Roundabouts Database Index

28784 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
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.
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.
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.
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 42.6717	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
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 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
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 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2004	4 roundabouts in series; 6 in vicinity.
Peoria, AZ Maricopa Co. United States	N Sunrise Point / Sunset Point (33.75294, -112.33084)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 80.7720	Other (At-Grade) Single-Lane	2004
(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.
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.
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 53.3400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2006
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 53.3400	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006
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 64.0080	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2006
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.
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.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / I-87 SB Ramps (42.97024, -73.80309)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Painted spiral next to central island. Part of a series of 5 roundabouts.
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.
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.
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.
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.
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.
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.
Decatur, GA DeKalb Co. United States	N Decatur Rd. / Lullwater Rd. (33.78744, -84.32914)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2004
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.
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.
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.
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.
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.
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	One-Way/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 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Painted spiral next to central island. Part of a series of 5 roundabouts.
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.
Montpelier, VT Washington Co. 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 Co. United States	Hollywood Blvd. / Doolittle Blvd. (30.41364, -86.66468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8704	Other (At-Grade) Single-Lane	1994
Tallahassee, FL Leon Co. 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 Co. 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.
Avon, CO Eagle Co. 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 42.6720	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	1997	Highway ref. pt. 70-166.62. Raindrop shaped.
Avon, CO Eagle Co. United States	Avon Rd. / I-70 EB Ramps (39.63683, -106.52170)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	1997	Highway ref. pt. 70-166.62. Raindrop shaped.
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
De Pere, WI Brown Co. United States	Scheuring Rd. (CTH F) / US 41 NB Ramps (44.43074, -88.10989)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2011	Series of 6 roundabouts. Yield-controlled right-turn bypass lane on south leg; merging right-turn bypass lane on east leg. Opened September 2011. Circular central island.
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 41.1480	Other (At-Grade) Multilane (2 Lane, 2x2 max)	1999	Unstriped circulatory roadway.
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.
Ellicott City, MD Howard Co. United States	MD 104 (Waterloo Rd.) / MD 100 WB Ramps (39.22470, -76.80600)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	1999
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 56.3880	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2011	Series of 6 roundabouts. Opened September 2011.
Anchorage, AK Anchorage United States	Old Seward Hwy / Huffman Rd.. (61.10864, -149.86350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.8158	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Estimated completion 2008. ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / I-70 WB Ramps (39.62759, -106.49460)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.6349	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / I-70 EB Ramps (39.62714, -106.49610)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7153	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / Fawcett Rd. (39.62907, -106.50190)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7944	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Serves Home Depot and Walmart retail center. Functional Class: Arterial ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / US 6 (39.62460, -106.50490)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.6366	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Fatal crash February 22, 2007. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
De Pere, WI Brown Co. United States	Dickinson Rd. (CTH G) / East River Dr. (44.43684, -88.02830)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7306	Other (At-Grade) Single-Lane	2001	Roundabout is slightly east of the Chicago/Swan roundabout and is located in a residential area. Roundabout is near East De Pere Middle School and De Pere High School. Completed August 2001. http://www.co.brown.wi.us/Planning/roundabouts.html ICD estimated from Google Maps linework.
Crozet, VA Ablemarle Co. United States	Old Trail Dr. / West End Dr. (38.06612, -78.71195)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.0297	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Kaukauna, WI Outagamie Co. United States	CTH J / US 41 NB Ramps (44.30463, -88.24939)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.6070	Freeway Ramps (Grade-Separated) Single-Lane	2010	Opened October 11, 2010. ICD estimated from Google Maps linework.
Jackson, MS Hinds Co. United States	John R. Lynch St. / Prentiss St. (32.29755, -90.21119)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 34.3246	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	ICD estimated from Google Maps linework.
Starkville, MS Oktibbeha Co. United States	Blackjack Rd. / Oktoc Rd. (33.44708, -88.79340)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 31.8893	Other (At-Grade) Single-Lane	2002	http://www.msstate.edu/web/media/detail.php?id=1874 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Bowen Ave. / Phelps Ave. (37.67470, -121.00600)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.6873	Other (At-Grade) Single-Lane	2002	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. United States	Lifescapes Dr. / Grecian Ave. (37.69840, -120.98540)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.5700	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Tall Trees Ln. (28.92198, -82.00272)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.5861	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	N. Uinta Way / E. 6th Ave. Pkwy. (39.72570, -104.89200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.4401	Other (At-Grade) Single-Lane	1998	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.
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.
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.
Truckee, CA Nevada Co. United States	Hwy 89 / I-80 WB Ramps (39.32386, -120.20760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.6518	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Buena Vista Blvd. / Stillwater Trl. (28.90300, -81.98000)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.6426	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Bypass lane for southbound through movement in addition to two entry lanes. ICD estimated from Google Maps linework.
Camp Verde, AZ Yavapai Co. United States	Middle Verde Rd. / I-17 NB Ramps (34.61039, -111.86160)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.4040	Freeway Ramps (Grade-Separated) Single-Lane	2006	ICD estimated from Google Maps linework.
The Villages, FL Sumter Co. United States	Morse Blvd. / Lake Sumter Landing (28.90930, -81.96960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.4114	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Bypass lane for northbound through movement. ICD estimated from Google Maps linework.
Bethlehem, NY Albany Co. United States	Krumkill Rd. / Schoolhouse Rd. (CR 204) (42.66450, -73.84795)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.3728	Other (At-Grade) Single-Lane	2008	South entrance built for a road that was subsequently rejected Previously controlled by two-way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Voorheesville, NY Albany Co. United States	Rte 85A (Maple Rd.) / Rte 155 (42.64936, -73.92110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Replaced a stop-controlled, channelized triangular intersection. Completed Fall 2003. First roundabout in Albany area.
Colonie, NY Albany Co. United States	Albany Shaker Rd. / Maxwell Rd. (42.72396, -73.79143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7278	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Chico, CA Butte Co. United States	W. 8th Ave. / Meadow Rd. (39.74013, -121.86330)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 24.7963	Other (At-Grade) Single-Lane	2005	Functional Class: Local ICD estimated from Google Maps linework.
Surrey, BC Greater Vancouver Regional District Canada	King George Hwy / 8th Ave. (49.01661, -122.76240)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.4647	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Acoma Indian Reservation, NM McKinley Co. United States	SH 30 / I-40 WB Ramps (35.07505, -107.56110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 65.4884	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	Merging right-turn bypass lane on north leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Cle Elum, WA Kittitas Co. United States	SR 903 / Bullfrog Rd (47.20810, -120.98210)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.3222	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Vernon, BC North Okanagan Regional District Canada	30th Ave. / 31st Ave. (50.26386, -119.28024)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 22.9043	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Unionville, PA Chester Co. United States	Rte. 82 (Doe Run Rd.) / Unionville Rd. (39.89142, -75.72215)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4909	Other (At-Grade) Single-Lane	2005	Previously controlled by one-way stop Functional Class: Arterial 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.
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.
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.
Calgary, AB Calgary Region Canada	8th St. / Frontenac Ave. (51.02937, -114.08350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.5433	Other (At-Grade) Single-Lane	2005	Driveway serving house entering roundabout. ICD estimated from Google Maps linework.
Truckee, CA Nevada Co. United States	Hwy 89 / I-80 EB Ramps (39.32243, -120.20770)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.4354	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.