Roundabouts Database Index

29411 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
Carrboro, NC Orange Co. United States	S Greensboro St. / Old Pittsboro Rd. / Rand Rd. (35.90351, -79.07245)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 26.1202	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Roundabout added to support new commercial development on eastern side of S. Greensboro. Project is in construction, assumption is this will be a driveway onto S.Greensboro. ICD estimated from Google Maps linework.
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
Williamstown, MA Berkshire Co. United States	Main St (Rte 2) / North St (US 7) / Cold Spring Rd (US7 / Rte 2) / South St (42.71367, -73.21032)	Other Existing	All-Way Yield None	5 Approaches 3 Driveways 21.9384	Other (At-Grade) Single-Lane		Historic elliptical town common 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
Sunriver, OR Deschutes Co. United States	S Century Dr. / Abbot Dr. (43.86935, -121.43365)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.9390	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Fairview Township, PA Erie Co. United States	Millfair Rd / W Lake Rd (Rte 5) (42.07591, -80.20667)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.0060	Other (At-Grade) Single-Lane	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.
Fort Worth, TX Tarrant Co. United States	Hillwood Pkwy. / (future street) (32.92334, -97.31200)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2018	Third leg stubbed for future.
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.
Healdsburg, CA Sonoma Co. United States	Healdsburg Ave. / Mill St. / Vine St. (38.60833, -122.87009)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 36.3981	Other (At-Grade) Single-Lane	2018	At-grade railroad crossing through central island. 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.
Manchester, VT Bennington Co. United States	Main St. / Bonnet St. (43.17692, -73.05688)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 17.4191	Other (At-Grade) Single-lane w/ Traversable Central Island	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.
Worcester, MA Worcester Co. United States	Highland St / June St / Pleasant St / Newton Ave (42.26980, -71.82529)	Traffic Calming Circle Existing	Other Unknown	5 Approaches 0 Driveways 31.8163	Other (At-Grade) Single-Lane		Control type: 2 way stop, 3 way yield. remarkable: stop bar June St on circular roadway, after CW. Geometry is wide enough for two lanes although 4 out of 5 exits are single lane. Crosswalks present. New pavement markings crosswalk in approx. 2015. Residential contexts. Traffic Circle next to large neighborhood park. Two bus lines with bus 5 bus stops within 100 ft of the traffic circle. ICD estimated from Google Maps linework.
Worcester, MA Worcester Co. United States	Lovell St / Marywood St / Englewood Ave / Ferdinand St (42.25439, -71.83255)	Traffic Calming Circle Existing	Other None	5 Approaches 0 Driveways 24.7521	Other (At-Grade) Single-Lane		Control Type: 2 yield Lovell St; Other 3 approaches stop controlled. Some pavement markings to define circular roadway (arrows, dotted lines) and create 'splitter islands' on the approaches from Englewood Ave, Ferdinand St; Lovell NB. Crosswalks present. Residential area; local shop and laundromat at the roundabout. 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.
Glocester, RI Providence Co. United States	Putnam Pike (US 44) / RI-102 (41.91536, -71.67162)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.7734	Other (At-Grade) Single-Lane	2017	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.
North Providence, RI Providence Co. United States	Fruit Hill Ave. / Olney Ave. (41.84908, -71.46447)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.3588	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Toronto, ON Toronto Canada	Port Union Rd. / Bridgend St. (43.77682, -79.13549)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.0447	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Markham, ON York Canada	Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2001).
Wall Township, NJ Monmouth Co. United States	RT-34 S / Allaire Rd. (40.15011, -74.09599)	Rotary Existing	Other Unknown	4 Approaches 0 Driveways 106.8086	Other (At-Grade) Multilane (2 Lane, unspecified)		Built in the 1930s. Yield signs on Allaire Rd approaches; some kind of traffic lights on Rt 34 approaches. ICD estimated from Google Maps linework.
Hasbrouck Heights, NJ Bergen Co. United States	Passaic Ave. / Boulevard (40.85798, -74.08175)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.1986	Other (At-Grade) Single-Lane		Very narrow splitter islands. ICD estimated from Google Maps linework.
Bourne, MA Barnstable Co. United States	US 6 (Rte 3) / Scenic Hwy (41.78067, -70.54342)	Rotary Removed	All-Way Yield Unknown	4 Approaches 4 Driveways 26.7184	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Rotary replaced with an interchange. ICD estimated from Google Maps linework.
South Yarmouth, MA Barnstable Co. United States	River St / Pleasant St (41.65652, -70.19715)	Traffic Calming Circle Existing	Uncontrolled None	3 Approaches 2 Driveways 36.5857	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Markham, ON York Canada	Wilfred Murison Ave / William Berczy Blvd (43.88681, -79.30799)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4560	Other (At-Grade) Single-Lane	2015	Previously a traffic circle ICD estimated from Google Maps linework.
Markham, ON York Canada	Wilfred Murison Ave. / Harbord St. (43.88567, -79.31277)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.8235	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Markham, ON York Canada	William Berczy Blvd. / Beckett Ave. (43.88444, -79.30585)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.5968	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Markham, ON York Canada	Harbord St. / Beckett Ave. (43.88279, -79.31197)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.6855	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Mississauga, ON Peel Canada	Duke of York Blvd. / Square One Dr. (43.59181, -79.64742)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0056	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Mississauga, ON Peel Canada	Hazelton Pl. / Plantation Pl. (43.55342, -79.71753)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.8491	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Point of Rocks, MD Frederick Co. United States	US 15 / Point of Rocks Rd. (39.28643, -77.53096)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.1443	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Oak Bluffs, MA Dukes Co. United States	Barnes Rd / Edgartown Vineyard Haven Rd (41.42083, -70.60172)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 28.6589	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	N Gray Rd. / E Smokey Row Rd. (E 136th St.) (39.98556, -86.08969)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.6041	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Hazel Dell Pkwy. / E 116th St. (39.95660, -86.07408)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.6055	Other (At-Grade) Multilane (3+ Lane)	2017	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W 106th St. / Towne Rd. (39.94132, -86.20314)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2017	RRFB added: https://content.govdelivery.com/accounts/INCARMEL/bulletins/37421df
Carmel, IN Hamilton Co. United States	W Carmel Dr. / S Guilford Rd. (39.96526, -86.14116)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.4457	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W Carmel Dr. / W City Center Dr. (39.96562, -86.14400)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.0224	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W City Center Dr. / S Guilford Rd. (39.96801, -86.14104)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7669	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W City Center Dr. / S Range Line Rd. (39.97069, -86.12696)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Raised crosswalks.
Carmel, IN Hamilton Co. United States	E 126th St. / Kinzer Ave. (39.97112, -86.11843)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.9506	Other (At-Grade) Single-Lane	2017	One approach stubbed off. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W City Center Dr. / N Pennsylvania St. / (hotel parking) (39.96483, -86.15517)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.6998	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	Crosswalk on hotel parking leg is at entrance line. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	E Smokey Row Rd. / Carey Rd. (39.98591, -86.10820)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.6227	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	S Range Line Rd. / Executive Rd. (39.96334, -86.12687)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.8698	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Carey Rd. / Hawthorne Dr. W (39.99353, -86.10848)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7698	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	S Range Line Rd. / W Elm St.-E Elm St. (39.97526, -86.12709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2017	City of Carmel changed name of 4th St. SE to Elm St. in 2022.
Carmel, IN Hamilton Co. United States	W 116th St. / Towne Rd. (39.95572, -86.20253)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2017
Hudson, MA Middlesex Co. United States	Washington St (Rte 85) / Central S / Main St (Rte 62) (42.39127, -71.56985)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 21.1699	Other (At-Grade) Single-Lane		On street parking in circulatory roadway ICD estimated from Google Maps linework.
Lakewood, CO Jefferson Co. United States	S Indiana St. / W Wesley Ave. (39.67204, -105.16890)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0944	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Logan, UT Cache Co. United States	E 500 N / N 600 E (41.74069, -111.81931)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 36.5378	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Fishers, IN Hamilton Co. United States	E 96th St. / Lantern Rd. (39.92738, -86.01380)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (3+ Lane)	2017	On boundary between Fishers and Indianapolis and between Hamilton County and Marion County.
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.
Cedar Park, TX Williamson Co. United States	Crockett Rd. / Truman Ln. (30.51700, -97.80960)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6710	Other (At-Grade) Single-Lane	2002	Minimal splitter islands.
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.
Amerige Heights, CA Orange Co. United States	1919 W Malvern Ave (33.87845, -117.96296)	Other Existing	Other Unknown	3 Approaches 0 Driveways 26.7721	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Starbuck St. / Hetebrink St. (33.88433, -117.96291)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7532	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Nicolas St. / Hetebrink St. / Benchley St. (33.88314, -117.95815)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7961	Other (At-Grade) Single-Lane	2003	Painted splitter islands. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Fullerton, CA Orange Co. United States	Benchley Dr. / Sheddon St. (33.88638, -117.95555)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 20.8208	Other (At-Grade) Single-Lane	2003	Painted splitter islands. ICD estimated from Google Maps linework.
Foxborough, MA Norfolk Co. United States	Chestnut St / North St (42.07460, -71.25933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.4821	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Dedham, MA Norfolk Co. United States	Needham St / Vine Rock St (42.26954, -71.18214)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 120.1954	Other (At-Grade) Single-Lane	2004	No crosswalks ICD estimated from Google Maps linework.
Belmont, MA Middlesex Co. United States	Marsh St / Prospect St (42.40767, -71.18126)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 45.7200	Other (At-Grade) Single-Lane		Year Completed unknown. No changes from original configuration.
Northampton, MA Hampshire Co. United States	Pleasant St (US 5) / Conz St (42.31150, -72.62438)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.0288	Other (At-Grade) Single-Lane	2015	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.
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.
Dedham, MA Norfolk Co. United States	Washington St / Boston Providence Hwy (42.25003, -71.17133)	Rotary Existing	Signal None	4 Approaches 5 Driveways 67.1888	Other (At-Grade) Multilane (2 Lane, unspecified)		Boston Providence Hwy extends straight through the rotary ICD estimated from Google Maps linework.
Quincy, MA Norfolk Co. United States	Palmer St / Yardarm Ln / Bicknell St (42.25300, -70.96574)	Rotary Existing	Uncontrolled None	4 Approaches 2 Driveways 70.7217	Other (At-Grade) Single-Lane		Neighborhood area 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.
Forest Park, MO St. Louis City Co. United States	Hampton Ave. / Concourse Dr. / Wells Dr. (38.63316, -90.28546)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7207	Other (At-Grade) Single-Lane	2009	Right-turn bypass lane merge in crosswalk area. ICD estimated from Google Maps linework.
Forest Park, MO St. Louis City Co. United States	Concourse Dr. / Washington Dr. (38.63495, -90.28480)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 23.3234	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Forest Park, MO St. Louis City Co. United States	Government Dr. / Wells Dr. (38.63437, -90.30113)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.7814	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Warrenton, VA Fauquier Co. United States	E Shirley Ave. / Falmouth St. (38.69843, -77.78795)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 13.0496	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Constructed Fall 2018, mini-roundabout with one bypass lane ICD estimated from Google Maps linework.
Aloha, OR Washington Co. United States	SW 175th St. / SW Kemmer Rd. (45.45121, -122.85724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.3785	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Bossier City, LA Bossier Par. United States	W 1st St. / Spears St. (32.52108, -93.73971)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.2256	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Bossier City, LA Bossier Par. United States	W 1st St. / Margaritaville Way / Colquitt St. (32.52193, -93.73982)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.2112	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Weymouth, MA Norfolk Co. United States	North St / East St / Norton St (42.23165, -70.94496)	Traffic Calming Circle Existing	Other None	4 Approaches 1 Driveways 25.6453	Other (At-Grade) Single-Lane		Control Type is Mixed: Yield on circular road, stop on East St approach, yield on North St SB approach ICD estimated from Google Maps linework.
Somerset, MA Bristol Co. United States	Brayton Ave / Riverside Ave / Wilbur Ave (41.72272, -71.16043)	Rotary Existing	Other None	4 Approaches 1 Driveways 33.8738	Other (At-Grade) Single-Lane		Brayton approach is stop-controlled ICD estimated from Google Maps linework.