Roundabouts Database Index

11398 Results

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City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Lawrence, KS Douglas 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 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 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 United States	Indian Bend Rd. / 70th St. (33.53864, -111.92930)	Neighborhood Traffic 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 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 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 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 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 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 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 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 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 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 United States	E. Via Linda / E. San Pablo Dr. (33.56833, -111.89350)	Neighborhood Traffic Circle Existing	Unknown Unknown	3 Approaches 0 Driveways 49.7573	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Tallahassee, FL Leon United States	Sutor Road / Old Sutor Road (30.42957, -84.21212)	Neighborhood Traffic 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 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 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 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 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 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 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 United States	NW 25th Ave. / NW Quimby St. (45.53328, -122.70277)	Neighborhood Traffic 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 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 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 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 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 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 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 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 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 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 United States	Banneker Rd. / Cul-de-sac (39.21141, -76.87041)	Neighborhood Traffic 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 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 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 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 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 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 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 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 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 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 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 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 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 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.
Ellicott City, MD Howard United States	MD 104 (Waterloo Rd.) / MD 100 WB Ramps (39.22470, -76.80600)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.0085	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	1999	ICD estimated from Google Maps linework.
Avon, CO Eagle United States	Avon Rd. / I-70 WB Ramps (39.63782, -106.52080)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 33.1108	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Raindrop-shaped central island. ICD estimated from Google Maps linework.
Avon, CO Eagle United States	Avon Rd. / I-70 EB Ramps (39.63683, -106.52170)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7903	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	1997	Highway ref. pt. 70-166.62. Previously controlled by two-way stop ICD estimated from Google Maps linework.
De Pere, WI Brown United States	Scheuring Rd. (CTH F) / US 41 NB Ramps (44.43074, -88.10989)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.3491	Freeway Ramps (Grade-Separated) Multilane (2 Lane)	2011	Series of 6 roundabouts. Opened September 2011. Circular central island. ICD estimated from Google Maps linework.
Montpelier, VT Washington United States	Keck Circle (Main St. / Spring St.) (44.26283, -72.57178)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.6594	Other (At-Grade) Single-Lane	1995	Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Fort Walton Beach, FL Okaloosa United States	Hollywood Blvd. / Doolittle Blvd. (30.41364, -86.66468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.6896	Other (At-Grade) Single-Lane	1994	ICD estimated from Google Maps linework.
Tallahassee, FL Leon United States	Killarney Way / Shamrock Dr. (30.51361, -84.22315)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.7810	Other (At-Grade) Single-Lane	1994	Completed August 1994. ICD estimated from Google Maps linework.
Short Pump, VA Goochland United States	Capitol One Dr. / (unknown) (37.62693, -77.66927)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 37.8365	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Okemos, MI Ingham United States	Hamilton Rd. / Marsh Rd. (42.71625, -84.42687)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8350	Other (At-Grade) Multilane (2 Lane)	2000	ICD estimated from Google Maps linework.
Dimondale, MI Eaton United States	East Rd. / Creyts Rd. (42.64743, -84.64275)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6250	Other (At-Grade) Mini-roundabout	2001	British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf ICD estimated from Google Maps linework.
Davis, CA Yolo United States	5th St. / Cantrill Dr. (38.55160, -121.72010)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9547	Other (At-Grade) Single-Lane	1998	Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Davis, CA Yolo United States	Moore Blvd. / Rockwell Dr. (38.56830, -121.72630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.2127	Other (At-Grade) Single-Lane	1999	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA Yolo United States	Moore Blvd. / Wright Blvd. (38.56490, -121.71860)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.2801	Other (At-Grade) Single-Lane	1999	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA Benton United States	Columbia Park Drive #1 (46.22221, -119.15110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.8367	Other (At-Grade) Single-Lane	2001	Completed February 2001. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA Benton United States	Columbia Park Drive #2 (46.22223, -119.14630)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.5366	Other (At-Grade) Single-Lane	2001	Completed February 2001 Functional Class: Local ICD estimated from Google Maps linework.
Juneau, AK Juneau United States	Douglas Hwy / North Douglas Hwy (58.29718, -134.43280)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.9134	Other (At-Grade) Single-Lane	2005	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
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 38.2503	Other (At-Grade) Single-Lane	2002	Previously controlled by one-way stop ICD estimated from Google Maps linework.
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 38.1207	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
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 34.1039	Other (At-Grade) Single-Lane	1999	Opened September 1999. ICD estimated from Google Maps linework.
Draper, UT Salt Lake 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.
Park City, UT Summit United States	Powderwood Dr. / Factory Outlet Parking (40.72733, -111.55255)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 24.4374	Other (At-Grade) Single-Lane	2000	Pedestrian access to central island. ICD estimated from Google Maps linework.
Park City, UT Summit United States	Kilby Rd. / Factory Outlet Parking (40.73040, -111.55040)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3918	Other (At-Grade) Multilane (2 Lane)	2000	ICD estimated from Google Maps linework.
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 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 United States	Princess Blvd. / Princess Dr. (33.64804, -111.91795)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 64.0077	Other (At-Grade) Multilane (2 Lane)	2007	Completed 1986. Reconfigured in 2007? 21442
Salt Lake City, UT Salt Lake United States	South Campus Dr. / Center Campus Dr. (40.75968, -111.84490)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Gates (controlling roundabout)	3 Approaches 0 Driveways 30.7581	Other (At-Grade) Single-Lane	2003	Light rail runs through center of roundabout, protected by gates. ICD estimated from Google Maps linework.
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 74.4214	Other (At-Grade) Single-Lane	1998	Functional Class: Collector ICD estimated from Google Maps linework.
Provo, UT Utah United States	3700 North / 300 West (40.28282, -111.66310)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.2444	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Provo, UT Utah United States	1375 West / 820 North (40.24470, -111.68280)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 28.2603	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Boulder, CO Boulder United States	Kings Ridge Blvd. / Edison Ave. (40.03098, -105.23950)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 23.7768	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Advance, NC Davie United States	NC 801 / I-40 EB Ramps (36.00655, -80.44083)	Roundabout Removed	All-Way Yield None	3 Approaches 0 Driveways 17.3907	Freeway Ramps (Grade-Separated) Single-Lane	2002	Developer-built "temporary" intersection fix. Previously controlled by one-way stop ICD estimated from Google Maps linework.
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 (At-Grade) 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 (At-Grade) Single-Lane
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 43.6952	Other (At-Grade) Multilane (2 Lane)	2006	Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
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 38.9078	Other (At-Grade) Single-Lane	1999	$497,000 construction cost. ICD estimated from Google Maps linework.
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 57.5036	Other (At-Grade) Multilane (2 Lane)	2003	Bypass lane for southbound through movement in addition to two entry lanes. ICD estimated from Google Maps linework.
Westfield, NJ Union United States	NJ 28 / E. Broad St. (Westfield Circle) (40.64849, -74.35027)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 42.5896	Other (At-Grade) Multilane (2 Lane)		Functional Class: Arterial ICD estimated from Google Maps linework.
Seward, NE Seward United States	7th St. / 6th Ave. / 8th Ave. (40.91742, -97.10029)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 37.9050	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Willimantic, CT Windham United States	Eastern Rd. / (driveway) (ECSU Campus by clock tower) (41.72001, -72.21691)	Neighborhood Traffic Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0693	Other (At-Grade) Single-Lane	1999	Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
University Place, WA Pierce United States	Grandview Dr. / 56th St. W (47.20565, -122.56890)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3417	Other (At-Grade) Single-Lane	2000	Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA Pierce United States	Grandview Dr. / Cirque Dr. (47.21093, -122.56880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.1506	Other (At-Grade) Single-Lane	2000	Opened September 2000. ICD estimated from Google Maps linework.
Yakima, WA Yakima United States	N. 5th Ave. / Fruitdale Blvd. (46.61242, -120.51870)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.1760	Other (At-Grade) Single-Lane	2004	Completed July 1, 2004. Major street makes a 90-degree turn through the intersection. Previously controlled by one-way stop ICD estimated from Google Maps linework.
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 14.7197	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
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 25.7631	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Gatineau, QC Outaouais Region Canada	Blvd. St.-Joseph (Rte. 105) / Rue Montcalm (45.43146, -75.73314)	Roundabout Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	3 Approaches 0 Driveways 23.4678	Other (At-Grade) Multilane (2 Lane)	2003	Opened December 9, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Denver, CO Denver United States	E. Lowry Blvd. / N. Uinta Way (39.71986, -104.89070)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.5258	Other (At-Grade) Multilane (2 Lane)	1998	ICD estimated from Google Maps linework.
Denver, CO Denver United States	E. Lowry Blvd. / Yosemite St. (39.72373, -104.88400)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.4416	Other (At-Grade) Multilane (2 Lane)	1998	ICD estimated from Google Maps linework.
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 8.2800	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
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 11.9603	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
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 11.0410	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
Modesto, CA Stanislaus United States	Sharon Ave. / Maid Mariane Rd. (37.67451, -120.93050)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.7967	Other (At-Grade) Single-Lane	2006	Opened July 27, 2006. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS Douglas United States	Overland Dr. / Congressional Dr. (38.97474, -95.31127)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8550	Other (At-Grade) Single-Lane	2003	Both roads newly constructed in this area. Functional Class: Collector ICD estimated from Google Maps linework.
Oconomowoc, WI Waukesha United States	Wisconsin Ave. / Lake Dr. (43.11224, -88.43968)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.1314	Other (At-Grade) Single-Lane	2002	Opened October 15, 2002. Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.