City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Seattle,
WA King Co. United States |
Interlake Ave. N / N 39th St. (47.65411, -122.34130) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 14.4811 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
Killingworth,
CT Middledex Co. United States |
Rte. 80 / Rte. 81 (41.35801, -72.56517) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
1997 | First rotary modification in Connecticut. 21442 |
North Stonington,
CT New London Co. United States |
Rte 2 / Rte 184 (41.42439, -71.86039) |
Rotary Existing |
All-Way Yield None |
4 Approaches 0 Driveways 103.6320 |
Other (At-Grade) Single-Lane |
Yield signs added 1999? | |
New Castle,
CO Garfield Co. United States |
Castle Valley Blvd. / Pyramid St. (39.57959, -107.52880) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 33.1386 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
New Castle,
CO Garfield Co. United States |
Castle Valley Blvd. / (TBD) (39.57517, -107.52190) |
Roundabout Existing |
Unknown Unknown |
2 Approaches 0 Driveways 31.2996 |
Other (At-Grade) Single-Lane |
1999 | Facilitates U-turns. ICD estimated from Google Maps linework. |
Lakewood,
CO Jefferson Co. United States |
S. Allison Pkwy. / W. Virginia Ave. (39.70705, -105.08390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 1 Driveways 33.9964 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Local ICD estimated from Google Maps linework. |
Westminster,
CO Adams Co. United States |
Promenade Dr. S. / (TBD) (39.89188, -105.06330) |
Traffic Calming Circle Existing |
Unknown Unknown |
2 Approaches 0 Driveways 20.1598 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Oskaloosa,
IA Mahaska Co. United States |
Hwy 432 / Old Hwy 163 / Pella Ave. / Orchard Ave. (41.30376, -92.66716) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 35.8882 |
Other (At-Grade) Single-Lane |
2004 | Completed April 2004. Site has sunken hole in central island with tunnels for bike path that passes under circulatory roadway. Experienced two single-vehicle crashes into sunken central island (alcohol-related). ICD estimated from Google Maps linework. |
Newton,
KS Harvey Co. United States |
First St. / I-135 Ramps (38.04250, -97.32240) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 65.8419 |
Freeway Ramps (Grade-Separated) Single-Lane |
2003 | Single-point interchange. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Overland Park,
KS Johnson Co. United States |
W. 141st St. / Bluejacket St. (38.87130, -94.71130) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.6150 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Local ICD estimated from Google Maps linework. |
Duxbury,
MA Plymouth Co. United States |
Lincoln St. / Congress St. (42.05532, -70.72294) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 21.2829 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 NB Ramps (39.15573, -76.74459) |
Roundabout Removed |
All-Way Yield None |
3 Approaches 0 Driveways 26.8575 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Hanover,
MD Anne Arundel Co. United States |
Arundel Mills Blvd. / MD 295 SB Ramps (39.15677, -76.74617) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 66.6797 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Jessup,
MD Howard Co. United States |
Canine Rd. / MD 32 EB Ramps (39.10101, -76.76953) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0005 |
Freeway Ramps (Grade-Separated) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Mount Aetna,
MD Washington Co. United States |
MD 66 (Mapleville Rd.) / Mount Aetna Rd. (39.60243, -77.62425) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 44.1703 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Scaggsville,
MD Howard Co. United States |
Hopkins-Gorman Rd. / US 29 NB Ramps (39.15846, -76.88660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 59.2695 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | ICD estimated from Google Maps linework. |
Medford,
MN Steele Co. United States |
CR 12 / I-35 SB Ramps (44.17364, -93.26057) |
Roundabout Existing |
All-Way Yield None |
6 Approaches 0 Driveways 67.6722 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Maplewood,
MN Ramsey Co. United States |
Frost Ave. / English St. (44.99927, -93.04572) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.5374 |
Other (At-Grade) Single-Lane |
2002 | Completed October 2002. Twenty-year ADT is 15,000. ICD estimated from Google Maps linework. |
Stillwater,
MN Washington Co. United States |
Rutherford Rd. / 72nd St. / New England Pl. (School House Circle) (45.05673, -92.85909) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 55.6830 |
Other (At-Grade) Single-Lane |
1999 | Functional Class: Local ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Ashworth Ave. N / N 38th St. (47.65269, -122.34020) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 160.1009 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
Rochester,
MN Olmsted Co. United States |
College Dr. SE / College Pkwy. SE (north) (44.01949, -92.42918) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 50.2920 |
Other (At-Grade) Single-Lane |
2000 | |
Rochester,
MN Olmsted Co. United States |
UCR Dr. SE / Ucr Pkwy SE (south) (44.01538, -92.43011) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.3809 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Blair,
NE Washington Co. United States |
NE 133 / US 30 (41.51842, -96.14633) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1353 |
Other (At-Grade) Single-Lane |
2004 | Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NE 15th St. / Bear Creek Rd. (44.05150, -121.28400) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.9018 |
Other (At-Grade) Single-Lane |
2005 | Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Awbrey Rd. / NW Sonora Dr. (44.07240, -121.31750) |
Traffic Calming Circle Existing |
All-Way Yield None |
4 Approaches 0 Driveways 24.0262 |
Other (At-Grade) Single-Lane |
Older design. Fourth leg is stub. ICD estimated from Google Maps linework. | |
Draper,
UT Salt Lake Co. United States |
Vestry Rd. / Rocky Mouth Ln. (40.48996, -111.87390) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.2236 |
Other (At-Grade) Single-Lane |
1996 | ICD estimated from Google Maps linework. |
Orem,
UT Utah Co. United States |
E 850 North / N Palisade Dr. (40.31273, -111.66490) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 25.4997 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
Burke Ave. N / N 35th St. (47.64919, -122.33510) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 9.6550 |
Other (At-Grade) Unknown |
ICD estimated from Google Maps linework. | |
Lindon,
UT Utah Co. United States |
400 South / 600 West (Lindon Park Circle) (40.33034, -111.73140) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 33.6873 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Date estimated. ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
1730 North / 1740 West (40.25703, -111.68890) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.3437 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Colorado Springs,
CO El Paso Co. United States |
Promenade Dr. / Royal Pine Dr. (38.96891, -104.74860) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.2859 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
700 East / Center St. (40.23369, -111.64660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 31.9119 |
Other (At-Grade) Single-Lane |
1996 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
1700 North / 1730 North / 1500 West (40.25650, -111.68530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 26.4324 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
300 North / Seven Peaks Blvd. (40.23737, -111.63750) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 33.7337 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1997 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
5000 North / Edgewood Dr. (40.30066, -111.65750) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 19.1282 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Provo,
UT Utah Co. United States |
Veterans Pkwy. / Edgewood Dr. (Shops at Riverwoods) (40.29899, -111.65785) |
Other Removed |
All-Way Yield None |
3 Approaches 0 Driveways 32.0040 |
Other (At-Grade) Single-Lane |
2010 | Initially constructed 1999. Converted 2010-2011 into pedestrian use only as part of outdoor mall. |
Latham,
NY Albany Co. United States |
Latham Circle: Rte 2 / Rte 9 (42.74810, -73.76098) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 76.2000 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2002 | |
Nashua,
NH Hillsborough Co. United States |
SR 130 (Broad St.) / Coburn Ave. / Chuck Drudging Dr. (42.75617, -71.51653) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 28.0619 |
Other (At-Grade) Single-Lane |
2002 | Entrance to north high school, very heavy traffic in AM peak. ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
25th Ave. S / S Dearborn St. (47.59556, -122.30010) |
Traffic Calming Circle Existing |
One-Way/Two-Way Stop Unknown |
0 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Single-Lane |
2006 | |
Seattle,
WA King Co. United States |
26th Ave. S / S. Dearborn St. (47.59555, -122.29880) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 48.3244 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Mt. Washington Dr. / NW Skyliners Rd. (44.05369, -121.35490) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.3425 |
Other (At-Grade) Single-Lane |
2005 | Roundabout constructed with addition of south leg. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Shevlin Park Rd. / Newport Ave. / College Way (44.06240, -121.33770) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6125 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Mt. Washington Dr. / Shevlin Park Rd. (44.06780, -121.35530) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.7584 |
Other (At-Grade) Single-Lane |
2000 | South leg on Mt. Washington Drive added as part of new development. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW Mt. Washington Dr. / NW Crossing Dr. (44.05890, -121.35670) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6144 |
Other (At-Grade) Single-Lane |
2000 | Both roadways brand new as part of new development. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr. (44.03860, -121.33590) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 57.9120 |
Other (At-Grade) Single-Lane |
2001 | Roundabout sized for ultimate conversion to double lane. |
Bend,
OR Deschutes Co. United States |
SW 14th St. / SW Century Dr. / SW Simpson Ave. (44.04790, -121.33160) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.9036 |
Other (At-Grade) Single-Lane |
2002 | Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 14th St. / NW Galveston Ave. (44.05660, -121.33180) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 30.8991 |
Other (At-Grade) Single-Lane |
2002 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 14th St. / Newport Ave. (44.06230, -121.33170) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.6126 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Bend,
OR Deschutes Co. United States |
NW 9th St. / NW Newport Ave. / NW Nashville Ave. (44.06240, -121.32450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 32.6125 |
Other (At-Grade) Single-Lane |
2005 | Completed in August 2005. Intersection previously had five legs. Roundabout changes one leg prior to the roundabout to right in/out and redirects another leg to the roundabout. Located near Grade School on Newport Avenue. ICD estimated from Google Maps linework. |
Fort Worth,
TX Tarrant Co. United States |
Benbrook Circle [US 377 / TX 183 / Camp Bowie Blvd.] (32.71704, -97.44314) |
Rotary Existing |
Other Unknown |
4 Approaches 2 Driveways 304.8000 |
Other (At-Grade) Multilane (3+ Lane) |
1957 | Oval shape. ICD = 1000 ft x 650 ft. Circulating traffic yields to entering traffic on north leg. |
Fort Worth,
TX Tarrant Co. United States |
Bluebonnet Circle [W Biddson St. / Park Ridge Blvd. / S University Dr.] (32.69902, -97.36044) |
Other Existing |
Unknown Unknown |
6 Approaches 0 Driveways 141.7320 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1929 | . |
Portland,
OR Multnomah Co. United States |
SW Terwilliger Blvd. / SW Palater Rd. (45.45290, -122.67660) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 38.1000 |
Other (At-Grade) Single-Lane |
2002 | Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction. |
Anchorage,
AK Anchorage United States |
Dowling Rd. / New Seward Hwy SB Ramps (61.16636, -149.85780) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.1352 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2004 | Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Anchorage,
AK Anchorage United States |
Dowling Rd. / New Seward Hwy NB Ramps (61.16637, -149.85520) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.0151 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |
2004 | Spiral striping. ICD estimated from Google Maps linework. |
Culloden,
GA Monroe Co. United States |
SR 7-US 341 / SR 74 (32.87954, -84.09019) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.1175 |
Other (At-Grade) Single-Lane |
2008 | Functional Class: Rural ICD estimated from Google Maps linework. |
Bayfield,
CO La Plata Co. United States |
CR 501 / Bayfield Center Dr. (37.23393, -107.60191) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.1480 |
Other (At-Grade) Single-Lane |
2001 | Bayfield Center Drive is a new roadway. Completed Fall 2001. |
Astoria,
OR Clatsop Co. United States |
US 101 / Hwy 202 (Nehalem Highway) (46.18290, -123.86070) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.4797 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2002 | Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework. |
Claremont,
CA Los Angeles Co. United States |
Indian Hill Blvd. / Bonita St. (34.09662, -117.71930) |
Roundabout Removed |
All-Way Yield Unknown |
4 Approaches 0 Driveways 0.0000 |
Other (At-Grade) Unknown |
2000 | Temporary roundabout installed in August 1999, removed in April 2000. Strong public negative opinion cited as reason for removal. (Westernite, July-August 2000, pp. 2-3) |
Monroe,
WA Snohomish Co. United States |
SR 522 EB Ramps / 164th St. SE / Tester Rd. (47.84863, -122.00580) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 60.9143 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2001 | Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework. |
Buffalo,
NY Erie Co. United States |
Gates Circle (Delaware Ave. / Lafayette Ave.) (42.92054, -78.86776) |
Other Existing |
Unknown Unknown |
5 Approaches 0 Driveways 66.4699 |
Other (At-Grade) Unknown |
2002 | Modified in 2002 to incorporate roundabout principles. ICD estimated from Google Maps linework. 21442 |
Federal Way,
WA King Co. United States |
Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S (47.29863, -122.29280) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.6385 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Orange,
CA Orange Co. United States |
Chapman Ave. / Glassell St. (33.78788, -117.85310) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 70.4752 |
Other (At-Grade) Single-Lane |
Old school traffic circle, pedestrian park in the middle, cars park along the sides. ICD estimated from Google Maps linework. | |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Rogers Rd. (38.87200, -94.79430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.7027 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Ridgeview Rd. / Dennis Ave. (38.87270, -94.79730) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.3160 |
Other (At-Grade) Single-Lane |
2001 | Completed April 2001. ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Sheridan Rd. / Clairborne Rd. (38.87020, -94.79250) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 22.3168 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |
Parkville,
MO Platte Co. United States |
MO 45 (Tom Watson Pkwy.) / National Dr. (39.21016, -94.70027) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.1210 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Park City,
UT Summit Co. United States |
Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue (40.64572, -111.49500) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 46.2161 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Maplewood,
MN Ramsey Co. United States |
Kennard St. / Legacy Pkwy. (45.03317, -93.03062) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.1373 |
Other (At-Grade) Single-Lane |
2004 | Site has RT pavement arrows at entrance line. ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
Aviano Way / (unknown) (33.68941, -111.99350) |
Rotary Existing |
All-Way Yield None |
0 Approaches 0 Driveways 79.4999 |
Other (At-Grade) Single-Lane |
Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework. | |
Ridgeland,
MS Madison Co. United States |
Old Agency Rd / Highland Colony Pkwy (32.43125, -90.14893) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways 47.3786 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2004 | Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector ICD estimated from Google Maps linework. |
Lewisville,
NC Forsyth Co. United States |
Concord Church Rd. / US 421 SB Ramp / Williams Rd. (36.08978, -80.43072) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.9191 |
Freeway Ramps (Grade-Separated) Single-Lane |
2000 | Solved capacity problem. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Clemmons,
NC Forsyth Co. United States |
Fraternity Church Rd. / Hope Church Rd. (36.02653, -80.34301) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0113 |
Other (At-Grade) Single-Lane |
1999 | Existing three-legged intersection converted to a four-legged intersection by adding new Clemmons Middle School driveway at the roundabout. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework. |
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 53.4267 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
(unincorporated),
CO Douglas Co. United States |
Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.3498 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
S. Melon Ln. / W. Country Place Blvd. (33.41839, -112.27850) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 2 Driveways 23.9249 |
Other (At-Grade) Single-Lane |
2004 | Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Monterey Way / Peterson Rd. (38.98607, -95.28841) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 27.8505 |
Other (At-Grade) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
26th Ave. S / S. Judkins St. (47.59209, -122.29900) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 20.9420 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Tulsa,
OK Tulsa Co. United States |
E. Admiral Pl. / Mingo Rd. (36.16057, -95.86876) |
Rotary Existing |
All-Way Yield Unknown |
4 Approaches 0 Driveways 114.7468 |
Other (At-Grade) Single-Lane |
Functional Class: Arterial ICD estimated from Google Maps linework. | |
Topeka,
KS Shawnee Co. United States |
Wanamaker Rd. / SW 6th Ave. (39.05662, -95.76134) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.7180 |
Other (At-Grade) Single-Lane |
2004 | Intersection expanded for new development. Previously T with 6th controlled by stop sign. Previously controlled by one-way stop ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
45th St. / Croco Rd. (38.98618, -95.61436) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 46.4174 |
Other (At-Grade) Single-Lane |
2008 | ICD estimated from Google Maps linework. |
Seattle,
WA King Co. United States |
24th Ave. S / S. Norman St. (47.59301, -122.30120) |
Traffic Calming Circle Existing |
Unknown Unknown |
0 Approaches 0 Driveways 41.0778 |
Other (At-Grade) Unknown |
2006 | ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
South 20th Drive. / (none) (33.37556, -112.10290) |
Traffic Calming Circle Existing |
Unknown Unknown |
2 Approaches 0 Driveways 16.9552 |
Other (At-Grade) Single-Lane |
2003 | Neighborhood traffic calming. ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr. (36.18080, -115.31370) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 54.8640 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1995 | Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442 |
Las Vegas (Summerlin),
NV Clark Co. United States |
Desert Primrose Ln. / Desert Marigold Ln. / Blue Willow Ln. (36.14060, -115.32090) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 40.5093 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Functional Class: Collector ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Desert Primrose Ln. / Spotted Leaf Ln. / Pavillion Center Dr. (36.14070, -115.33120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.4737 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Functional Class: Collector ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Havenwood Ave. / Spotted Leaf Ln. / Golden Willow (36.13300, -115.33040) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.6194 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
1999 | Functional Class: Collector ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Havenwood Ave. / Desert Marigold Ln. / Navajo Willow Ln. (36.13360, -115.32110) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 39.5483 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2000 | Functional Class: Collector. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework. |
Henderson (Seven Hills),
NV Clark Co. United States |
Grand Hills Dr. / Rio Secoo Golf Club (35.97713, -115.11100) |
Other Existing |
Unknown Unknown |
3 Approaches 0 Driveways 74.4214 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Collector ICD estimated from Google Maps linework. |
Topeka,
KS Shawnee Co. United States |
SW 29th St. / Urish Rd. (39.01446, -95.78102) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Single-Lane |
2001 | Completed July 2001 as single-lane roundabout. Retail shopping center on SW corner. Converted to partial double-lane roundabout 2010. 21442 |
Gordonsville,
VA Orange Co. United States |
James Madison Hwy / N. Main St. / Spotswood Trl. (38.14261, -78.18947) |
Other Existing |
Unknown Unknown |
4 Approaches 0 Driveways 31.9366 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Howard,
WI Brown Co. United States |
Lineville Rd. (CTH M) / Cardinal Ln. (CTH EB) (44.59090, -88.08430) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 29.7684 |
Other (At-Grade) 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 ICD estimated from Google Maps linework. |
Howard,
WI Brown Co. United States |
Lineville Rd. (CTH M) / Rockwell Ln. (44.59080, -88.08880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.0674 |
Other (At-Grade) 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 ICD estimated from Google Maps linework. |
Scottsdale,
AZ Maricopa Co. United States |
Princess Blvd. / Princess Dr. (33.64804, -111.91795) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 64.0077 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
1986 | Painted spiral next to central island. Completed 1986. Reconfigured in 2007? 21442 |
Salt Lake City,
UT Salt Lake Co. United States |
South Campus Dr. / Center Campus Dr. (40.75968, -111.84490) |
Roundabout Existing |
All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches) |
3 Approaches 0 Driveways 39.6240 |
Other (At-Grade) Single-Lane |
2003 | Light rail runs through center of roundabout. Gates on both circulatory roadway and on east and west approaches. |
Alpine,
UT Utah Co. United States |
Canyon Crest Rd. / 200 West (40.45012, -111.78150) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 36.3540 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Green Bay,
WI Brown Co. United States |
Mason St. (STH 32-STH 54) / S. Taylor St. (44.52414, -88.07916) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 43.4266 |
Other (At-Grade) Multilane (2 Lane, unspecified) |
2012 | Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework. |
Green Bay,
WI Brown Co. United States |
Shawano Ave. (STH 29) / Taylor St. (44.53461, -88.07319) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 49.3783 |
Other (At-Grade) Multilane (3+ Lane) |
2011 | Opened September 2011. ICD estimated from Google Maps linework. |
Draper,
UT Salt Lake Co. United States |
1300 E / Pioneer Rd. (40.52518, -111.85340) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways 37.2210 |
Other (At-Grade) Multilane (2 Lane, 2x1 max) |
2001 | ICD estimated from Google Maps linework. Constructed as single-lane in 2001. Updated to 2x1 in 2023. https://www.draperjournal.com/2023/09/07/464782/roundabout-reopens-early-with-revised-traffic-pattern |
Orem,
UT Utah Co. United States |
1200 South / 400 West (40.27531, -111.70480) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways 30.9811 |
Other (At-Grade) Single-Lane |
2000 | ICD estimated from Google Maps linework. |
Draper,
UT Salt Lake Co. United States |
300 East / 12200 South (40.52863, -111.88180) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.2193 |
Other (At-Grade) Single-Lane |
2001 | ICD estimated from Google Maps linework. |