Roundabouts Database Index

28787 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
Columbia, SC Richland Co. United States	Piney Grove Rd. / Piney Woods Rd. (34.06870, -81.13698)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.5737	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Sumter, SC Sumter Co. United States	Pinewood Rd. / Kolb Rd. (33.86858, -80.40494)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.6919	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Miller Farms, SC York Co. United States	Lincoln Rd. / Old Limestone Rd. (35.03978, -81.21612)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.2251	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Sterling, MA Worcester Co. United States	Leominster Rd. (Rte 12) / I-190 SB Ramps (42.46038, -71.74610)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	3 Approaches 0 Driveways 41.4121	Freeway Ramps (Grade-Separated) Single-Lane	2018	RRFB ICD estimated from Google Maps linework.
Sterling, MA Worcester Co. United States	Leominster Rd. (Rte 12) / Chocksett Rd. (42.45284, -71.74849)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.7735	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Wasaga Beach, ON Simcoe Canada	Ontario Hwy 26 / Mosley St. / Nottawasaga 33 / 34 Sideroad (44.46184, -80.11301)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 56.2592	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Wasaga Beach, ON Simcoe Canada	Mosley St. / Beachwood Rd. / Lyons Ct. (44.46671, -80.10777)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.2209	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Collingwood, ON Simcoe Canada	Hwy 26 E / Poplar Sideroad (44.48718, -80.17379)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.2705	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
London, ON Middlesex Canada	Trafalgar St. / Hale St. (42.98579, -81.19280)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.9471	Other (At-Grade) Single-Lane	2010	Built on a overpass above Canadian National Railway tracks. Replaced two T-intersections and an at-grade rail crossing. Named the Charley Fox Memorial Overpass and Roundabout ICD estimated from Google Maps linework.
Perth South, ON Perth Canada	Hwy 7 / Line 19 (43.24750, -81.08493)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.7576	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Perth South, ON Perth Canada	Road 119 / County Rd 9 (43.27026, -81.06800)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.4812	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Perth South, ON Perth Canada	Ontario Hwy 7 / Line 20 (43.30862, -81.03567)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5012	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Guelph, ON Wellington Canada	Ontario Hwy 7 / Jones Baseline (43.57942, -80.18623)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0122	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Kennesaw, GA Cobb Co. United States	Busbee Dr NW / Skip Spann Connector (34.03671, -84.57481)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.6503	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Roswell, GA Fulton Co. United States	Hardscrabble Rd. / Chaffin Rd. (34.06920, -84.37389)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Currently striped as single-lane movement from east to west but designed for expansion to two lanes.
Roswell, GA Fulton Co. United States	Houze Rd. / Hembree Rd. (34.06125, -84.34618)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.4926	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Scituate, MA Plymouth Co. United States	County Way / New Driftway / Main St. (Rte 123) / Chief Justice Cushing Hwy (Rte 3A) (42.17701, -70.75060)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 58.4157	Other (At-Grade) Single-Lane	2008	Pedestrian facilities, RTBPL ICD estimated from Google Maps linework.
Sandwich, MA Barnstable Co. United States	Harlow Rd. / Cotuit Rd. / S Sandwich Rd. (41.66884, -70.47018)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.9806	Other (At-Grade) Single-Lane	2013	no crosswalks ICD estimated from Google Maps linework.
East Harwich, MA Barnstable Co. United States	Queen Anne Rd. / Orleans-Harwich Rd. (Rte 39) (41.70049, -70.03164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.8855	Other (At-Grade) Single-Lane	2006	no crosswalks, no sidewalks ICD estimated from Google Maps linework.
Hyannis, MA Barnstable Co. United States	Bearses Way / Basset Lane (41.65436, -70.29148)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8786	Other (At-Grade) Single-Lane	2009	crosswalks on all approaches ICD estimated from Google Maps linework.
Research, VIC Australia	Main Rd. / Ingrams Rd. / Raglan Rd. (-37.70357, 145.18064)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.7335	Other (At-Grade) Single-Lane		Steep grade on Main Rd. through roundabout. ICD estimated from Google Maps linework.
Research, VIC Australia	Main Rd. / Research-Warrandyte Rd. (-37.70365, 145.17914)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.5132	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
East Hants, NS Hants Canada	Hwy 14 E / County 224 / Hwy 102 EB ramps (45.05516, -63.44175)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.4978	Freeway Ramps (Grade-Separated) Single-Lane	2008	Year Completed estimated (2005-2011). ICD estimated from Google Maps linework.
East Hants, NS Hants Canada	Hwy 14 / Hwy 102 SB (45.05648, -63.44497)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.0000	Freeway Ramps (Grade-Separated) Single-Lane	2008	Year Completed estimated (2005-2011).
McMinnville, OR Yamhill Co. United States	NW Hill Rd. / NW Baker Creek Rd. (45.22708, -123.22767)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.4877	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Ira Needles Blvd. / Thorndale Dr. (43.44178, -80.56523)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.6242	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Ira Needles Blvd. / The Boardwalk (43.43540, -80.55823)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.0976	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Erb St. W / Turtle Island Recycling / Costco parking lot (43.44386, -80.57867)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.6227	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Erb St. W / Platinum Dr. / (landfill) (43.44326, -80.58032)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 55.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2016
Dayton, OH Greene Co. United States	Swigart Road / James Madison Trail N (39.67417, -84.10436)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.2548	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Beavercreek, OH Greene Co. United States	Idea Cetner Blvd. / Product Way (39.71487, -84.10120)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.8054	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Beavercreek, OH Greene Co. United States	Park Overlook Dr. / Private Parking Lot (39.76489, -84.07360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.1318	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Beavercreek, OH Greene Co. United States	Park Overlook Dr / Hibiscus Way (39.76605, -84.06898)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.6230	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Lake Ave. / S Rd. (42.27715, -71.75925)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.8821	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Crosswalks on all approaches. Year Completed estimated (2010-2014). ICD estimated from Google Maps linework.
Barnstable, MA Barnstable Co. United States	Meetinghouse Way (Rte 149) / US 6 EB / Service Rd. (41.69544, -70.38519)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4815	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Hudson, MA Middlesex Co. United States	Washington St. (Rte 85) / Broad St. (42.37933, -71.56500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 55.5817	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	entry channelization islands ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	Rindge Rd. / John Fitch Hwy / Mechanic St. (Rte 31) / Ashby State Rd. (Rte 31) (42.60170, -71.80156)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8900	Other (At-Grade) Single-Lane	2010	RTYL ICD estimated from Google Maps linework.
Freetown, MA Bristol Co. United States	Country Rd. / Chace Rd. / Mason Rd (41.77072, -70.95551)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7393	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
North Lincoln Street, MA Worcester Co. United States	Lincoln St. (Rte 70) / Boylston St. (Rte 70) / Benson Ave. (42.29801, -71.76636)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.7526	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Riverhead, NY Suffolk Co. United States	Osborn Ave. / Middle Rd. / Horton Ave. (40.93469, -72.69623)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008).
Kitchener, ON Waterloo Canada	Bridge St / Lancaster St W / Carisbrook Dr (43.48226, -80.48275)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.8643	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Fountain St N / Kossuth Rd / Fairway Rd N (43.44340, -80.38764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.0288	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Old Zeller Dr / Fairway Rd N / Woolner Trail (43.44796, -80.40444)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.2212	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Homer Watson Blvd / Block Line Rd (43.41839, -80.47074)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.1828	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Fountain St S / Dickie Settlement Rd (43.38351, -80.39744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.4763	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Pinebush RD / Thompson Dr / Tyler St (43.41532, -80.28663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.7152	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Hespeler Rd (RR24) / Queen St (43.42000, -80.32873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.7115	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Westmount Rd N (RR 50) / Laurelwood Dr / (parking lot) (43.47651, -80.56252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.4003	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Homer Watson Blvd / Ottawa St S (43.42681, -80.48233)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.1148	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Ottawa St S / Alpine Rd / Conestoga Pkwy (43.42555, -80.48362)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 50.3094	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	University Ave E / Labrador Dr (43.51759, -80.51453)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.5720	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Labrador Dr / RIM Campus Ln (43.51601, -80.51332)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.2510	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Margaret Ave S / Union St E (43.46732, -80.49974)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.5369	Other (At-Grade) Single-Lane	2008	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).
Kitchener, ON Waterloo Canada	Manitou Dr / Bleams Rd (RR 56) (43.41267, -80.44937)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.7173	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Franklin Blvd (RR 36) / Pinebush Rd (43.41159, -80.30834)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.6590	Other (At-Grade) Multilane (3+ Lane)	2016	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Franklin Blvd (RR 36) / Sheldon Dr (43.40618, -80.30705)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7962	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Franklin Blvd (RR36) / Bishop St N (RR 41) (43.39830, -80.30433)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.4066	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Franklin Blvd (RR36) / Clyde Rd (43.37114, -80.29522)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.5409	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Franklin Blvd ((RR36) / Savage Dr (43.36531, -80.29182)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.6767	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Franklin Blvd ((RR 36) / Main St (43.35831, -80.28678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.6285	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Kitchener, ON Waterloo Canada	Block Line Rd / Fallowfield Dr (43.41875, -80.46799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0000	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Year Completed estimated (2009-2012).
Waterloo, ON Waterloo Canada	Laurelwood Dr / James Downey Way (43.47541, -80.56870)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.6010	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Waterloo, ON Waterloo Canada	Laurelwood Dr / Beaver Creek Rd (43.47220, -80.57985)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9349	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
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).
Kitchener, ON Waterloo Canada	Grand Flats Trail / Eden Oak Trail (43.45085, -80.40324)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.4794	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Cambridge, ON Waterloo Canada	Horton Walk / Baldwin Dr. (43.44729, -80.30699)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2012).
Johns Creek, GA Fulton Co. United States	Boles Rd / Bell Rd (34.03935, -84.15603)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.5874	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Newport, KY Campbell Co. United States	W 4th St. / 3rd St. / 5th St. / Chestnut Way (39.08959, -84.49992)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 66.7434	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Sundre, AB Alberta Canada	Hwy 27 (Main Ave. W) / 4th St. (51.79629, -114.64517)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	Temporary, modular installation.
Sundre, AB Alberta Canada	Hwy 27 (Main Ave. W) / 3rd St. (51.79663, -114.64360)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	Temporary, modular installation.
Sundre, AB Alberta Canada	Hwy 27 (Main Ave. W) / 2nd St. (51.79706, -114.64184)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017	Temporary, modular installation.
Jackson, GA Butts Co. United States	GA 36 / Keys Ferry Rd. / Barnetts Bridge Rd. (33.38354, -83.90334)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Initially installed in 2017 as a modular, rapid-install roundabout (ICD = 70 ft). Converted to single-lane roundabout with raised central island in 2022. https://www.jacksonprogress-argus.com/news/roundabout-replacement-at-hwy-36-and-barnetts-bridge-road-in-butts-county-begins-jan-31/article_58c8363c-806c-11ec-be5a-efce5e2209d4.html
Annandale, VA Fairfax Co. United States	Ravensworth Rd. / Jayhawk St. / Fountain Head Dr. (38.82630, -77.19993)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Modular, rapid-install roundabout.
Somerville, MA Middlesex Co. United States	Great River Rd. / Grand Union Blvd. (42.39621, -71.08140)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.7524	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
North Plymouth, MA Plymouth Co. United States	Water St. / South Park Ave. (41.96132, -70.66773)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5310	Other (At-Grade) Single-Lane	2014	rotary conversion ICD estimated from Google Maps linework.
South Fulton, GA Fulton Co. United States	Cascade-Palmetto Hwy (GA154) / Cedar Grove Rd / Ridge Rd (33.61907, -84.67141)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7770	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Windsor, CA Sonoma Co. United States	Old Redwood Hwy / Market St (38.54956, -122.81353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5598	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Windsor, CA Sonoma Co. United States	Old Redwood Hwy / Windsor Rd (38.55271, -122.81661)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7562	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Amesbury, MA Essex Co. United States	Friend St / School St (Rte 150) / Allens Ct (42.85615, -70.93410)	Roundabout Existing	Other None	4 Approaches 0 Driveways 26.2656	Other (At-Grade) Single-Lane	2001	North leg stop-controlled. Fire station on south leg. Resurfaced on 2017. ICD estimated from Google Maps linework.
Georgetown, DE Sussex Co. United States	Zoar Rd. / Bethesda Rd. / Speedway Rd. (38.65384, -75.36140)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9711	Other (At-Grade) Single-Lane	2017	Replaced two closely spaced TWSC intersections. ICD estimated from Google Maps linework.
Lynn, MA Essex Co. United States	Western Ave (Rte 107) / Federal St / South St / Market Square (42.46260, -70.96575)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 54.6268	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Medford, MA Middlesex Co. United States	Highland Ave. / Woodland Rd. / Elm St. (42.44247, -71.09392)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2015	Added roundabout style pavement markings on approaches and definition of circulating roadway in approx. 2015. Right-turn-only lane and two-lane exit on north leg.
Somerville, MA Middlesex Co. United States	Powder House Square [Powder House Blvd. / Broadway / College Ave. / Werner St.] (42.40114, -71.11677)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 70.1040	Other (At-Grade) Single-Lane	2021	Originally 2-lane traffic circle with signal control on all entries and central island originally accessible for pedestrians. Converted to a single-lane roundabout in 2021 using only signing, striping, and raised markers. As of March 2022, all signals (including pedestrian signals) have been covered.
Bel Air South, MD Harford Co. United States	S Tollgate Rd. / Plumtree Rd. (39.50070, -76.33349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.3332	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Bel Air South, MD Harford Co. United States	S Tollgate Rd. / W Ring Factory Rd. (39.50873, -76.34550)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.5652	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Bel Air South, MD Harford Co. United States	Abingdon Rd. / Dunbarton Dr. / Box Hill S Pkwy. (39.47491, -76.30092)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.8134	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2007). ICD estimated from Google Maps linework.
Bel Air North, MD Harford Co. United States	Moores Mill Rd. / Southampton Rd. (39.54847, -76.33536)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.6279	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Reno, NV Washoe Co. United States	SR 341 (Geiger Grade Rd.) / Veterans Pkwy. / (parking) (39.40271, -119.74165)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Double left (left, left-through-right) on south leg; double right (left-through-right, right) on west leg.
Pueblo, CO Pueblo Co. United States	N Purcell Rd. / E Platteville Blvd. (38.35647, -104.69429)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7158	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Franklin Lakes, NJ Bergen Co. United States	Franklin Lake Rd. / High Mountain Rd. (40.99348, -74.21235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2409	Other (At-Grade) Single-Lane	2014	Upgraded from a neighborhood traffic circle in 2014 ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Alexander St. / University Pl. (40.34305, -74.66085)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.0398	Other (At-Grade) Single-Lane	2014	Bike sharrows and parking cutouts on one leg. ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Elm Dr. / South Dr. (40.34078, -74.65595)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 29.1305	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Cambridge, MA Middlesex Co. United States	Concord Ave (US 3) / Alewife Brook Parkway (Rte 2) (42.38844, -71.14346)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 56.4557	Other (At-Grade) Multilane (2 Lane, unspecified)		Pavement markings installed in 2017. No crosswalks. ICD estimated from Google Maps linework.
Allwood, NJ Passaic Co. United States	Allwood Rd. / Bloomfield Ave. (40.84302, -74.15957)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 46.0792	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Converted from non-circular rotary. ICD estimated from Google Maps linework.
Cambridge, MA Middlesex Co. United States	Concord Ave / New St / Fresh Pond Pkwy (US 3, Rte 2) (42.38670, -71.14100)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 38.8144	Other (At-Grade) Multilane (2 Lane, unspecified)		Pavement markings for bike conflict areas added in approx. 2018 (on New St exit). ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	Dominic J Bianculli Blvd / University Dr (42.31403, -71.04246)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 37.0930	Other (At-Grade) Single-Lane	2018	This rotary seems to have been demolished in 2016 and converted to a roundabout in 2018. ICD estimated from Google Maps linework.
Watertown, SD Codington Co. United States	US 81 (5th St.) / 20th Ave. SE (44.87638, -97.10890)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018	First roundabout by South Dakota Department of Transportation.
Sioux Falls, SD Lincoln Co. United States	Louise Ave. / 271st St. (43.46078, -96.76732)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.2118	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Springfield, OR Lane Co. United States	Franklin Blvd. / (parking lots) (44.04434, -123.03145)	Roundabout Existing	All-Way Yield None	2 Approaches 2 Driveways 47.2167	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.