Roundabouts Database Index

28782 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
Port Moody, BC Greater Vancouver Canada	David Ave. / Hertage Mountain Blvd. / (school access) (49.29850, -122.84327)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.5960	Other (At-Grade) Single-Lane	2003	http://www.minnowlake.ca/Roundabouts_in_Canada_2013%20(1).pdf ICD estimated from Google Maps linework.
Wildwood, MO St. Louis Co. United States	Manchester Rd. / Village Hills Pkwy. / Taylor Rd. (38.57818, -90.62749)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4797	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	Vane St. / Iowa St. / N 153rd St. (41.32268, -96.15411)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 26.0114	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	Iowa St. / N 154th Ave. (41.32389, -96.15616)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 25.1140	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	Potter St. / Sheffield Dr. / N 155th Ave. (41.32832, -96.15678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1123	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	N 171st St. / Emmet St. (41.28947, -96.18274)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.4350	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Bennington, NE Douglas Co. United States	Reynolds St. / N 153rd St. (41.33307, -96.15447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.4200	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Arngask Ave. / Echo Valley Dr. (48.46742, -123.51255)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9244	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	E Florida Ave. / S De Gaulle Way / S Duquesne Ct. (39.69027, -104.70622)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 56.0618	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Sapphire Pointe Blvd. / Sulfur Ln. / Peridot Ln. (39.42788, -104.84576)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 63.6545	Other (At-Grade) Single-Lane	2003	Single-stage pedestrian crossings, fully traversable splitter islands, no buffer between sidewalk and circulatory roadway. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Pavilion Dr. / (parking lots) (39.50940, -104.76748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6435	Other (At-Grade) Single-Lane	2003	Within shopping center. Year Completed estimated (2001-2004). ICD estimated from Google Maps linework.
Oakleaf Plantation, FL Clay Co. United States	Oakleaf Plantation Pkwy. / Plantation Oaks Blvd. (30.17679, -81.84863)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 58.8509	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2003-2004). ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Midpark Rd. / Henson Rd. (35.96671, -84.01232)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.9325	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Knoxville, TN Knox Co. United States	Midpark Rd. / (parking lot) (35.96348, -84.01397)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0004	Other (At-Grade) Single-Lane	2003	Fourth leg stubbed. ICD estimated from Google Maps linework.
Coeur d'Alene, ID Kootenai Co. United States	W Princetown Ln. / Talon Ln. / W Newbrook Dr. (47.74090, -116.83576)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.5520	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Davie, FL Broward Co. United States	SW 36th St. (S Post Rd.) / SW 154 Ave. (Shotgun Rd.) (26.07488, -80.35426)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1103	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Greenville, SC Greenville Co. United States	Millennium Blvd. / Innovation Dr. / (parking lot) (34.81381, -82.32213)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.7557	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (1994-2005). Fourth leg added 2016-2017. ICD estimated from Google Maps linework.
Oakville, ON Halton Canada	Parkglen Ave. / Kingsridge Dr. (43.44523, -79.75763)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2862	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2004). ICD estimated from Google Maps linework.
Mechanicsville, VA Hanover Co. United States	Battalion Dr. / Brigadier Rd. (37.64610, -77.34683)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4244	Other (At-Grade) Single-Lane	2003	Crosswalk ends in driveway. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Norfolk, NE Madison Co. United States	W Pasewalk Ave. / S 18th St. (42.02583, -97.43384)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.7288	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Perryville, MO Perry Co. United States	US 61 / N Main St. (MO Rte B) (37.73198, -89.86228)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.4504	Other (At-Grade) Single-Lane	2003	Skewed intersection with right-turn bypass lanes on north and south legs. ICD estimated from Google Maps linework.
Coral Terrace, FL Miami-Dade Co. United States	Devonshire Blvd. / SW 58th Ave. / SW 29th St. (25.74383, -80.28909)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 21.5157	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Coral Terrace, FL Miami-Dade Co. United States	Devonshire Blvd. / SW 59th Ave. / SW 30th St. (25.74284, -80.29109)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 21.5159	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Piscataway Township, NJ Middlesex Co. United States	Scarlet Knight Way / Campus Rd. / Bartholomew Rd. / Frelinghuysen Rd. (40.51776, -74.46132)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 57.1998	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Austin, TX Travis Co. United States	Keepsake Dr. / Empress Blvd. (30.18869, -97.81841)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	.
Austin, TX Travis Co. United States	Keepsake Dr. / Dulcet Dr. (30.18818, -97.81580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	.
Montreal, QC Montreal Canada	Boulevard de l'Île des Soeurs / Boulevard René-Lévesque (45.46579, -73.54476)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.8555	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Montreal, QC Montreal Canada	Boulevard de l'Île des Soeurs / Place du Commerce / Chemin du Golf (45.46789, -73.54627)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0676	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Atlanta, GA Fulton Co. United States	Camellia Ln. NE / Main St. NE (33.82267, -84.37127)	Other Existing	All-Way Stop None	3 Approaches 0 Driveways 38.6960	Other (At-Grade) Single-Lane	2003	Parking within circle. ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Hagey Blvd. / Wes Graham Way (43.47997, -80.54992)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 80.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2005).
Waterloo, ON Waterloo Canada	Laurelwood Dr. / Blue Beach Blvd. (43.46997, -80.59517)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2001-2004).
Fullerton, CA Orange Co. United States	Starbuck St. / Hughes Dr. (33.88227, -117.96367)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7709	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Nicolas Way / Hughes Dr. (33.88107, -117.95884)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.7967	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Starbuck St. / Hetebrink St. (33.88433, -117.96291)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7532	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Nicolas St. / Hetebrink St. / Benchley St. (33.88314, -117.95815)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7961	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Benchley Dr. / Sheddon St. (33.88638, -117.95555)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.8208	Other (At-Grade) Single-Lane	2003	Painted splitter islands. ICD estimated from Google Maps linework.
Bearfield Plaza, MO Boone Co. United States	S Bearfield Rd. / Chinaberry Dr. / Old US 63 (38.91501, -92.30289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.0906	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1995-2003). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Arden Valley St. (43.91533, -79.44181)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2295	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Shadow Falls Dr. (43.91635, -79.43746)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.6481	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Riverside at Somersett, NV Washoe Co. United States	Somersett Pkwy. / River Hill Way (39.52375, -119.91112)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.0393	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Town Square Way (39.53182, -119.91117)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.0576	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Autumn Ridge Cir. / Morgan Point Cir. (39.53265, -119.91611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.6627	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	Somersett Pkwy. / Logon Ridge Trl. / Evening Rock Trl (39.53394, -119.92088)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.9773	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Hamilton, ON Hamilton Canada	Stonehenge Dr. / Meadowlands Blvd. (43.21763, -79.94515)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2004). Flush splitter islands added 2012-2014. Borderline roundabout.
Kansas City, KS Wyandotte Co. United States	N 131st Dr. / Meadow Ln. (39.17638, -94.88099)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 36.5760	Other (At-Grade) Single-Lane	2003
Springville, UT Utah Co. United States	900 S / S 1750 W (40.15390, -111.64240)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 24.6468	Other (At-Grade) Single-Lane	2003	Partially painted splitter islands. ICD estimated from Google Maps linework.
Newnan, GA Coweta Co. United States	Calumet Pkwy. / Riva Ridge Ln. / Werz Industrial Dr. (33.40450, -84.76459)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9406	Other (At-Grade) Single-Lane	2003	Painted splitter islands on three legs. Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Garner, NC Wake Co. United States	Shenstone Blvd. / Carillon Dr. (35.69324, -78.58185)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.0092	Other (At-Grade) Single-Lane	2003	Located in White Oak Crossing strip mall. Under construction June, 2002 per Google Earth. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Colfax Circle (39.96639, -86.19635)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2003	No splitter islands; park in central island.
Summit Park, UT Summit Co. United States	Gorgoza Pines Rd. / (parking) (40.75044, -111.57153)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2003	No splitter islands. Year Completed estimated (2002-2004).
Waterloo, ON Waterloo Canada	Hagey Blvd. / Frank Trompa Dr. (43.47734, -80.54814)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2005).
Pasadena, CA Los Angeles Co. United States	Glenarm St. / Los Robles Ave. (34.12757, -118.14127)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2003
Las Vegas, NV Clark Co. United States	Park Vista Dr. / Vista Center Dr. / Vista Run Dr. (36.16161, -115.34478)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2003	Clock tower in central island.
Raleigh, NC Wake Co. United States	Falls River Ave. / St Pauls Sq. (35.93013, -78.56393)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.1443	Other (At-Grade) Single-Lane	2003	Oval shaped. Year Completed estimated (2002-2005). ICD = 220 ft x 115 ft. ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Doon S Dr. / Doon Mills Dr. / Chestnut Hill Crescent (43.38216, -80.42836)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5128	Other (At-Grade) Single-Lane	2003	Year Completed estimated (before 2005). ICD estimated from Google Maps linework.
Wilmington, NC New Hanover Co. United States	Kornegay Ave. / McClammy St. (34.25321, -77.91018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 16.7640	Other (At-Grade) Single-lane w/ Traversable Central Island	2003
Aurora, ON York Canada	Hartwell Way / Conover Ave. (44.01954, -79.44469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005).
Ogden, UT Weber Co. United States	W 2nd St. / Stewart Dr. (41.25915, -111.99347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Constructed initially as multilane with unstriped circulatory roadway and undesignated lanes. Circulatory roadway striping added 2011. Converted from multilane to single-lane 2017-2018. 21442.
Ogden, UT Weber Co. United States	W 2nd St. / S Depot Dr. (41.25886, -111.99799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Single-Lane	2003	Right-turn only lane on south leg. Constructed initially as multilane with unstriped circulatory roadway and undesignated lanes. Circulatory roadway striping added 2011.
Hagerstown, MD Washington Co. United States	Hagers Crossing Dr. / Bartow Dr. / Sedgwick Way (39.65981, -77.75932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Orlando, FL Orange Co. United States	Grande Lakes Dr. / (parking) (28.40548, -81.42603)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Single-Lane	2003	Entrance to Grande Lakes Resort.
L’Assomption, QC L'Assomption Regional County Municipality Canada	Chemin du Golf / Rang Point du Jour N / Boulevard Lafortune (45.83759, -73.41587)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005).
Fort Worth, TX Tarrant Co. United States	Ash Meadow Dr. / Darlington Trl. (32.88668, -97.34977)	Other Existing	Unknown None	4 Approaches 12 Driveways 85.3437	Other (At-Grade) Single-Lane	2003	Pedestrian access to central island.
(unincorporated), TX Fort Bend Co. United States	Marina Bay Ln. / Chelsea Harbour Ln. (29.60842, -95.68273)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 33.5270	Other (At-Grade) Single-Lane	2003	Residential subdivision.
Kyle, TX Hays Co. United States	Hutton Dr. / Rector St. (30.01676, -97.88645)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	2003	No splitter islands.
Westlake, TX Tarrant Co. United States	Post Oak Pl. / High Country Dr. (32.97768, -97.19130)	Other Existing	Uncontrolled None	3 Approaches 1 Driveways 32.0037	Other (At-Grade) Single-Lane	2003	Residential Subdivision.
Leander, TX Williamson Co. United States	Osage Dr. / Aspen Meadow Rd. (30.54087, -97.85300)	Other Existing	Other None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	Painter splitter islands on two legs. Stop control and no splitter island on one leg.
Leander, TX Williamson Co. United States	Osage Dr. / Saddle Blanket Pl. (30.53947, -97.85740)	Other Existing	Other None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	Stop control and no splitter islands on two legs.
Kyle, TX Hays Co. United States	Scrutchins Rd. / Hogan Dr. (30.00930, -97.87845)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2003	No splitter islands.
San Antonio, TX Bexar United States	Roan Bluff / Roan Chase (29.64325, -98.44602)	Other Existing	Uncontrolled None	3 Approaches 1 Driveways 53.0352	Other (At-Grade) Single-Lane	2003	No splitter islands or control. Elliptical shaped.
(unincorporated), TX Fort Bend Co. United States	Lakebluff Circle [Grand Trace Ln. / Lakeshadow Ln. / Hollow Trace Ln. / Briar Summit Ln.] (29.72184, -95.77886)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 150.8760	Other (At-Grade) Single-Lane	2003	Pedestrian access to central island; no splitter islands.
Frisco, TX Denton Co. United States	Grayhawk Circle [Talon Dr. / Grayhawk Blvd.] (33.18576, -96.87957)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 207.2640	Other (At-Grade) Single-Lane	2003
Sun Prairie, WI Dane Co. United States	Gaslight Dr. / Carriage Dr. (43.18638, -89.18950)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2608	Other (At-Grade) Single-Lane	2003	Exact year of opening unknown. Year Completed estimated (2000-2005).
Northwest Warren, MI Macomb Co. United States	William Durant Blvd. / Charles Chayne Rd. (42.50727, -83.04056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Inside General Motors plant.
Brampton, ON Peel Canada	Hallstone Rd. / Nova Scotia Rd. / Black Bear Trl. (43.62782, -79.76100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0000	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1985-2004).
O'Fallon, MO St. Charles Co. United States	Technology Dr. / Waterbury Falls Dr. (38.71843, -90.69627)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003). Southwest leg added 2008-2009.
O'Fallon, MO St. Charles Co. United States	Technology Dr. / Progress Point Pkwy. / (parking) (38.71685, -90.69499)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003).
Gilbert, AZ Maricopa Co. United States	E Oxford Ln. / S Swan Dr. (33.31913, -111.69381)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-Lane	2003	No splitter islands.
Gilbert, AZ Maricopa Co. United States	E Loma Vista St. / S Swan Dr. (33.31564, -111.69268)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2003	No splitter islands.
Apollo Beach, FL Hillsborough Co. United States	Tybee Island Dr. / Mirabay Blvd. (27.75296, -82.42615)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 56.3877	Other (At-Grade) Single-Lane	2003
Saint Lucie West, FL St. Lucie Co. United States	Champions Way / One Putt Pl. (27.29932, -80.41923)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2003
Commerce City, CO Adams Co. United States	E 121st Ave. / Jasper St. (39.91627, -104.80425)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2003
Valdosta, GA Lowndes Co. United States	Spring Branch Cir. / Bear Lake Rd. (30.81122, -83.37673)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Valdosta, GA Lowndes Co. United States	Kinderlou Forest / Island Creek Rd. (30.80303, -83.38523)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Valdosta, GA Lowndes Co. United States	Kinderlou Forest / Bear Lake Rd. (30.80957, -83.38506)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Valdosta, GA Lowndes Co. United States	Kinderlou Forest / Quail Run Cir. (30.81563, -83.38320)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Valdosta, GA Lowndes Co. United States	Kinderlou Forest / Quail Run Cir. (north) (30.81873, -83.38354)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).
Mesa, AZ Maricopa Co. United States	S Innovation Way W / E Williams Field Rd. (33.30716, -111.68114)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2003	On Arizona State University Polytech campus. No truck apron. Merging right-turn bypass lane on west leg; add-lane right-turn bypass lane on north leg. Constructed initially as two-lane roundabout with unstriped circulatory roadway; converted to single-lane 2011-2012.
Desert View, AZ Maricopa Co. United States	E Marriott Dr. / (parking) (33.68131, -111.96826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.4904	Other (At-Grade) Single-Lane	2003	Constructed initially as double-lane roundabout with unstriped circulatory roadway. Converted to single-lane 2011-2012 by striped out inside circulating lane.
Omaha, NE Douglas Co. United States	N 122nd St. / Whitmore St. / Read St. (41.32106, -96.10421)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2003).
Keystone, NE Douglas Co. United States	Boyd St. / N 87th Ave. (41.29817, -96.04882)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004).
Overland Park, KS Johnson Co. United States	W 76th St. / Newton St. (38.99142, -94.67472)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 16.7637	Other (At-Grade) Single-Lane	2003	This was part of a larger neighborhood street reconstruction project with a number of traffic calming circles constructed. Year Completed estimated (2001-2003).
Greenwood, IN Johnson Co. United States	Chancery Blvd. / Coventry Ln. (39.57355, -86.20587)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1998-2003).
Engelwood, CO Douglas Co. United States	Aviator Way / Aviator Ln. (39.55846, -104.84554)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2003). South leg added 2004-2005.
Odenton, MD Anne Arundel Co. United States	Piney Orchard Pkwy. / Roaming Ridge Way / Village Center Dr. (39.06702, -76.71951)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Year Completed estimated (2002-2004).
Montreal, QC Montreal Canada	Boulevard des Sources / Boulevard Riverdale / Rue Debours (45.51300, -73.82524)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0000	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004).
Boynton Beach, FL Palm Beach Co. United States	Quantum Blvd. / (parking) (26.55225, -80.08447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004).
Columbia, SC Richland Co. United States	Old Somerby Way / Lake Carolina Dr. / Granbury Ln. (34.18569, -80.88220)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2003
Columbia, SC Richland Co. United States	Lake Carolina Dr. / Hartmill Dr. (34.18884, -80.89329)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2003
Hagerstown, MD Washington Co. United States	Observatory Dr. / Meridian Dr. (39.61678, -77.67508)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2005).