City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
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 |
||
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 |
||
Encinitas,
CA San Diego United States |
Leucadia Blvd/Hermes Ave (33.06482, -117.30010) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | Previously controlled by two-way stop Functional Class: Collector |
Normal,
IL McLean United States |
Beaufort St./North St. (40.50926, -88.98420) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2009 | Both a traffic solution and centerpiece for significant downtown redevelopment. Completed Fall 2004. Previously controlled by two-way stop Functional Class: Local |
Amelia Island,
FL Nassau United States |
SR A1A/Beachwood Rd. (30.55541, -81.44933) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | Functional Class: Arterial |
Dumont / Cresskill,
NJ Bergen United States |
Madison Ave./Knickerbocker Rd. (Monument) (40.94127, -73.97681) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local | |
Davis,
CA Yolo United States |
5th St./Cantrill Dr. (38.55160, -121.72010) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1998 | Police station on SW corner. Date estimated. |
Woodland,
CA Yolo United States |
Gum Ave./Bourn Dr. (38.66820, -121.74710) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other 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 |
Davis,
CA Yolo United States |
Moore Blvd./Rockwell Dr. (38.56830, -121.72630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | Date estimated. Functional Class: Local |
Davis,
CA Yolo United States |
Moore Blvd./Wright Blvd. (38.56490, -121.71860) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | Date estimated. Functional Class: Local |
Anchorage,
AK Anchorage United States |
Southport Dr./Maritime Loop/Washington Ave. (61.12706, -149.92590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | The first winter resulted in several accidents, including the loss of a number of light poles around the circle. In response, minor modifications were made to the roundabout in 2002. |
Fort Wayne,
IN Allen United States |
Adams Center Rd./Marion Center Rd./Maples Rd./Wayne Terr. (41.00440, -85.05704) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Other Single-Lane |
1995 | Year Completed estimated (before 1998). Functional Class: Collector |
Bloomington,
IN Monroe United States |
High St./Winslow Rd./Rogers Rd. (39.13631, -86.50819) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | $497,000 construction cost. |
Mount Pleasant,
SC Charleston United States |
Rifle Range Rd./Bowman Rd. (Veterans Circle) (32.80469, -79.84284) |
Roundabout Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | Year Completed estimated (1994-2002) |
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 |
Guelph,
ON Wellington County Canada |
Summerfield Dr./Colonial Dr. (43.51809, -80.18253) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Located in Pine Ridge East residenital subdivision Functional Class: Collector |
Moses Lake,
WA Grant United States |
Yonezawa Blvd./Clover Dr./Kittleson Rd. (47.10387, -119.25730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Part of series of 3 roundabouts. Functional Class: Collector |
Moses Lake,
WA Grant United States |
Yonezawa Blvd./Leanne Ave. (47.10454, -119.27060) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Completed fall 2001. Part of series of 3 roundabouts. Functional Class: Collector |
Bend,
OR Deschutes United States |
Mt. Washington Dr./Simpson Ave. (44.04736, -121.34400) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2013 | |
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 |
Bel Air,
MD Harford United States |
Tollgate Rd./Wheel Rd. (39.48999, -76.32914) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 |
Fairbanks,
AK Fairbanks North Star United States |
Thompson Dr/Tanana Loop Dr (64.85564, -147.84200) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | The site is on the University of Alaska, Fairbanks, school campus. The project constructed a new entrance onto the campus intersecting by means of a roundabout with an existing three leg stop controlled intersection. Previously controlled by one-way stop Functional Class: Collector |
Murray,
KY Calloway United States |
Gilbert Groves Dr./Murray State University parking lot (36.62003, -88.31861) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | |
Bainbridge Island,
WA Kitsap United States |
High School Rd./Madison Ave. (47.63579, -122.52100) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Greatly reduced congestion. Initial public opposition has turned to full support. Project located next to 3 schools. Separated sidewalks, timed yellow flashing lights during school crossing. Crossing guards. Near Library & Shopping Center. Opened October 2000. Functional Class: Arterial |
Bel Air,
MD Harford United States |
MD 7/Holly Oaks Drive (39.48848, -76.21669) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | Opened September 1999. |
North Harford,
MD Harford United States |
MD 165/MD 24 (39.67220, -76.40930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Rural Previously controlled by two-way stop |
Scottsdale,
AZ Maricopa United States |
N. 104th St./E. Cholla St. (33.58976, -111.85660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | |
Rising Sun,
MD Cecil United States |
MD 273 (Rising Sun Rd.)/MD 276 (Jacob Tome Memorial Hwy.) (39.69595, -76.08018) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | |
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 | |
Tooele,
UT Tooele United States |
W 2000 N/N 70 W (40.56555, -112.30310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
North Haven,
NY Suffolk United States |
Tyndall Road/Rte. 114 (Ferry Rd.) (41.01303, -72.31309) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Replaced a dangerous 2-way stop. Previously controlled by two-way stop |
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. |
Millington,
MD Kent United States |
MD 291/US 301 SB Ramps (39.26463, -75.86641) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
1999 | Opened August 1999. |
Millington,
MD Kent United States |
MD 291/US 301 NB Ramps (39.26386, -75.86260) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
1999 | Opened August 1999. |
Scottsdale,
AZ Maricopa United States |
N. 70th Pl./E. Chaparral Rd. (33.50954, -111.92900) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
Oak Grove,
MD Prince Georges United States |
MD 193 (Watkins Park Dr.)/Oak Grove Rd. (38.87737, -76.78108) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2001 | |
Temple Hills,
MD Prince Georges United States |
MD 637 (Naylor Rd.)/Good Hope Ave. (38.84922, -76.95655) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | |
Temple Hills,
MD Prince Georges United States |
MD 637 (Naylor Rd.)/Oxon Run Dr. (38.84986, -76.95789) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | |
Castle Marina,
MD Queen Annes United States |
MD 18/Castle Marina Rd. (38.97871, -76.28938) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Previously controlled by two-way stop |
Kennewick,
WA Benton United States |
Columbia Park Drive #1 (46.22221, -119.15110) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2001 | Completed February 2001. Functional Class: Local |
Kennewick,
WA Benton United States |
Columbia Park Drive #2 (46.22223, -119.14630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2001 | Completed February 2001 Functional Class: Local |