City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Springfield,
OR Lane United States |
Maple Island Rd./Game Farm Rd. East (44.08580, -123.03510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways |
Other Single-Lane |
2002 | One leg is driveway, 4th leg is future. |
Springfield,
OR Lane United States |
58th St./Thurston Rd. (44.05320, -122.92640) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Previously controlled by two-way stop Functional Class: Arterial |
Springfield,
OR Lane United States |
Maple Island Rd./Facility Entrance (44.08710, -123.03510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2002 | Functional class is local street. |
Springfield,
OR Lane United States |
Maple Island Rd./International Way (44.08840, -123.03490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | |
Tamarack Resort,
ID Valley United States |
Village Dr./Whitewater Dr. (44.67280, -116.11770) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2005 | None. |
Scottsdale,
AZ Maricopa United States |
E. Oak St./N. 70th St. (33.47301, -111.93050) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | |
Kennewick,
WA Benton United States |
12th Ave./Irving St. (46.19768, -119.19670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Functional Class: Collector |
Gig Harbor,
WA Pierce United States |
Borgen Blvd./51st (47.35959, -122.60640) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways |
Other Single-Lane |
2002 | In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial |
Gig Harbor,
WA Pierce United States |
Borgen Blvd./SR 16 SB Ramps (47.35868, -122.61610) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
2004 | Opened March 2004. |
Kent,
WA King 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 |
Other Single-Lane |
2001 | Opened July 2001. |
Scottsdale,
AZ Maricopa United States |
N. 68th St./E. Cholla St. (33.58953, -111.93550) |
Neighborhood Traffic Circle Existing |
All-Way Yield None |
0 Approaches 0 Driveways |
Other Single-Lane |
2003 | Completed with traffic calming project. |
Northglenn,
CO Adams United States |
Melody Dr./Kennedy Dr. (39.89222, -104.99270) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Roundabout is single-lane except for NB approach with separate RT lane. |
Littleton,
CO Arapahoe United States |
Elati St./Arapahoe Rd. (39.59515, -104.99770) |
Neighborhood Traffic Circle Existing |
Two-Way Stop None |
4 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Collector | |
Littleton,
CO Arapahoe United States |
Elati St./Briarwood St. (39.59236, -104.99770) |
Neighborhood Traffic Circle Existing |
Two-Way Stop None |
4 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Collector | |
Frisco,
CO Summit United States |
SH 9/I-70 WB Ramps (39.59339, -106.09700) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
2000 | Highway ref. pt. 70-202.35. |
Calabasas,
CA Los Angeles United States |
Parkway Calabasas/Camino Portal (34.13878, -118.65890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other 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 |
London,
ON Middlesex County Canada |
Lambton Dr./Oxford Dr. (43.00616, -81.27515) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
5 Approaches 0 Driveways |
Other Single-Lane |
Constructed sometime in the 1970s. Functional Class: Local | |
Amelia Island,
FL Nassau United States |
Beach Walker Rd./Beachwood Rd. (30.55425, -81.44608) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | Functional Class: Local |
Seward,
NE Seward United States |
7th St./6th Ave./8th Ave. (40.91742, -97.10029) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Local | |
Brookfield,
IL Cook United States |
Grand Blvd./Washington St. (41.82755, -87.85150) |
Other Existing |
Unknown Unknown |
8 Approaches 0 Driveways |
Other Single-Lane |
I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local | |
Golden,
CO Jefferson United States |
S. Golden Rd./Ulysses St. (39.73771, -105.19390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other 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 |
Grand Junction,
CO Mesa United States |
Horizon Dr./12th St. (39.10168, -108.55220) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | |
Howard,
WI Brown United States |
Glendale Ave./Hillcrest Heights (44.56551, -88.09801) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2008 | Opened August 1, 2008. |
Lake Oswego,
OR Clackamas United States |
Carman Dr./Meadows Rd./Quarry Rd. (45.41700, -122.72490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | Functional Class: Collector |
Bend,
OR Deschutes United States |
SW Colorado Ave./Simpson St. (44.04770, -121.32290) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Functional Class: Arterial |
Clearwater,
FL Pinellas United States |
Mandalay Ave./Acacia St. (27.98970, -82.82660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other 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 |
Boynton Beach,
FL Palm Beach United States |
Hagen Ranch Rd./Charleston Shores Blvd. (26.56520, -80.15560) |
Roundabout Existing |
All-Way Yield Active Pedestrian Warning (flashing yellow) |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | |
Boynton Beach,
FL Palm Beach United States |
Hagen Ranch Rd./Gateway Blvd./Aberdeen Lakes Rd. (26.54660, -80.16390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Date estimated. |
Boynton Beach,
FL Palm Beach United States |
Hagen Ranch Rd./Le Chalet Blvd. (26.55650, -80.15710) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Date estimated. |
Delray Beach,
FL Palm Beach United States |
Lake Ida Rd./Via Flora Dr. (26.46919, -80.13670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | Fatal crash January 28, 2005. 11861-05. |
Amelia Island,
FL Nassau United States |
SR A1A/Amelia Island Plantation (30.55717, -81.45006) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | |
Littleton,
CO Arapahoe United States |
Franklin St./Cherryville Rd. (39.61832, -104.96920) |
Neighborhood Traffic Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
||
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 | |
Greenwood Village,
CO Arapahoe United States |
Peoria St./Cherry Creek Dr. (39.61015, -104.84800) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
Golden,
CO Jefferson United States |
Jefferson County Pkwy./Civic Center (39.72717, -105.19940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Feeds parking lot |
Little Rock,
AR Pulaski United States |
36th St./Romine Rd./West Rd. (34.72098, -92.38181) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial |
Boulder,
CO Boulder United States |
Arapahoe Ave./4th St. (40.01294, -105.29160) |
Neighborhood Traffic Circle Existing |
Two-Way Stop None |
3 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Arapahoe Ave./5th St. (40.01295, -105.28920) |
Neighborhood Traffic Circle Existing |
Two-Way Stop None |
3 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Balsam Ave./14th St. (40.02675, -105.27840) |
Neighborhood Traffic Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Balsam Ave./15th St. (40.02675, -105.27660) |
Neighborhood Traffic Circle Existing |
All-Way Yield 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 |
||
Boulder,
CO Boulder United States |
Kings Ridge Blvd./Edison Ave. (40.03098, -105.23950) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Kings Ridge Blvd./Franklin Dr. (40.03237, -105.23960) |
Other Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
Boulder,
CO Boulder United States |
Maxwell Ave./6th St. (40.02176, -105.28860) |
Neighborhood Traffic Circle Existing |
Two-Way Stop None |
4 Approaches 0 Driveways |
Other Single-Lane |
||
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 |