City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Town and Country,
MO St. Louis United States |
MO 141 SB Ramps/Woods Mill Rd. (38.63523, -90.51449) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
2002 | Previously controlled by one-way stop |
Encinitas,
CA San Diego United States |
Leucadia Blvd/Hymettus Ave (33.06470, -117.29620) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | Previously controlled by two-way stop Functional Class: Collector |
Westfield,
NJ Union United States |
NJ 28/E. Broad St. (Westfield Circle) (40.64849, -74.35027) |
Rotary Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Multilane (2 Lane) |
Functional Class: Arterial | |
Seattle,
WA King United States |
2nd Ave. NE/NE 91st St. (47.69499, -122.32710) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Seattle,
WA King United States |
Linden Ave. N/N. 36th St. (47.65116, -122.34860) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Seattle,
WA King United States |
Woodlawn Ave. N/N. 36th St. (47.65051, -122.33870) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Seattle,
WA King United States |
18th Ave. E./E. Spring St. (47.61154, -122.30890) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
||
Seattle,
WA King United States |
4th Ave. N/N. Prospect St. (47.62890, -122.34880) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Omaha,
NE Douglas United States |
N Saddle Creek Rd./Country Club Ave./Seward St./50th St./Happy Hollow Rd. (41.27431, -95.99039) |
Roundabout Existing |
Unknown Unknown |
8 Approaches 0 Driveways |
Other Single-Lane |
2003 | Dogbone/peanut shape. |
Rosemont,
MD Frederick United States |
MD 17/MD 180 (39.33768, -77.63950) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | |
Gordonsville,
VA Orange United States |
James Madison Hwy/N. Main St./Spotswood Trl. (38.14261, -78.18947) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Ridgeland,
MS Madison United States |
Old Agency Rd/Highland Colony Pkwy (32.43125, -90.14893) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2004 | Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector |
Seattle,
WA King United States |
Densmore Ave. N/N 137th St. (47.72867, -122.33830) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Boulder,
CO Boulder United States |
Pearl St./4th St. (40.01571, -105.29050) |
Neighborhood Traffic Circle Existing |
Unknown None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Pearl St./Mid-Block (40.01501, -105.29390) |
Neighborhood Traffic Circle Existing |
Unknown None |
2 Approaches 0 Driveways |
Other Single-Lane |
Facilitates U-turns at west end of Pearl Street | |
Boulder,
CO Boulder United States |
Pine St./15th St. (40.02072, -105.27670) |
Neighborhood Traffic Circle Existing |
Unknown None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Pine St./17th St. (40.02126, -105.27410) |
Neighborhood Traffic Circle Existing |
Unknown None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Evergreen Ave./9th St. (40.03106, -105.28560) |
Neighborhood Traffic Circle Existing |
Unknown None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Seattle,
WA King United States |
21st Ave. E/E. Republican St. (47.62320, -122.30470) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Columbia,
MO Boone United States |
I-70 Business Loop/I-70 WB Ramps/Creasy Springs Rd. (38.96658, -92.35235) |
Roundabout Existing |
Unknown Unknown |
5 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
2000 | |
Windsor,
CO Weld United States |
Ptarmigan Bus Pk/near SH 392 (40.48121, -104.98870) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Henrietta,
NY Monroe United States |
Andrews Memorial Dr./Lomb Memorial Dr. (43.08770, -77.67448) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | On campus of Rochester Institute of Technology. |
Hyannis,
MA Barnstable United States |
Iyannough Rd./Barnstable Rd./Falmouth Rd. (41.66512, -70.28732) |
Rotary Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
||
Belmar,
NJ Monmouth United States |
10th Ave./B St. (40.17772, -74.01782) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Belmar,
NJ Monmouth United States |
10th Ave./D St. (40.17855, -74.02169) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Summit,
NJ Union United States |
Union Pl./Beechwood Rd. (40.71691, -74.35757) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
||
Maplewood,
NJ Essex United States |
Midland Blvd./Highland Ave. (40.73043, -74.25748) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Maplewood,
NJ Essex United States |
Midland Blvd./Norfolk Ave. (40.73111, -74.25972) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Olathe,
KS Johnson United States |
S. Ridgeview Rd./E. Loula St. (38.88069, -94.79726) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | Completed August 2004. |
Seattle,
WA King United States |
22nd Ave. E/E. Thomas St. (47.62138, -122.30360) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
Greenwood Village,
CO Arapahoe United States |
S. Monaco St./E. Berry Ave. (39.61682, -104.91340) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Greenwood Village,
CO Arapahoe United States |
S. Monaco St./E. Dorado Ave. (39.61319, -104.91350) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Greenwood Village,
CO Arapahoe United States |
S. Monaco St./E. Dorado Pl. (39.61199, -104.91350) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Greenwood Village,
CO Arapahoe United States |
S. Monaco St./E. Ida Ave. (39.61082, -104.91350) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Greenwood Village,
CO Arapahoe United States |
S. Monaco St./E. Powers Ave. (39.61501, -104.91350) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Greenwood Village,
CO Arapahoe United States |
S. Monaco St./E. Prentice Pl. (39.61977, -104.91350) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Colorado Springs,
CO El Paso United States |
Beech Ave./1st St. (38.79048, -104.84660) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Colorado Springs,
CO El Paso United States |
Chapel Hills Dr./Royal Pine Dr. (38.98067, -104.77060) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | |
East Lansing,
MI Ingham United States |
Wilson Rd./Red Cedar Rd. (42.72324, -84.48238) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Unknown |
||
Indianapolis,
IN Marion United States |
Market St./Meridian St. (Monument Circle) (39.76848, -86.15804) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
Most famous traffic circle in the State of Indiana. Completed 1820. Functional Class: Local | |
Winchester,
VA Frederick United States |
Commonwealth Ct./(parking lot) (39.12518, -78.19009) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2007 | |
Parkville,
MO Platte United States |
National Dr./Ridge Rd. (39.21333, -94.70781) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Local | |
Boulder,
CO Boulder United States |
St. Johns St./New Haven Ct. (Hampton Circle) (40.04742, -105.24740) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
1997 | |
Fruita,
CO Mesa United States |
Aspen Ave./Mesa St. (Park Square) (39.15884, -108.73360) |
Other Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
Completed 1940? | |
Colorado Springs,
CO El Paso United States |
Pine Manor Dr./Stoneglen Dr. (38.96827, -104.76670) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
Fort Collins,
CO Larimer United States |
Mt. Vernon Ct./New Bedford Dr./Ticonderoga Dr. (40.53008, -105.05420) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector | |
Somerville,
NJ Somerset United States |
US 202/US 206/NJ 28 (40.57572, -74.62894) |
Rotary Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Multilane (2 Lane) |
This was and probably still is a traffic circle with the 202 freeway passing overhead. The traffic in the circle yielded to southbound 206 traffic entering the circle. 202 & 206 multiplexed to the north. | |
East Lansing,
MI Ingham United States |
Bogue St./Wilson Rd. (42.72326, -84.47186) |
Other Removed |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Unknown |
||
Fort Collins,
CO Larimer United States |
Stanton Creek Dr./St. Thomas Dr. (40.49066, -105.05590) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Local | |
Fort Collins,
CO Larimer United States |
Stanton Creek Dr./Tortola Way (40.48999, -105.05430) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Local |