Roundabouts Database Index

29410 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
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.
Woolwich, ON Waterloo Regional Municipality Canada	Arthur St. / Sawmill Rd. (43.54355, -80.54693)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2006
Kitchener, ON Waterloo Regional Municipality Canada	Ira Needles Blvd. / Highland Rd. (43.42294, -80.55246)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 83.2743	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Fishhook pavement markings. Series of five roundabouts. ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Regional Municipality Canada	Ira Needles Blvd. / Highview Dr. (43.41460, -80.55273)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 45.1131	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Fishhook pavement markings. Series of five roundabouts. 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	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.
Winnipeg, MB Winnipeg Capital Region Canada	Shorehill Dr. / (unknown #2) (49.82688, -97.07213)	Roundabout Existing	All-Way Yield None	0 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2006
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.
Deale, MD Anne Arundel Co. United States	MD 256 / MD 258 (38.79327, -76.54586)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 34.4423	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Erie, CO Weld Co. United States	Lehigh Cir. / Bonanza Dr. (40.03702, -105.04080)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 29.2612	Other (At-Grade) Single-Lane	2006	Functional Class: Local 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.
White Center, WA King Co. United States	10th Ave. SW / SW 100th St. (47.51379, -122.34770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 12.1000	Other (At-Grade) Single-lane w/ Traversable Central Island	2006	Opened April 2006. Previously controlled by two-way stop ICD estimated from Google Maps linework.
White Center, WA King Co. United States	9th Ave. SW / SW 100th St. (47.51379, -122.34640)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 14.5200	Other (At-Grade) Single-lane w/ Traversable Central Island	2006	Opened April 2006. Previously controlled by two-way stop Functional Class: Neighborhood Collector ICD estimated from Google Maps linework.
University Place, WA Pierce Co. United States	40th St. W / Drexler Dr. W (47.22084, -122.53430)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 31.6351	Other (At-Grade) Single-Lane	2006	Completed June 2006. ICD estimated from Google Maps linework.
McAdenville, NC Gaston Co. United States	Wesleyan Ave. / Church St. (35.25438, -81.07686)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 75.0970	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Asheville, NC Buncombe Co. United States	Bleachery Blvd. / Wal-Mart parking lot entrance (35.57649, -82.51315)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 36.9130	Other (At-Grade) Single-Lane	2006	Built by developer - entrance to Wal-Mart parking lot. ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	S 334th St. / 38th Ave. S (47.30278, -122.28610)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.3466	Other (At-Grade) Single-Lane	2006	Opened January 2006. ICD estimated from Google Maps linework.
Gig Harbor, WA Pierce Co. United States	Borgen Blvd. / Peacock Hill Ave. NW (47.35992, -122.58930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6979	Other (At-Grade) Single-Lane	2006	Opened January 2006. ICD estimated from Google Maps linework.
Chehalis, WA Lewis Co. United States	NW Louisiana Ave. / Wal-Mart-Home Depot Access (46.67881, -122.97600)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.3319	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Opened September 2006. Fourth leg opened late 2015/early 2016. ICD estimated from Google Maps linework.
South Jordan, UT Salt Lake Co. United States	River Front Pkwy. / 10750 South (40.55468, -111.91360)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 108.8921	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
South Jordan, UT Salt Lake Co. United States	River Front Pkwy. / 11050 South (40.55050, -111.91690)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 52.6345	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
South Jordan, UT Salt Lake Co. United States	Daybreak View Pkwy. (11400 South) / Kestrel Ridge Rd. (40.54686, -111.99760)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 133.4084	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
South Jordan, UT Salt Lake Co. United States	Daybreak View Pkwy. (11400 South) / Oakmond Rd. (40.54534, -112.00610)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 60.8066	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Functional Class: Arterial ICD estimated from Google Maps linework.
Sheboygan Falls, WI Sheboygan Co. United States	STH 28 / STH 32 (43.71747, -87.81612)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1180	Other (At-Grade) Single-Lane	2006	Opened September 2006. High speed approach roadways. ICD estimated from Google Maps linework.
Fishers, IN Hamilton Co. United States	Marilyn Rd. / E 136th St. (39.98648, -85.95198)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1130	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Federal Way, WA King Co. United States	S 317th St. / 28th Ave. S / I-5 HOV Access Ramps (47.31781, -122.29760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.4836	Freeway Ramps (Grade-Separated) Single-Lane	2006	Opened February 2006. ICD estimated from Google Maps linework.
Kinderhook, NY Columbia Co. United States	US 9 / Rte 9H / State Farm Rd. (42.42835, -73.68868)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 38.7886	Other (At-Grade) Single-Lane	2006	This was built to replace traffic lights when a shopping plaza was being added - US Route 9 has North and South, State Rt 9H South, State Farm Road (Town Road) and the entrance to the plaza, which makes it an unusual set up (5 Entries with 9 and 9H creating a Y shape, and then the plaza/state farm entries across from each other, going across the stem of the Y). ICD estimated from Google Maps linework.
Marysville, WA Snohomish Co. United States	Shoultes Rd. / 51st Ave. NE / 108th St. NE (48.09268, -122.16210)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 29.5158	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Opened September 2006. ICD estimated from Google Maps linework.
Wake Forest, NC Wake Co. United States	South Ave. (NC 98-US 1 Alt) / S Main St. (35.97893, -78.51203)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.2627	Other (At-Grade) Single-Lane	2006	Moving Ahead project. ICD estimated from Google Maps linework.
Davidson, NC Mecklenburg Co. United States	Griffith St. / Davidson Gateway Dr. (35.50277, -80.86375)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 36.9469	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Built by developer - multilane existing intersection. ICD estimated from Google Maps linework.
Davidson, NC Mecklenburg Co. United States	Griffith St. / Jetton St. (35.50210, -80.86121)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 39.8641	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Built by developer - multilane existing intersection. ICD estimated from Google Maps linework.
Norwood, NC Stanly Co. United States	Cottonville Rd. / S. Stanly School Rd. (35.23319, -80.16761)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.1684	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Waxhaw, NC Union Co. United States	Waxhaw-Indian Trl. / Potter Rd. (35.02373, -80.69185)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.2538	Other (At-Grade) Single-Lane	2006	Safety location. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	61st Ave. S / S. Cooper St. (47.51166, -122.25710)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Seattle, WA King Co. United States	42nd Ave. SW / SW Hinds St. (47.57318, -122.38570)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 9.6690	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Linden Ave. N / N. 42nd St. (47.65774, -122.34850)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 56.3115	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	44th Ave. SW / SW College St. (47.58301, -122.38780)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 37.0576	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	30th Ave. SW / SW Cloverdale St. (47.52648, -122.37120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 64.5176	Other (At-Grade) Unknown	2006	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
Seattle, WA King Co. United States	34th Ave. SW / SW Henderson St. (47.52286, -122.37530)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 42.7458	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	61st Ave. S / S Norfolk St. (47.51337, -122.25705)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006
Truckee, CA Nevada Co. United States	Brockway Rd. / Martis Valley Rd. (39.32135, -120.16269)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2006
Oviedo, FL Seminole Co. United States	Franklin St. / Geneva Dr. / Division St. (28.67359, -81.20439)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 34.5795	Other (At-Grade) Single-Lane	2006	Website: http://www.cityofoviedo.net/files/Roundabouts.pdf ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / Kelch Dr. / Blacksmith Dr. (Malta Commons) (42.97068, -73.79804)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Part of a series of 5 roundabouts.
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
Greenwich, CT Fairfield Co. United States	King St. / Rye Lake Ave. (41.07508, -73.70280)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006	Temporary roundabout installed May 12, 2004. Functional Class: Local.
Garnett, KS Harvey Co. United States	US 59 / US 169 (38.25832, -95.24861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.8910	Other (At-Grade) Single-Lane	2006	None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	40th Ave. SW / SW Manning St. (47.57122, -122.38250)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 7.2520	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	28th Ave. NE / NE Hiram Pl. / NE 120th St. (47.71572, -122.29810)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 164.7289	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	24th Ave. S / S. Dearborn St. (47.59557, -122.30120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 13.6919	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Phoenix, AZ Maricopa Co. United States	E. Mountain View Rd. / N. Central Ave. (33.57510, -112.07360)	Traffic Calming Circle Existing	All-Way Yield None	0 Approaches 0 Driveways 16.9162	Other (At-Grade) Single-Lane	2006	Mini-roundabout ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	NW Shevlin Park Rd. / Newport Ave. / College Way (44.06240, -121.33770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6125	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	25th Ave. S / S Dearborn St. (47.59556, -122.30010)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	0 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Seattle, WA King Co. United States	26th Ave. S / S. Dearborn St. (47.59555, -122.29880)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 48.3244	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	26th Ave. S / S. Judkins St. (47.59209, -122.29900)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 20.9420	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.4267	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd. (39.52945, -104.87450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.3498	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	24th Ave. S / S. Norman St. (47.59301, -122.30120)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 41.0778	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Dawsonville, GA Dawson Co. United States	SR 9E (Lumpkin Campground Rd.) / SR 318 (Dawson Forrest Rd.) (34.35427, -84.05168)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2006
Copley Township, OH Summit Co. United States	Ridgewood Rd. / Hametown Rd. (41.11395, -81.66791)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1947	Other (At-Grade) Single-Lane	2006	Opened August 21, 2006. ICD estimated from Google Maps linework.
Clackamas, OR Clackamas Co. United States	Monterey Ave. / Stevens Rd. (45.43780, -122.56390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8738	Other (At-Grade) Single-Lane	2006	Fourth leg serves New Hope Community Church parking lot. 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.
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.
Malta, NY Saratoga Co. United States	Rte 67 (Dunning St.) / US 9 (42.97116, -73.79296)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006	Part of a series of 5 roundabouts.
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.
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.
Durango, CO La Plata Co. United States	Wilson Gulch Dr. / Three Springs Blvd. (37.23339, -107.82310)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006
Clovis, NM Curry Co. United States	Hwy 245 (Llano Estacado Blvd.) / Norris St. (34.43384, -103.17830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.3276	Other (At-Grade) Single-Lane	2006	Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Modesto, CA Stanislaus Co. 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.
Modesto, CA Stanislaus Co. United States	Sylvan Ave. / Millbrook Ave. (37.68898, -120.93520)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.3658	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	22nd Ave. E / E Thomas St. (47.62138, -122.30360)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Overland Park, KS Johnson Co. United States	133rd St. / Lamar Ave. (38.88654, -94.65847)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1862	Other (At-Grade) Single-Lane	2006	Completed May 2006. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Densmore Ave. N / N 137th St. (47.72867, -122.33830)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 16.8705	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	E. Brigham Rd. / I-15 NB Ramps (37.05939, -113.58350)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.8889	Freeway Ramps (Grade-Separated) Single-Lane	2006	Raindrop-shaped interchange terminal. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	29th Ave. S / S. Judkins St. (47.59217, -122.29550)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 12.8873	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	31st Ave. E / E. Denny St. (47.62016, -122.29230)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 64.4023	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Orem, UT Utah Co. United States	2000 South / Sandhill Rd. (40.26074, -111.70420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.7220	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Linden Ave. N / N. 36th St. (47.65116, -122.34860)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 35.4002	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Woodlawn Ave. N / N. 36th St. (47.65051, -122.33870)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 12.8730	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	2nd Ave. NE / NE 91st St. (47.69499, -122.32710)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.0388	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	4th Ave. N / N. Prospect St. (47.62890, -122.34880)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 10.4636	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Malta, NY Saratoga Co. 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, unspecified)	2006	Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
St. George, UT Washington Co. United States	E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd. (37.05999, -113.58560)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 78.1526	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Combines interchange ramps and frontage road. ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	21st Ave. E / E. Republican St. (47.62320, -122.30470)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 5.6349	Other (At-Grade) Unknown	2006	ICD estimated from Google Maps linework.
Seattle, WA King Co. United States	Sunnyside Ave. N / N 43rd St. (47.65912, -122.33020)	Traffic Calming Circle Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2006
Washington, UT Washington Co. United States	Camino Real / Silver Falls Dr (37.10077, -113.49480)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4822	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Perimeter St. (43.01009, -89.72186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5667	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Brookwood Dr. (43.00978, -89.71380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.8068	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Telmark Pkwy. (43.00933, -89.71098)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.6540	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Mount Horeb, WI Dane Co. United States	Springdale St. / Ridgeview Rd. / Lillehammer Ln. (43.00663, -89.70390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.4418	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Series of five roundabouts. Functional Class: Arterial ICD estimated from Google Maps linework.
Ottawa, ON City of Ottawa Canada	Ruskin St. / Melrose Ave. / Reid Ave. / Laurentian Pl. (45.39478, -75.71996)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 31.0311	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Fernley, NV Lyon Co. United States	US 50A / US 95A (39.60358, -119.22700)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.6907	Other (At-Grade) Single-Lane	2006	Opened August 18, 2006. Functional Class: Arterial ICD estimated from Google Maps linework.
Lake Stevens, WA Snohomish Co. United States	Lundeen Park Way / Callow Rd. / Lakeview Dr. / Vernon Rd. (48.01797, -122.09050)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9553	Other (At-Grade) Single-Lane	2006	http://www1.co.snohomish.wa.us/Departments/Public_Works/Services/Roads/Projects/LundeenCallow.htm. Opened June 2006. ICD estimated from Google Maps linework.
Lakeland Ridge, AB Strathcona Canada	Crimson Dr. / Charlotte Way (53.54333, -113.27780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.2263	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Walled Lake, MI Oakland Co. United States	Loop Rd. / Commerce Crossing Dr. (42.53542, -83.44801)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.2829	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Next to Costco retail center and gas station. ICD estimated from Google Maps linework.
Champlin, MN Hennepin Co. United States	109th Ave. / Elm Creek Pkwy. (45.15210, -93.40291)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0064	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Champlin, MN Hennepin Co. United States	117th Ave. / Business Park Blvd. (45.16656, -93.38891)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5244	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Champlin, MN Hennepin Co. United States	Business Park Blvd. / Emery Pkwy. (45.16798, -93.38905)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3656	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.