Blvd. (44.06371, -123.18825) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 20.5969 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Springfield,
OR Lane Co. United States |
Maple Island Rd. / Game Farm Rd. East (44.08580, -123.03510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 25.7365 |
Other (At-Grade) Single-Lane |
2002 | One leg is driveway, 4th leg is future. ICD estimated from Google Maps linework. |
Springfield,
OR Lane Co. United States |
58th St. / Thurston Rd. (44.05320, -122.92640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 25.7507 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Springfield,
OR Lane Co. United States |
Maple Island Rd. / (parking lot) (44.08710, -123.03510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.1674 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Springfield,
OR Lane Co. United States |
Maple Island Rd. / International Way (44.08840, -123.03490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.1668 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Tamarack Resort,
ID Valley Co. United States |
Village Dr. / Whitewater Dr. (44.67280, -116.11770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.8771 |
Other (At-Grade) Single-Lane |
2005 | None. ICD estimated from Google Maps linework. |
Scottsdale,
AZ Maricopa Co. United States |
E. Oak St. / N. 70th St. (33.47301, -111.93050) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.9249 |
Other (At-Grade) Single-Lane |
2003 | ICD estimated from Google Maps linework. |
Kaukauna,
WI Outagamie Co. United States |
CTH J / US 41 SB Ramps (44.30645, -88.24948) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.8965 |
Freeway Ramps (Grade-Separated) Single-Lane |
2010 | Opened October 11, 2010. ICD estimated from Google Maps linework. |
Overland Park,
KS Johnson Co. United States |
110th St. / Lamar Ave. (38.92910, -94.65830) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.3130 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Concrete paving. Adjacent to convention center. ICD estimated from Google Maps linework. |
Overland Park,
KS Johnson Co. United States |
133rd St. / Lamar Ave. (38.88654, -94.65847) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1862 |
Other (At-Grade) Single-Lane |
2006 | Completed May 2006. ICD estimated from Google Maps linework. |
Overland Park,
KS Johnson Co. United States |
W 161st Terr. / W 163rd St. / Flint St. (38.83472, -94.71741) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.3526 |
Other (At-Grade) Single-Lane |
2007 | Built for new development. ICD estimated from Google Maps linework. |
Overland Park,
KS Johnson Co. United States |
Santa Fe Dr. / Conser St. (38.98233, -94.67347) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 36.2076 |
Other (At-Grade) Single-Lane |
2004 | Completed September 2004. ICD estimated from Google Maps linework. |
Tampa,
FL Hillsborough Co. United States |
E. 4th Ave. / Channelside Dr. (27.95773, -82.44586) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.8131 |
Other (At-Grade) Single-Lane |
1995 | No deflection on one approach. ICD estimated from Google Maps linework. |
Rutherford,
NJ Bergen Co. United States |
Park Ave. / Erie Ave. (40.82835, -74.10118) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0152 |
Other (At-Grade) Single-Lane |
2004 | Reconstructed as roundabout in 2004? ICD estimated from Google Maps linework. |
Princeton,
NJ Mercer Co. United States |
Faculty Rd. / Elm Dr. (40.33888, -74.65523) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.2209 |
Other (At-Grade) Single-Lane |
2001 | This roundabout is on University owned roads open to the public. There is a second roundabout similar in dimensions upstream on Elm Drive. Close to an at-grade rail crossing. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Carson City,
NV Carson City Co. United States |
E 5th St. / Fairview Dr. (39.16090, -119.72790) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.5280 |
Other (At-Grade) Single-Lane |
1999 | |
Hinesville,
GA Liberty Co. United States |
Washington Ave. / Memorial Dr. (31.84992, -81.59570) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.5366 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
Brookfield,
WI Waukesha Co. United States |
Barker Rd. (CTH Y) / North Ave. (CTH M) (43.06136, -88.16629) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 34.9042 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2010 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Lakewood,
CO Jefferson Co. United States |
Allison Pkwy. / Civic Center (39.70906, -105.08630) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 31.2390 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lakewood,
CO Jefferson Co. United States |
Arbutus Dr. / W. 2nd Pl. (39.71649, -105.14750) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.5609 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Collector ICD estimated from Google Maps linework. |
Greenbelt,
MD Prince Georges Co. United States |
Hanover Pkwy. / Village Park Dr. / Schrom Hills Community Park entrance (38.98378, -76.87333) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 19.4960 |
Other (At-Grade) Single-Lane |
1998 | Year Completed estimated (1994-2001). ICD estimated from Google Maps linework. |
Superior,
CO Boulder Co. United States |
5th Ave. / Center Dr. (39.95764, -105.17190) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.1262 |
Other (At-Grade) Single-Lane |
1999 | Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework. |
Windsor,
CO Weld Co. United States |
Westgate Dr. / Oakmond St. (40.48121, -104.98870) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2020 | Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg. |
Linton Hall,
VA Prince William Co. United States |
Tartan Hills Pkwy. / Native Rocks Dr. / Seagate Way (38.74593, -77.58755) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1911 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Portsmouth,
VA N/A Co. United States |
Crawford St. / Bart St. (36.83202, -76.29770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.8849 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Colorado Springs,
CO El Paso Co. United States |
Chapel Hills Dr. / Divot Trl. (38.97569, -104.77560) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.7116 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Gypsum,
CO Eagle Co. United States |
I-70 Frontage Roads / US 6 (39.65086, -106.95510) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.3351 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Swinomish Tribal Community,
WA Skagit Co. United States |
SR 20 / Padilla Heights Rd. (48.45519, -122.51940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.2280 |
Other (At-Grade) Single-Lane |
2002 | The ground breaking ceremony was held October 2002. The client is the Swinomish Tribe. Opened October 2002. Functional Class: Local ICD estimated from Google Maps linework. |
La Conner,
WA Skagit Co. United States |
LaConner-Whitney Rd. / Chilberg Rd. / Morris Sr. (48.39234, -122.48660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.5504 |
Other (At-Grade) Single-Lane |
2003 | Roundabout replaces a Y intersection. The center island is under private ownership and contains an exisitng granite monument. Opened September 2003. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
New London,
CT New London Co. United States |
Shaw St. / Pequot Ave. / Nameaug St. / Driveway to Pfizer (41.34204, -72.09873) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.8671 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Collector ICD estimated from Google Maps linework. |
Carmel,
IN Hamilton Co. United States |
Hazel Dell Pkwy. / E 126th St. (39.97119, -86.07069) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1998 | |
Carmel,
IN Hamilton Co. United States |
Hazel Dell Pkwy. / E 131st St. (39.97845, -86.07054) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane, 2x2 max) |
1998 | Built in late 1990s.Converted to multilane 2010-2012. Right-turn-only lane on west leg; left-turn-only lane on east leg. |
Carson City,
NV Carson City Co. United States |
Arrowhead Dr. / I-580 SB Ramp (39.19810, -119.77540) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.7669 |
Freeway Ramps (Grade-Separated) Single-Lane |
2002 | Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework. |