City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways / ICD (m) |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
West Boca Raton,
FL Palm Beach Co. United States |
Yamato Rd. / Coral Ridge Dr. (26.39248, -80.22781) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 21.3969 |
Other (At-Grade) Single-Lane |
1997 | ICD estimated from Google Maps linework. |
Chico,
CA Butte Co. United States |
First St. / Salem St. (39.72980, -121.84300) |
Other Existing |
All-Way Yield None |
2 Approaches 1 Driveways 18.3704 |
Other (At-Grade) Single-Lane |
2012 | Hybrid mini-roundabout / "drop off circle" at major bike/ped entrance into Chico State University. Completed 2012. ICD estimated from Google Maps linework. |
Hanover,
NH Grafton Co. United States |
NH 10 (Lyme Rd.) / (no intersecting street) (43.72763, -72.26868) |
Roundabout Existing |
All-Way Yield Unknown |
2 Approaches 0 Driveways |
Other (At-Grade) Single-Lane |
2006 | |
Durham,
NC Durham Co. United States |
Millspring Dr. / Millspring Dr. (36.04328, -78.94572) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 25.1082 |
Other (At-Grade) Single-Lane |
2001 | Year completed estimated. ICD estimated from Google Maps linework. |
Sun Prairie,
WI Dane Co. United States |
O'Keeffe Ave. / (future road) (43.16863, -89.25001) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 35.7141 |
Other (At-Grade) Multilane (2 Lane) |
2006 | ICD estimated from Google Maps linework. |
Jupiter,
FL Palm Beach Co. United States |
N Jog Rd. / Donald Ross Rd. (26.88178, -80.14438) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 36.2192 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
(unincorporated),
GA Clarke Co. United States |
Martin Meadow Way (33.95175, -83.28067) |
Other Existing |
Other Unknown |
2 Approaches 0 Driveways 36.6561 |
Other (At-Grade) Single-Lane |
2004 | Functional Class: Local ICD estimated from Google Maps linework. |
(unincorporated),
GA Clarke Co. United States |
Trinity Pond Rd. (33.94821, -83.28511) |
Other Existing |
Other Unknown |
2 Approaches 0 Driveways 31.7039 |
Other (At-Grade) Single-Lane |
2004 | Functional Class: Local ICD estimated from Google Maps linework. |
Roswell,
GA Fulton Co. United States |
Community Circle / Roswell City Hall (34.02222, -84.35917) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 26.7269 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Castaic,
CA Los Angeles Co. United States |
Hasley Canyon Rd. / I-5 NB Ramps (34.45605, -118.61520) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 41.3614 |
Other (At-Grade) Single-Lane |
2009 | ICD estimated from Google Maps linework. |
Waldorf,
MD Charles Co. United States |
Davis Rd. / (School entrance) (38.63609, -76.97873) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 1 Driveways 33.5852 |
Other (At-Grade) Single-Lane |
2005 | Functional Class: Local ICD estimated from Google Maps linework. |
Canton,
GA Cherokee Co. United States |
Bluffs Pkwy. / (unknown) (34.27975, -84.46860) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 66.1203 |
Other (At-Grade) Multilane (2 Lane) |
2004 | ICD estimated from Google Maps linework. |
Jacksonville,
FL Duval Co. United States |
University of North Florida N Entrance Rd (30.27627, -81.50918) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 1 Driveways 36.1000 |
Other (At-Grade) Single-Lane |
2002 | Functional Class: Local ICD estimated from Google Maps linework. |
Jacksonville,
FL Duval Co. United States |
University of North Florida N Entrance Rd. / North-South Rd. (30.27613, -81.51447) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 27.8486 |
Other (At-Grade) Single-Lane |
2007 | Functional Class: Local ICD estimated from Google Maps linework. |
Jacksonville,
FL Duval Co. United States |
Southside Blvd. SB Ramp / Southside Blvd. Service Rd. / Como Lake Dr. (30.21216, -81.55235) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 34.0593 |
Other (At-Grade) Single-Lane |
1998 | ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
Indian Wells Dr. / Spruce St. (38.88568, -94.85022) |
Roundabout Removed |
All-Way Yield None |
2 Approaches 0 Driveways 44.6239 |
Other (At-Grade) Single-Lane |
2002 | Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework. |
Olathe,
KS Johnson Co. United States |
S Warwick St. / 165th St. (38.82870, -94.80401) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 26.0515 |
Other (At-Grade) Single-Lane |
2007 | ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
McDonald Dr. / I-70 WB Ramps (38.99075, -95.25724) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 66.8368 |
Freeway Ramps (Grade-Separated) Single-Lane |
2008 | Opened November 2008. Replaced trumpet interchange. ICD estimated from Google Maps linework. |
Shawnee,
KS Johnson Co. United States |
Woodsonia Dr. / Clear Creek Pkwy. (39.02142, -94.84924) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 32.4760 |
Other (At-Grade) Single-Lane |
2004 | Date estimated. ICD estimated from Google Maps linework. |
Winnipeg,
MB Winnipeg Capital Region Canada |
Waterfront Dr. / (no other legs) (49.90133, -97.12789) |
Roundabout Existing |
Unknown Unknown |
2 Approaches 0 Driveways 28.4631 |
Other (At-Grade) Unknown |
2003 | ICD estimated from Google Maps linework. |
Quebec,
QC Capitale-Nationale Region Canada |
Ave. Honore-Mercier / Place de l'Assemblee (46.80959, -71.21263) |
Other Existing |
Other None |
2 Approaches 0 Driveways 40.8714 |
Other (At-Grade) Single-Lane |
Fountain in central island added in August 2007. ICD estimated from Google Maps linework. | |
Winchester,
VA Frederick Co. United States |
Airport Rd. / Victory Rd. (39.13417, -78.13571) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 32.4242 |
Other (At-Grade) Single-Lane |
2004 | Year Completed estimated (2003-2005). ICD estimated from Google Maps linework. |
Colorado Springs,
CO El Paso Co. United States |
New Car Dr. / parking lot (38.93777, -104.73750) |
Other Existing |
Unknown None |
2 Approaches 0 Driveways 43.6622 |
Other (At-Grade) Single-Lane |
Serves retail shopping center. ICD estimated from Google Maps linework. | |
Knightdale,
NC Wake Co. United States |
Maplewood Dr. / McKnight Dr. (35.79656, -78.48228) |
Other Existing |
All-Way Yield None |
2 Approaches 0 Driveways 33.9052 |
Other (At-Grade) Single-Lane |
2000 | Functional Class: Collector 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) |
2002 | 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. | |
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. |
Bend,
OR Deschutes Co. United States |
SW Reed Market Dr. / (no cross street) (44.04080, -121.32790) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 32.6244 |
Other (At-Grade) Single-Lane |
2004 | No cross street, but U-turns allowed. ICD estimated from Google Maps linework. |
Pleasanton,
CA Alameda Co. United States |
Watermill Rd. / Watermill Rd. (37.75548, -121.90970) |
Other Existing |
Unknown Unknown |
2 Approaches 0 Driveways 31.1610 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Lacey,
WA Thurston Co. United States |
Marvin Rd. NE / Main St. NE (47.06709, -122.76828) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 48.7680 |
Other (At-Grade) Multilane (2 Lane) |
2000 | Roundabout installed, although cross street not initially constructed. |
Boulder,
CO Boulder Co. United States |
Pearl St. / Mid-Block (40.01501, -105.29390) |
Traffic Calming Circle Existing |
Unknown None |
2 Approaches 0 Driveways 16.4647 |
Other (At-Grade) Single-Lane |
Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework. | |
Lafayette,
LA Lafayette Par. United States |
Settlers Trace / River Ranch Dr. (30.17073, -92.03625) |
Roundabout Existing |
All-Way Yield None |
2 Approaches 0 Driveways 42.3339 |
Other (At-Grade) Multilane (2 Lane) |
2001 | This a part of a Neo Traditional Neighborhood and the related street system. Completed June 2001. Functional Class: Collector 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. |
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. |
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) |
1999 | 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. |
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) |
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) |
2004 | Spiral striping. 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) |
2002 | Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework. |
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) |
2000 | Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Quebec,
QC Capitale-Nationale Region Canada |
Rue de la Rive-Boisee N / Rue du Baumier (46.83577, -71.32956) |
Other Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.0000 |
Other (At-Grade) Single-Lane |
No splitter islands. 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. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / W. 18th St. (40.40869, -104.85120) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.4670 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
W. 18th St. / unknown (40.41203, -104.85840) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.5558 |
Other (At-Grade) Multilane (2 Lane) |
2004 | Part of 6 in vicinity. ICD estimated from Google Maps linework. |
Garnett,
KS Harvey Co. United States |
US 59 / US 169 (38.25832, -95.24861) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.8910 |
Other (At-Grade) Single-Lane |
2006 | None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Manhattan,
KS Riley Co. United States |
Kimball Ave. / Grand Mere Pkwy. (39.20168, -96.63786) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.3931 |
Other (At-Grade) Single-Lane |
2000 | Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Sunflower Park Rd / Inverness Dr (38.93745, -95.29810) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 111.4785 |
Other (At-Grade) Single-Lane |
2001 | Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / Con Agra Dr. (40.41138, -104.85200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.6468 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
Peoria,
AZ Maricopa Co. United States |
N Sunrise Point / Sunset Point (33.75302, -112.33080) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 75.4690 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
(unincorporated),
OR Washington Co. United States |
NW Verboort Rd. / Cornelius-Shefflin Rd. (45.55150, -123.06410) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 52.6900 |
Other (At-Grade) Single-Lane |
2003 | Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
24th Pl. / Crossgate Dr. (38.94130, -95.28875) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 26.9392 |
Other (At-Grade) Single-Lane |
2001 | Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework. |
Greeley,
CO Weld Co. United States |
Promontory Cir. / W. 11th St. (40.41889, -104.84990) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.2801 |
Other (At-Grade) Multilane (2 Lane) |
2004 | 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework. |
Anchorage,
AK Anchorage United States |
C St. / O'Malley EB Ramps (61.12273, -149.88630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.5659 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Anchorage,
AK Anchorage United States |
C St. / O'Malley WB Ramps (61.12404, -149.88630) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.2943 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Loveland,
CO Larimer Co. United States |
Plum Creek Dr. / Piney River Dr. (40.41253, -105.01850) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.0994 |
Other (At-Grade) Single-Lane |
2001 | Functional Class: Local ICD estimated from Google Maps linework. |
Paradise Valley,
AZ Maricopa Co. United States |
Indian Bend Rd. / 70th St. (33.53864, -111.92930) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 47.7835 |
Other (At-Grade) Single-Lane |
Mini-roundabout ICD estimated from Google Maps linework. | |
Windsor,
CT Hartford Co. United States |
Hayden Station Rd. / Pond Rd. (41.89371, -72.64065) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 24.0041 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework. |
Las Vegas (Summerlin),
NV Clark Co. United States |
Vista Run Dr. / Park Vista Dr. (36.17820, -115.34610) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 46.2741 |
Other (At-Grade) Single-Lane |
1995 | Year completed estimated (1990-1999) ICD estimated from Google Maps linework. |
Windsor,
CT Hartford Co. United States |
Prospect Hill Rd. / Lang Rd. (41.89153, -72.69762) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 1 Driveways 25.7830 |
Other (At-Grade) Single-Lane |
1998 | Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework. |
Scottsdale,
AZ Maricopa Co. United States |
N. Marshall Way / E. 5th Ave. (33.49802, -111.92900) |
Other Existing |
All-Way Stop None |
3 Approaches 0 Driveways 23.9030 |
Other (At-Grade) Single-Lane |
Stop controlled. ICD estimated from Google Maps linework. | |
Prescott,
AZ Yavapai Co. United States |
SR 89 / Willow Lake Rd. (34.59233, -112.42580) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 59.9743 |
Other (At-Grade) Multilane (2 Lane) |
2006 | ICD estimated from Google Maps linework. |
Ottawa,
ON City of Ottawa Canada |
Bayview Rd. / Slidell St. / Burnside Ave. (45.40958, -75.72880) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.5384 |
Other (At-Grade) Single-Lane |
2010 | Functional Class: Collector ICD estimated from Google Maps linework. |
Eugene,
OR Lane Co. United States |
Barger Dr. / Green Hill Rd. (44.08470, -123.20830) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 32.6002 |
Other (At-Grade) Single-Lane |
1999 | ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
Monterey Way / Harvard Rd. (38.96400, -95.28833) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 15.7869 |
Other (At-Grade) Single-Lane |
1999 | Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework. |
Lawrence,
KS Douglas Co. United States |
West Campus Rd. / Jayhawk Blvd. / Crescent Rd. (38.95905, -95.25105) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 29.7185 |
Other (At-Grade) Single-Lane |
2013 | Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework. |
Coventry,
CT Tolland Co. United States |
Daly Rd. / South St. (41.76721, -72.33688) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 24.9424 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Scottsdale,
AZ Maricopa Co. United States |
E. Via Linda / E. San Pablo Dr. (33.56833, -111.89350) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 49.7573 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Tallahassee,
FL Leon Co. United States |
Sutor Road / Old Sutor Road (30.42957, -84.21212) |
Traffic Calming Circle Existing |
All-Way Yield None |
3 Approaches 0 Driveways 16.4770 |
Other (At-Grade) Single-Lane |
ICD estimated from Google Maps linework. | |
Columbia,
MD Howard Co. United States |
Cradlerock Way / Homespun Dr. (39.19095, -76.83787) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 22.2158 |
Other (At-Grade) Single-Lane |
2001 | Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
West End Rd. / Spear Ave. / Saint Louis Rd. (40.88910, -124.08210) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 27.0866 |
Other (At-Grade) Single-Lane |
1998 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
Guintoli Ln. / US 101 SB Ramps (40.90400, -124.08920) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 39.7180 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Arcata,
CA Humboldt Co. United States |
Guintoli Ln. / US 101 NB Ramps (40.90492, -124.08510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.3015 |
Freeway Ramps (Grade-Separated) Single-Lane |
2005 | ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
Florida Rd. / Riverview Dr. (37.28319, -107.86900) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.4086 |
Other (At-Grade) Single-Lane |
2010 | ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
(Mercy Regional Medical Center ring road) / (unknown) (37.23677, -107.82050) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.2308 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Portland,
OR Multnomah Co. United States |
NW 25th Ave. / NW Quimby St. (45.53328, -122.70277) |
Traffic Calming Circle Existing |
Two-Way Stop None |
3 Approaches 0 Driveways 15.8958 |
Other (At-Grade) Single-Lane |
1988 | Completed 9/30/1988. ICD estimated from Google Maps linework. |
Port Orchard,
WA Kitsap Co. United States |
Mile Hill Dr. (Hwy 166) / Bethel Ave. (47.53467, -122.62730) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 38.7045 |
Other (At-Grade) Single-Lane |
1998 | Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. |
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / I-87 NB Ramps (42.97052, -73.80057) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 41.9470 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. |
Clackamas,
OR Clackamas Co. United States |
Monterey Ave. / Causey Ave. / William Otty Rd. (45.44020, -122.55510) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 37.7102 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Malta,
NY Saratoga Co. United States |
Rte 67 (Dunning St.) / I-87 SB Ramps (42.97027, -73.80322) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 44.5689 |
Other (At-Grade) Multilane (2 Lane) |
2006 | Part of a series of 5 roundabouts. ICD estimated from Google Maps linework. |
Truckee,
CA Nevada Co. United States |
Donner Pass Rd. / W. River St. / McIver Crossing (39.32510, -120.19200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 35.1077 |
Other (At-Grade) Single-Lane |
1998 | Fatal crash. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework. |
De Pere,
WI Brown Co. United States |
Scheuring Rd. (CTH F) / US 41 SB Ramps (44.43050, -88.11402) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 53.7308 |
Freeway Ramps (Grade-Separated) Multilane (2 Lane) |
2011 | Series of 6 roundabouts. Opened September 2011. ICD estimated from Google Maps linework. |
Decatur,
GA DeKalb Co. United States |
N. Decatur Rd. / Lullwater Rd. (33.78700, -84.32900) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 90.3283 |
Other (At-Grade) Single-Lane |
2004 | Functional Class: Arterial ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Ophir Dr. (37.28321, -107.85120) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 26.6075 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Bel Air,
MD Harford Co. United States |
Tollgate Rd. / Marketplace Dr. (39.52092, -76.35262) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 28.5602 |
Other (At-Grade) Single-Lane |
1996 | Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector ICD estimated from Google Maps linework. |
Columbia,
MD Howard Co. United States |
Banneker Rd. / Cul-de-sac (39.21141, -76.87041) |
Traffic Calming Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways 17.5824 |
Other (At-Grade) Single-Lane |
Functional Class: Local ICD estimated from Google Maps linework. | |
Columbia,
MD Howard Co. United States |
Trotter Rd. / South Wind Cir. (39.20956, -76.91891) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 23.1353 |
Other (At-Grade) Single-Lane |
1997 | Functional Class: Collector. Year Completed estimated (1993-2001). ICD estimated from Google Maps linework. |
Green Bay,
WI Brown Co. United States |
W. Mason St. (STH 32-STH 54) / US 41 SB Ramps (44.52418, -88.08284) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 45.9811 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2012 | Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework. |
Green Bay,
WI Brown Co. United States |
W. Mason St. (STH 32-STH 54) / US 41 NB Ramps (44.52415, -88.08103) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 43.4266 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2012 | Series of 3 roundabouts. Opened August 31, 2012. ICD estimated from Google Maps linework. |
St. Simons,
GA Glynn Co. United States |
Frederica Rd. / Lawrence Rd. (31.21650, -81.37550) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 40.8563 |
Other (At-Grade) Single-Lane |
2006 | ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Lizard Head (south) (37.28605, -107.84710) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 24.7061 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Durango,
CO La Plata Co. United States |
Jenkins Ranch Rd. / Lizard Head (north) (37.28920, -107.84310) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways 27.5556 |
Other (At-Grade) Single-Lane |
2004 | ICD estimated from Google Maps linework. |
Ritchie,
MD Prince Georges Co. United States |
Ritchie-Marlboro Rd. / I-95 SB Ramps (38.86894, -76.84738) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 770.9968 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2001 | Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442 |
Ritchie,
MD Prince Georges Co. United States |
Ritchie-Marlboro Rd. / I-95 NB Ramps (38.86824, -76.84158) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 67.0560 |
Freeway Ramps (Grade-Separated) Multilane (3+ Lane) |
2001 | Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442 |
Carlsbad,
CA San Diego Co. United States |
Legoland Dr. / Armada Dr. (33.13229, -117.31660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 34.0049 |
Other (At-Grade) Multilane (2 Lane) |
1999 | ICD estimated from Google Maps linework. |
Phoenix,
AZ Maricopa Co. United States |
S. Pointe Pkwy. W / S. Pointe Pkwy. E (33.37649, -111.97210) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 50.8650 |
Other (At-Grade) Single-Lane |
1994 | Before 1997. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 WB Ramps (39.20846, -76.78294) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 33.3154 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
MD 103 / MD 100 EB Ramps (39.20733, -76.78243) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways 30.5396 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. ICD estimated from Google Maps linework. |
Ellicott City,
MD Howard Co. United States |
Snowden River Pkwy. / MD 100 WB Ramps (39.21233, -76.79544) |
Roundabout Existing |
All-Way Yield Metering Signal |
3 Approaches 0 Driveways 25.9105 |
Freeway Ramps (Grade-Separated) Single-Lane |
1998 | Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework. |