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
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.
Lexington, SC Lexington Co. United States	Nazareth Rd. / Longs Pond Rd. / Knotts Rd. (33.90082, -81.27835)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.7215	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Lexington, SC Lexington Co. United States	Laurel Rd. / Two Notch Rd. (33.96930, -81.17959)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.6770	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Lexington, SC Lexington Co. United States	Hwy 6 / Fish Hatchery Rd. (33.80767, -81.18882)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.6647	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Bennettsville, SC Marlboro Co. United States	Hamlet Hwy / Beauty Spot Rd E (34.65313, -79.69297)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.3337	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Seneca, SC Oconee Co. United States	Wells Hwy / Mormon Church Rd. / N Strawberry Farms Rd. (34.65761, -82.95173)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.6307	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Holly Hill, SC Orangeburg Co. United States	Branchdale Hwy / Camden Rd. (33.38775, -80.42287)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.9111	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
West Chester Township, OH Butler Co. United States	Smith Rd. / Beckett Rd. / Beckett Meadows Rd. (39.35097, -84.45265)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.2538	Other (At-Grade) Single-Lane	2018	Opened May 2018. Entering ADT = 18,670 vpd as of Sept 2018. ICD estimated from Google Maps linework.
Hamilton, OH Butler Co. United States	Hamilton Mason Rd. / LeSourdsville West Chester Rd. (39.37223, -84.42497)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.6237	Other (At-Grade) Single-Lane	2018	Opened August 2018. ICD estimated from Google Maps linework.
Tuttle West, OH Franklin Co. United States	Bow Falls Blvd. / Cross River Falls Blvd. / Rainbow Falls St. (40.05861, -83.17153)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 0 Driveways 115.1795	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Lebanon, OH Warren Co. United States	Old 122 Rd. / Township Line Rd. (39.49304, -84.14194)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.5533	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Deerfield Township, OH Warren Co. United States	Innovation Way / Duke Blvd. (39.31380, -84.29873)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.7461	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Gardnerville, NV Douglas Co. United States	NV-88 / Centerville Ln. (38.91043, -119.77916)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.3749	Other (At-Grade) Single-Lane	2018	Compact roundabout. ICD estimated from Google Maps linework.
Anderson, SC Anderson Co. United States	Concord Rd. / Harris Bridge Rd. / Cathey Rd. (34.59397, -82.63681)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.4108	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Beaufort, SC Beaufort Co. United States	Joe Frazier Rd. / Pine Grove Rd. / Morrall Dr. (32.44977, -80.78268)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.2433	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Manning, SC Clarendon Co. United States	Raccoon Rd. / W Huggins St. / Silver Rd. (33.68728, -80.24358)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7883	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Darlington, SC Darlington Co. United States	Lamar Hwy (US 401) / Hoffmeyer Rd. (34.25051, -79.95188)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.4246	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Murrells Inlet, SC Georgetown Co. United States	Old Kings Hwy / Wachesaw Rd. (33.55277, -79.05395)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.8691	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Kent, OH Portage Co. United States	E Summit St. / Johnson Dr. / Ted Boyd Dr. (41.14303, -81.33990)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.2783	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Kent, OH Portage Co. United States	E Summit St. / Risman Dr. / Campus Center Dr. (41.14614, -81.34537)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.1698	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Campus Center Drive relocated to this roundabout. ICD estimated from Google Maps linework.
Kent, OH Portage Co. United States	Summit Dr. / Powder Mill Rd. (41.13724, -81.30541)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.5878	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Cudillero, Principality of Asturias Asturias Spain	CU-8 / A-8 Ramps (43.56410, -6.24234)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.5978	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Saskatoon, SK Saskatchewan Canada	Stonebridge Blvd. / Galloway Rd. / Cornish Rd. / Gordon Rd. (52.08399, -106.63531)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.5675	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Saskatoon, SK Saskatchewan Canada	Kensington Blvd. / Centennial Dr. / Hassard Close (52.13231, -106.75890)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.2545	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Saskatoon, SK Saskatchewan Canada	Kensington Rd. / 33rd St. W (52.14754, -106.75065)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.1781	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Roanoke, VA Roanoke City Co. United States	Riverland Rd. SE / Mount Pleasant Blvd. SE / Bennington St. (37.25056, -79.91746)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.2738	Other (At-Grade) Single-Lane	2013	Free-flow right-turn bypass lanes on south and east legs. ICD estimated from Google Maps linework.
Roanoke, VA Roanoke City Co. United States	Colonial Ave SW / McNeil Dr SW (37.24677, -79.97179)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.6204	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
McBryde, VA Montgomery Co. United States	Broce Dr. / Lora Ln. (37.23783, -80.43405)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 20.9185	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Northside Park, VA Montgomery Co. United States	Givens Ln. / Northside Dr. (37.25358, -80.41898)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.2725	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Blacksburg, VA Montgomery Co. United States	Givens Ln. / Progress St. NW (37.25246, -80.42250)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.4210	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Blacksburg, VA Montgomery Co. United States	Edge Way / Orchard St. (37.23517, -80.42447)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.4280	Other (At-Grade) Single-Lane	2014	No splitter islands on three legs. ICD estimated from Google Maps linework.
Blacksburg, VA Montgomery Co. United States	Southgate Dr. / Duck Pond Dr. / Dairy Dr. (37.21647, -80.42360)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.2889	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Dover, NH Strafford Co. United States	Silver St. / Knox Marsh Rd. / Spaulding Turnpike WB Ramps (43.18845, -70.88652)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3149	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Rte 9 / Base Hill Rd. (42.92477, -72.31239)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.7273	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	W Portsmouth St. / Mountain Rd. / Shawmut St. / East Side Dr. (43.23702, -71.53564)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.5834	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
North Kingstown, RI Washington Co. United States	Davisville Rd. / Gate Rd. / Romano Vineyard Way / RI-403 Ramps (41.60535, -71.44658)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.6895	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
West Warwick, RI Kent Co. United States	Providence St. / E Main St. / Central St. (41.71372, -71.51705)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.9870	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Lincoln, RI Providence Co. United States	School St. / Main St. / Briarwood Rd. (41.95141, -71.45445)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.4118	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	Previous control: beacon (4-way flasher in center of intersection) which was damaged in 2015 and restored in center island. ICD estimated from Google Maps linework.
Coventry, RI Kent Co. United States	Victoria Hwy (Rte 102) / Flat River Rd. (Rte 117) (41.69308, -71.69349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8894	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
East Greenwich, RI Kent Co. United States	Division Rd. / New England Tech Blvd. / Old Quaker Ln. (41.66274, -71.50137)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.1984	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	River St (Rte 2A, 31) / Kimball St (Rte 12) / Daniels St (42.58252, -71.81891)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 2 Driveways 32.5374	Other (At-Grade) Single-Lane		Control Type; All way Yield, except for Daniel St. A crosswalk over River St is missing. River St WB has a large median, no crosswalk utilizing it. Industrial mixed-use context. ICD estimated from Google Maps linework.
Morristown, VT Lamoille Co. United States	VT 100 / VT 15 / (shopping center parking) (44.57684, -72.59465)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014
Barre, VT Washington Co. United States	E Barre Rd. (US 302) / Mill St. (VT 110) / Cobble Hill Rd. (44.16088, -72.44848)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.2718	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
San Rafael, CA Marin Co. United States	Civic Center Dr. / Peter Behr Dr. (38.00051, -122.53422)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8221	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Fairfield, CA Solano Co. United States	Rockville Rd. / Abernathy Rd. (38.24598, -122.09074)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.4495	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Dexter, MI Washtenaw Co. United States	Baker Rd. / Shield Rd. / Dongara Dr. (42.32529, -83.88714)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018
Scio Township, MI Washtenaw Co. United States	Baker Rd. / Dan Hoey Rd. (42.32693, -83.88729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018
Manchester, VT Bennington Co. United States	Main St. / Depot St. (43.17641, -73.05745)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.6128	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Tiverton, RI Newport Co. United States	Stafford Rd. / William S. Canning Blvd. / Hurst Ln. / (casino access) (41.66205, -71.15353)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.2593	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Nantucket, MA Nantucket Co. United States	Main St / Gully Rd / Elbow Ln (41.26197, -69.96497)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 1 Driveways 16.1600	Other (At-Grade) Single-Lane		Angles parking on circular roadway Bus stop at circular roadway no street view available ICD estimated from Google Maps linework.
Framingham, MA Middlesex Co. United States	Union Ave / Main St / Maple St (42.29709, -71.43089)	Other Existing	One-Way/Two-Way Stop None	4 Approaches 2 Driveways 51.2374	Other (At-Grade) Single-Lane		Wide circular roadway (2 lane) All approaches 1 lane Geometry unconventional; decreases overview (oval circular road, with minor approaches under an angle) Residential context repaved surface in 2016; new pavement markings consisting of three high vis crosswalks 1 South and 2 North on the major road. No further improvements to pavement markings now or in the last 10 years. Speed limit 25 mph ICD estimated from Google Maps linework.
Berlin, MA Worcester Co. United States	River Rd W / South St / Whitney Rd (42.35764, -71.62354)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 60.0136	Other (At-Grade) Single-Lane		New pavement markings (shark teeth and definition of circular roadway) in 2016 ICD estimated from Google Maps linework.
Berlin, MA Worcester Co. United States	River Rd W / Basset Rd (42.35534, -71.62343)	Roundabout Existing	All-Way Yield Other	4 Approaches 0 Driveways 32.6557	Other (At-Grade) Single-Lane	2016	X-W11-2 installed on all approaches splitter islands with crosswalks (high vis ladders) new sidewalks around the roundabout. context in development, more mixed-use seems to be planned for the future ICD estimated from Google Maps linework.
Union Hill, MA Worcester Co. United States	Grafton St (Rte 122) / Hamilton St / Orient St (42.25577, -71.78528)	Traffic Calming Circle Existing	Other None	4 Approaches 2 Driveways 24.7515	Other (At-Grade) Single-Lane		Control Type: Grafton EB free flow, Grafton WB and Hamilton yield controlled, Orient St is stop controlled. Grafton St is Major road in terms of control type. On-street parking on the circular roadway. Wide lanes, limited pavement markings. Crosswalks present. Downtown and residential context. ICD estimated from Google Maps linework.
Clearwater, FL Pinellas Co. United States	Fairwood Ave. / Park Trail Ln. (27.97534, -82.72043)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5884	Other (At-Grade) Single-Lane	2015	At-grade railroad crossing on south leg. ICD estimated from Google Maps linework.
Orion Township, MI Oakland Co. United States	S Baldwin Rd. / Gregory Rd. (42.72153, -83.30757)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 41.2390	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Jefferson City, MO Cole Co. United States	Central Stadium Blvd. / Jefferson St. (38.56496, -92.18680)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7585	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Saugus, MA Essex Co. United States	Main St / Central St / Hamilton St (42.46473, -71.01002)	Other Existing	Other None	4 Approaches 1 Driveways 37.8851	Other (At-Grade) Single-Lane		Town square traffic circle. Two legs are stop-controlled, on-street parking. ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	E 161st St. / Carey Rd. (40.02225, -86.10884)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.1575	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Noblesville, IN Hamilton Co. United States	Little Chicago Rd. / E 191st St. / Maple Grove Way (40.06515, -86.07145)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7018	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Striped extension of central island truck apron. ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Tremaine Rd. / Steeles Ave. W (43.50658, -79.91068)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.5095	Other (At-Grade) Single-Lane	2015	Fourth leg closed, built for future expansion. ICD estimated from Google Maps linework.
Hilliard, OH Franklin Co. United States	Scioto Darby Rd. / Leppert Rd. / Parkside Ct. (40.03296, -83.17013)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.4931	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Hilliard, OH Franklin Co. United States	Scioto Darby Rd. / Veterans Memorial Dr. (40.03197, -83.16796)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.2109	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Pine Lake Rd. / S 70th St. (40.74080, -96.62532)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.9110	Other (At-Grade) Unknown	2018	ICD estimated from Google Maps linework.
Grand Island, NE Hall Co. United States	North Rd. / 13th St W (40.93154, -98.39762)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Hastings, NE Adams Co. United States	S Adams Central Ave. / (High school parking lot) / (Elementary school parking lot) (40.57069, -98.45891)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Oxford, MS Lafayette Co. United States	Chucky Mullins Dr. / Hill Dr. / Hathorn Rd. (34.35904, -89.54402)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.4657	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	Hathorn Rd. / Insight Park Ave. / (parking lot) (34.35880, -89.54768)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.5080	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Oxford, MS Lafayette Co. United States	Anderson Rd. / W Oxford Loop (34.36827, -89.57188)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5324	Other (At-Grade) Unknown	2019	ICD estimated from Google Maps linework.
D'Iberville, MS Harrison Co. United States	MS Hwy 15 / Lamey Bridge Rd. (30.49431, -88.90603)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Add-lane right-turn bypass lane on west leg; yield-controlled right-turn bypass lanes on north and south legs. Fatal crash Monday February 7, 2022: https://www.sunherald.com/news/local/counties/harrison-county/article258139973.html
Milton, ON Halton Canada	Tremaine Rd. / Louis Saint Laurent Ave. (43.47633, -79.87020)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.0672	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Tremaine Rd. / Britannica Rd. W (43.46689, -79.85672)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.8754	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Replaced offset T-intersections. ICD estimated from Google Maps linework.
Georgetown, ON Halton Canada	10 Sideroad / Tenth Line N (43.63791, -79.86267)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.6246	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Milton, ON Halton Canada	Louis Saint Laurent Ave. / Yates Dr. (43.50033, -79.84411)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.7175	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Fourth leg stubbed off. ICD estimated from Google Maps linework.
Springfield, IL Sangamon Co. United States	W Iles Ave. / Archer Elevator Rd. (39.77083, -89.73465)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.8829	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Freeport, IL Stephenson Co. United States	W Pearl City Rd. / Kiwanis Dr. / S Forest Rd. (42.28237, -89.66744)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.1116	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Colts Neck Township, NJ Monmouth Co. United States	Crine Rd. / Heulitt Rd. / Dutch Lane Rd. (40.31080, -74.20457)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.3580	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2013-2016). ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	N Gray Rd. / E 126th St. (39.97120, -86.08950)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.6118	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Bowmanville, ON Durham Canada	Remmington St. / Green Rd. (43.89809, -78.70723)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.0969	Other (At-Grade) Single-Lane	2009	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.
Millbury, MA Worcester Co. United States	Elm St / Elm Ct / Rte 146 Ramps (42.18783, -71.76618)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.2384	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2018	ICD estimated from Google Maps linework.
Rockland, MA Plymouth Co. United States	Bill Delahunt Pkwy / Union St (42.15400, -70.92708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.5828	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	ICD estimated from Google Maps linework.
Weymouth, MA Norfolk Co. United States	Patriot Pkwy / Marker St (42.15310, -70.94390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.6148	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Gardner, MA Worcester Co. United States	Rte 2 Ramps / Pearson Blvd (42.56420, -71.97920)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 137.2249	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	Pleasant St / Governors Dr / Eastman Ln (42.39522, -72.52693)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7529	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Amherst, MA Hampshire Co. United States	E Pleasant St / Triangle St (42.38156, -72.51932)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.3487	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Northampton, MA Hampshire Co. United States	Main St (Rte 9) / Bridge Rd (42.34356, -72.68114)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6618	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Cedar Park, TX Williamson Co. United States	Discovery Blvd. / Central Park Dr. / (parking access road) (30.52554, -97.82136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2004	Right-turn bypass lane on south leg. Year Completed estimated (2002-2005).
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.
Fishers, IN Hamilton Co. United States	E 131st St. / Lantern Rd. (39.97875, -86.01409)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8622	Other (At-Grade) Single-Lane	2012	Year Completed estimate (2009-2012). ICD estimated from Google Maps linework.
Cedar Park, TX Williamson Co. United States	Lynnwood Trl. / E Park St. (30.51423, -97.81197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2002	Minimal splitter islands on two legs.