|
City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways |
Functional Class / LaneType |
Year Completed | Comments |
|---|---|---|---|---|---|---|---|
|
Portland,
OR Multnomah United States |
NE Mt. Hood Avenue/Frontage Road (PDX airport) (45.57770, -122.55950) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | Previously controlled by two-way stop 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 | |
|
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. |
|
Lacey,
WA Thurston United States |
Marvin Rd./Britton Pkwy. (47.06905, -122.77090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2000 | Completed September 14, 2000. Functional Class: Arterial |
|
Duvall,
WA King United States |
SR 203 (Carnation-Duvall Rd.)/124th St./Novelty Hill (47.70910, -121.98440) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2004 | http://www.wsdot.wa.gov/projects/sr203/NE124thNoveltyRd/ Functional Class: Arterial |
|
Gig Harbor,
WA Pierce United States |
Borgen Blvd./SR 16 NB Ramps/Burnham Dr. (47.35843, -122.61260) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways |
Freeway Ramps Multilane (2 Lane) |
2001 | Oval shaped central island. 6 legged configuration includes a on-ramp (outbound)leg. Central island is used as a roadway storm detention pond. Completed Summer/Fall 2001. Previously controlled by one-way stop |
|
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 |
|
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 | |
|
Scottsdale,
AZ Maricopa United States |
N. 74th St./E. Sweetwater Ave. (33.60395, -111.92150) |
Neighborhood Traffic Circle Existing |
All-Way Yield None |
0 Approaches 0 Driveways |
Other Unknown |
2003 | Modified by City in 2005 to improve operation as roundabout. |
|
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 |
|
Lexington,
KY Lexington-Fayette United States |
Old Frankfort Pike/Alexandria Dr. (38.06978, -84.55798) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Unknown |
2010 | |
|
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 | |
|
Lafayette,
LA Lafayette United States |
Settlers Trace/River Ranch Dr. (30.17073, -92.03625) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2001 | This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector |
|
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 | |
|
Hebron,
KY Kenton United States |
North Bend Rd./Graves Rd. (39.09924, -84.71848) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Unknown |
2009 | |
|
Seattle,
WA King United States |
Sunnyside Ave. N/N. 43rd St. (47.65912, -122.33020) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways |
Other Unknown |
2006 | |
|
Okemos,
MI Ingham United States |
Hamilton Rd./Marsh Rd. (42.71625, -84.42687) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2000 | |
|
Dimondale,
MI Eaton United States |
East Rd./Creyts Rd. (42.64745, -84.64297) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Unknown |
2001 | British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf |
|
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. |
|
Henderson (Seven Hills),
NV Clark United States |
Grand Hills Dr./Rio Secoo Golf Club (35.97713, -115.11100) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
1998 | Functional Class: Collector |
|
Topeka,
KS Shawnee United States |
SW 29th St./Urish Rd. (39.01450, -95.78090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2001 | Completed July 2001. Retail shopping center on SW corner. Converted to double-lane roundabout 2010. Functional Class: Arterial |
|
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 |
||
|
Howard,
WI Brown United States |
Lineville Rd. (CTH M)/Cardinal Ln. (CTH EB) (44.59090, -88.08430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Roundabout is near Forest Glen Elementary School, Lineville Intermediate School, and Bay Port High School. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Functional Class: Arterial |
|
Howard,
WI Brown United States |
Lineville Rd. (CTH M)/Rockwell Ln. (44.59080, -88.08880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1999 | Roundabout is adjacent to Lineville Intermediate School, Middle School, and High School. School did not allow pedestrian crossings prior to roundabout due to unsafe conditions, now allows crossings using crossing guard. Completed October 1999. http://www.co.brown.wi.us/Planning/roundabouts.html Previously controlled by one-way stop 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 | |
|
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 |
|
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 |
|
Malta,
NY Saratoga United States |
Rte 67 (Dunning St.)/State Farm Pl. (42.96991, -73.80676) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways |
Other Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. |
|
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 |
|
The Villages,
FL Sumter United States |
Buena Vista Blvd./Old Mill Run (28.90720, -81.98250) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2003 | Bypass lane for southbound through movement in addition to two entry lanes. |
|
The Villages,
FL Sumter United States |
Morse Blvd./Mariposa Way/Mission Hills Run (28.91829, -81.96940) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2003 | |
|
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 | |
|
St. George,
UT Washington 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 |
Freeway Ramps Multilane (2 Lane) |
2006 | Combines interchange ramps and frontage road. |