Roundabouts Database Index

29465 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Saint Leonard, MD Calvert Co. United States	Calvert Beach Rd. / MD 765 Saint Leonard Rd. (38.47316, -76.50607)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 25.2460	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	14th Ave. SE / E Bay Dr. / Henderson Blvd. SE (47.02971, -122.89140)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.3772	Other (At-Grade) Single-Lane	2005	Opened July 2005. Southbound right turn bypass lane. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	New Castle Dr. / Tabernash Dr. (40.42599, -105.12010)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 24.5477	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Scenic Dr. / Foothills Dr. (40.39674, -105.13522)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1998	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO Larimer Co. United States	Sculptor Dr. / Corvus Dr. (40.39647, -105.03130)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 37.2926	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Tacanecy Dr. / Marcy Dr. (40.39230, -105.12140)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 29.1082	Other (At-Grade) Single-Lane	1995	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Tiger Ave. / Angora Dr. (40.37680, -105.12750)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 28.2050	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Valley Oak Dr. / Clearwater Dr. (40.44328, -105.02180)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.5398	Other (At-Grade) Single-Lane	2000	Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Main St. / (unknown) (39.51799, -104.75580)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 19.3480	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	G Rd. / 25th Rd. (39.10636, -108.58940)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.5834	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	G Rd. / 24 1 / 2 Rd. (39.10635, -108.59870)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.2905	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Crestone Dr. / Foothills Dr. (40.39717, -105.13149)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1997	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Greeley, CO Weld Co. United States	W. 29th St. / 67th Ave. (40.38995, -104.78710)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 48.2121	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Erie, CO Weld Co. United States	Vista Pkwy. / Mountain View Blvd. (40.00784, -105.03110)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 27.4441	Other (At-Grade) Single-Lane	2006	Northbound right turn bypass lane. Functional Class: Local ICD estimated from Google Maps linework.
Broomfield, CO Adams Co. United States	Zang St. / (parking lot #1) (39.92782, -105.13320)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 36.6350	Other (At-Grade) Single-Lane	2001	Serves commercial development. ICD estimated from Google Maps linework.
Broomfield, CO Adams Co. United States	Zang St. / (parking lot #2) (39.92641, -105.13170)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 35.7199	Other (At-Grade) Single-Lane	2001	Serves commercial development. ICD estimated from Google Maps linework.
Englewood, CO Arapahoe Co. United States	Englewood Pkwy. / S. Cherokee St. (39.65491, -104.99110)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 41.3782	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Scenic Dr. / Lookout Dr. (40.39773, -105.13528)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1998	Painted splitter islands; unmarked pedestrian crossings along circulatory roadway.
Loveland, CO Larimer Co. United States	E. 13th St. / (unknown) / (parking lot) (40.40565, -105.03960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 132.7798	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Quakertown, PA Bucks Co. United States	Station Rd. / Old Bethlehem Pike (40.42421, -75.33921)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.0036	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rocky Mountain Ave. / Medical Center of the Rockies South (40.41537, -105.00150)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 40.0100	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rocky Mountain Ave. / Medical Center of the Rockies North (40.41752, -105.00030)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 47.2831	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
Anchorage, AK Anchorage United States	Elmore Rd. / E 135th Ave. / South Anchorage High School (61.09869, -149.80410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3650	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Promenade Dr. / Somerset Cir. (38.64501, -121.73150)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7154	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Campos Ave. / Mack Way / Shoemaker Ct. (38.64920, -121.73140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1843	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Woodland, CA Yolo Co. United States	Campos Ave. / Ortiz Ave. (38.65290, -121.73120)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7792	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Commerce City, CO Adams Co. United States	Wheeling St. / E 106th Ave. / Victor St. (39.88895, -104.83121)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Painted splitter islands.
Parker, CO Douglas Co. United States	E. Neu Towne Pkwy. / (unknown) (39.51047, -104.78530)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.0931	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	E. Neu Towne Pkwy. / S. Cedar Gulch Ln. (39.51147, -104.79250)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 35.0140	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Applewood, CO Jefferson Co. United States	W. 32nd Ave. / Eldridge St. (39.76180, -105.15660)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.3790	Other (At-Grade) Single-Lane	2005	North leg serves golf course parking lot. ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	King Ave. / St. Vincent Way (45.75520, -108.62260)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9990	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Previously controlled by two-way stop Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Bozeman, MT Gallatin Co. United States	Baxter Ln. / Ferguson Ave. (45.70024, -111.09310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Annie St. (45.68916, -111.11383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003
Bozeman, MT Gallatin Co. United States	Laurel Pkwy. / Glenellen Dr. / Sherwood Way (45.69050, -111.11401)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003
Clackamas, OR Clackamas Co. United States	SE 172nd Ave. / SE Creekwood Rd. (45.41880, -122.48550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.5928	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Creekwood Rd. is new roadway; SE 172nd Avenue is existing. ICD estimated from Google Maps linework.
Billings, MT Yellowstone Co. United States	King Ave. / Olympic Blvd. (45.75507, -108.61360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.1658	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Meridian, ID Ada Co. United States	Pine St. / Webb Rd. (43.61220, -116.36840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.9126	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Burnside, AZ Apache Co. United States	US 191 / AZ 264 (35.75473, -109.62710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2009	Right-turn bypass lane. Elliptical shaped. ICE = 180 ft x 160 ft.
Flagstaff, AZ Coconino Co. United States	Dodge Ave. / Railhead Ave. (35.22522, -111.57000)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 38.0498	Other (At-Grade) Single-Lane	2007	By developer. ICD estimated from Google Maps linework.
West Fargo, ND Cass Co. United States	CR 17 / 52nd Ave S. (46.80409, -96.90268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.5982	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Neenah, WI Winnebago Co. United States	Co. Hwy. PP / Jacobsen Rd. / American Dr. (44.21429, -88.47825)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.8167	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
San Diego, CA San Diego Co. United States	Sea Ridge Dr. / Chelsea St. (32.80875, -117.26520)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0801	Other (At-Grade) Single-Lane	2007	Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework.
Sacramento, CA Sacramento Co. United States	Rush River Dr. / Windbridge Dr. (38.48465, -121.53360)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 32.7212	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS Douglas Co. United States	E. 17th St. / New Hampshire St. (38.95364, -95.23475)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 13.0029	Other (At-Grade) Single-Lane	2005	Year Completed estimated (fuzzy aerial photos). ICD estimated from Google Maps linework.
Rio Puerco, NM Bernalillo Co. United States	Central Ave. / I-40 EB Ramps (35.03048, -106.94750)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 68.4580	Freeway Ramps (Grade-Separated) Single-Lane	2008	Owned by New Mexico DOT. Previously controlled by stop control ICD estimated from Google Maps linework.
Vancouver, BC Greater Vancouver Regional District Canada	16th Ave. / Westbrook Mall (49.25575, -123.23630)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.0940	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	On campus of University of British Columbia. Functional Class: Arterial ICD estimated from Google Maps linework.
Casa Grande, AZ Pinal Co. United States	N. Pottebaum Ave. / E. Anna Dr. (32.88727, -111.72700)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 24.0702	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Pearl City, HI Oahu Co. United States	Kuahaka St. / Kalauipo St. (21.41052, -157.96720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.4619	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Pearl City, HI Oahu Co. United States	Kuahaka St. / Kaweloka St. (21.40495, -157.97320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.7912	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Kailua, HI Oahu Co. United States	Ulupuni St. / Uluhala St. (21.37803, -157.75590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.5702	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Pukalani, HI Maui Co. United States	Kupaoa St. / Ohiaku St. (20.82094, -156.33001)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2005
Rowlett, TX Dallas Co. United States	Main St. / Coyle St. / Skyline Dr. (32.90316, -96.56289)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2006	.
Great Neck, NY Nassau Co. United States	Barstow Rd. / South Station Pl. (40.78735, -73.72462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.6068	Other (At-Grade) Single-Lane	2003	High pedestrian activitiy associated with commuter rail station below the roundabout. ICD estimated from Google Maps linework.
Surrey, BC Greater Vancouver Regional District Canada	King George Hwy / 14th St. (Ave.?) (49.02746, -122.77110)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.7585	Other (At-Grade) Single-Lane	2007	http://www.icbc.com/road_safety/road_improve_pu/surrey.asp ICD estimated from Google Maps linework.
Topeka, KS Shawnee Co. United States	SW 21st St. / Urish Rd. (39.02899, -95.78088)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1005	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Completed November 2008. ICD estimated from Google Maps linework.
Oromocto, NB Sunbury Canada	Restigouche Rd. / Miramichi Rd. (45.83573, -66.48306)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 64.9046	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Gatineau, QC Outaouais Region Canada	Rte. 148 / Rue des Laurentides (45.52187, -75.49563)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 23.4301	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Princess Ave. / Rockcliffe Pkwy. (45.44599, -75.68909)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.4647	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Lee's Summit, MO Jackson Co. United States	SW Longview Blvd. / SW Fascination Dr. (38.91153, -94.44954)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6077	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Lee's Summit, MO Jackson Co. United States	SW Longview Blvd. / SW Keesler Dr. (38.90892, -94.44749)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6093	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Lee's Summit, MO Jackson Co. United States	SW Longview Blvd. / SW Longview Rd. / SW Redbuck Cir. (38.90582, -94.44718)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.1878	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Lee's Summit, MO Jackson Co. United States	Bridlewood Dr. / Lewis Dr. (38.91375, -94.44021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2007
North Cowichan, BC Cowichan Valley Regional District Canada	Chemainus Rd. / Henry Rd. (48.91472, -123.71340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8258	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
North Cowichan, BC Cowichan Valley Regional District Canada	Tzouhalem Rd. / Maple Bay Rd. (48.78071, -123.67160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1188	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
North Cowichan, BC Cowichan Valley Regional District Canada	Sherman Rd. / Cowichan Lake Rd. (48.79214, -123.73620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.4726	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Delta, BC Metro Vancouver Canada	82nd Ave. / 116th St. (49.15220, -122.90150)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0911	Other (At-Grade) Unknown	2005	ICD estimated from Google Maps linework.
Kelowna, BC Central Okanogan Canada	Burtch Rd. / Byrns Rd. (49.87102, -119.46580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.1717	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Edmonton, AB Edmonton Capital Region Canada	98 Ave. NW / 84 St. NW / 85 St. NW (53.53761, -113.45620)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 72.3979	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Camrose, AB Central Alberta Canada	Valleyview Dr. / 28 Ave. (52.99531, -112.83900)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5045	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Edmonton, AB Edmonton Capital Region Canada	101 St. NW / 118 Ave. NW / Princess Elizabeth Ave. NW (53.57004, -113.49450)	Other Existing	Unknown Unknown	4 Approaches 3 Driveways 77.3071	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Edmonton, AB Edmonton Capital Region Canada	87 Ave. NW / 142 St. NW (53.51936, -113.56570)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 73.1392	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Camrose, AB Central Alberta Canada	73 St. / 45 Ave. (53.01372, -112.86572)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2005	No splitter islands.
Edmonton, AB Edmonton Capital Region Canada	145 St. NW / 146 St. NW / 96 Ave. NW (53.53242, -113.57270)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 26.9751	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Calgary, AB Calgary Region Canada	Springbank Blvd. / Springbank Dr. (51.01912, -114.20230)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 25.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
North Saanich, BC Capital Regional District Canada	Willington Rd. / E. Saanich Rd. (48.63520, -123.42030)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9387	Other (At-Grade) Single-Lane	2005	http://www.icbc.com/road_safety/pdf/vancouver%20island/north%20saanich.pdf ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Regional Municipality Canada	Ira Needles Blvd. / Victoria St. S. (43.42872, -80.55302)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 46.8373	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework.
Kitchener/Waterloo, ON Waterloo Regional Municipality Canada	Ira Needles Blvd. / University Ave. (43.43700, -80.55984)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 53.7688	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Regional Municipality Canada	Fischer-Hallman Rd. / Huron Rd. (43.38225, -80.48878)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Single-Lane	2007
Kitchener, ON Waterloo Regional Municipality Canada	Fischer-Hallman Rd. / Seabrook Dr. (43.38706, -80.49034)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.0946	Other (At-Grade) Single-Lane	2007	Sized as double-lane but striped as single-lane with yellow spiral hatching next to truck apron. ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Courtway Dr. / Siebenmorgan Rd. (35.09868, -92.41469)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0634	Other (At-Grade) Single-Lane	2007	Schools located within one block on three of four approaches Functional Class: Collector ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Prince St. / Western Ave. (35.09203, -92.45590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.7935	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Located at Entrance to High School Complex Previously controlled by two way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Conway, AR Faulkner Co. United States	Bruce St. / Farris Rd. (35.08129, -92.46307)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.0719	Other (At-Grade) Single-Lane	2008	Adjacent to University of Central Arkansas Campus and Sports Venues. Functional Class: Arterial ICD estimated from Google Maps linework.
Cupertino, CA Santa Clara Co. United States	Portal Ave. / Wheaton Dr. (37.32445, -122.01964)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2002).
Springfield, IL Sangamon Co. United States	Capitol Ave. / 12th St. (39.79816, -89.63947)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2012
Hayward, CA Alameda Co. United States	Orchard Ave. / Joyce St. (37.65808, -122.07850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.9103	Other (At-Grade) Single-Lane	2000	Painted splitter islands. Built as temporary in February 2000, reconstructed permanent central island 2001 (http://ci.hayward.ca.us/citygov/meetings/cca/rp/2000/rp091900-05.pdf). ICD estimated from Google Maps linework.
Escalon, CA San Joaquin Co. United States	1st Ave. / Riesling Way (37.79437, -121.01140)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 18.8755	Other (At-Grade) Single-Lane	2000	Painted splitter islands. ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. College Dr. / Southside Pkwy. (34.92111, -120.42530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.0676	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. College Dr. / E. McCoy Ln. (34.91648, -120.42510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8427	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Fatal crash October 15, 2009. 11861-05. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. Bradley Rd. / Southside Pkwy. (34.92075, -120.42200)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0056	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Santa Maria, CA Santa Barbara Co. United States	S. Bradley Rd. / E. McCoy Ln. (34.91219, -120.42160)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.8868	Other (At-Grade) Multilane (2 Lane, unspecified)	2002	No circulatory roadway striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Avonport, NS Kings Canada	Trunk 1 / Hwy 101 WB Ramps / Oak Island Rd. (45.10019, -64.25748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Freeway Ramps (Grade-Separated) Single-Lane	2006
Carmel, IN Hamilton Co. United States	W 116th St. / Spring Mill Rd. (39.95610, -86.16467)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2005	Built initially as single-lane roundabout; expanded to two-lane roundabout in 2013-2014.
Carmel, IN Hamilton Co. United States	W 116th St. / N Illinois St. (39.95615, -86.16245)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2005
Carmel, IN Hamilton Co. United States	N Illinois St. / W Carmel Dr. / Hamilton Crossing Blvd. (39.97234, -86.16048)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Skewed intersection.
Carmel, IN Hamilton Co. United States	W Main St. / N Illinois St. (39.97783, -86.16228)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2005
Carmel, IN Hamilton Co. United States	131st St. / Oakridge St. (39.98528, -86.14577)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.6042	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Minden, NV Douglas Co. United States	Hwy 88 / County Rd. / Mahogany Rd. (38.95578, -119.77936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9337	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Coopersville, MI Ottawa Co. United States	68th Ave. / Randall St. (43.05976, -85.95670)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3956	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Regional Municipality Canada	Fountain St. / Blair Rd. (43.38601, -80.38981)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2005
Palo Alto, CA Santa Clara Co. United States	Addison Ave. / Bryant St. (37.44197, -122.15540)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 15.1722	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.