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
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.
Lynnfield, MA Essex Co. United States	Salem St (Rt 129) / Lynnfield St. (42.51280, -70.99137)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 159.3472	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
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.
Toronto, ON Toronto Canada	Connaught Cir. / Claxton Blvd. (43.68917, -79.42497)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 39.7263	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lexington, MA Middlesex Co. United States	Hancock St. / Hamilton Rd. / Burlington St. / (unknown) (42.46302, -71.23268)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 23.7889	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Gilroy, CA Santa Clara Co. United States	Santa Teresa Blvd. / 3rd St. (37.00747, -121.60034)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.0108	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Gilroy, CA Santa Clara Co. United States	3rd St. / Cobblestone Ct. (37.00798, -121.60339)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.8896	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Gilroy, CA Santa Clara Co. United States	Santa Teresa Blvd. / Miller Ave. (36.98747, -121.58780)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.9296	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Marquette, MI Marquette Co. United States	Wright St. / Sugarloaf Ave. (46.56398, -87.40559)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0250	Other (At-Grade) Unknown	2017	ICD estimated from Google Maps linework.
Marquette, MI Marquette Co. United States	Presque Isle Ave. / Fair Ave. (46.55660, -87.39640)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.2081	Other (At-Grade) Unknown	2017	ICD estimated from Google Maps linework.
Marquette, MI Marquette Co. United States	Wright St. / Lincoln Ave. (46.56397, -87.41181)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.6673	Other (At-Grade) Unknown	2017	ICD estimated from Google Maps linework.
West Baraboo, WI Sauk Co. United States	Linn St. / US 12 EB Ramps (43.47476, -89.77598)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 51.8160	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	2 new roundabouts at ramp terminals on new bypass project.
Eastham, MA Barnstable Co. United States	Eastham Rotary (US 6 / Rte 6A / Smith Ln.) (41.79887, -69.98398)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 151.3610	Other (At-Grade) Single-Lane		Commonly known as "the Eastham rotary" ICD estimated from Google Maps linework.
Orleans, MA Barnstable Co. United States	Rte 6A (Cranberry Hwy) / Canal Rd / S Orleans Rd. (41.79212, -69.98671)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3849	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Boulevard de la Mer / Avenue des Mimosas (43.37129, -1.78611)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 29.5181	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Rue des Plaqueminiers / Avenue des Mimosas / Rue des Muriers (43.37152, -1.77934)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways 13.0227	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Boulevard de la Baie de Chingudy / Rue des Grenadiers (43.37038, -1.77734)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 14.7593	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	77 Boulevard du Général Leclerc (43.37162, -1.77313)	Other Existing	Unknown Unknown	8 Approaches 0 Driveways 59.0359	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Boulevard de la Mer / Boulevard du General LeClerc (43.37314, -1.77400)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.4624	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	1 Rue de Saint-Jean de Luz (43.37349, -1.76922)	Other Existing	Unknown Unknown	7 Approaches 0 Driveways 63.3748	Unknown Unknown		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Route de la Corniche / Rue de la Glacière / Rue d'Armatonde (43.37494, -1.75180)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.5932	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Domaine Ama Mur (43.37135, -1.75074)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 19.9681	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Rue Ansoenia / Rue des Lilas (43.36949, -1.76506)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 20.8369	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Boulevard de l'Empereur / Rue Walt Disney / Rue Jean-Baptiste Errecart (43.36587, -1.75724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.1795	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
(unincorporated), OH Delaware Co. United States	Smothers Rd. / Red Bank Rd. / Schott Rd. (40.13000, -82.85823)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7003	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Hondarribia, Basque Country Guipúzcoa Spain	Foru Kalea / Higer Bidea (43.37501, -1.79707)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.0657	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Hondarribia, Basque Country Guipúzcoa Spain	Calle Puerto Deportivo (43.37841, -1.79619)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 20.8339	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Boulevard du Général Leclerc / Boulevard du Général de Gaulle / Rue de Belcenia (43.36174, -1.77209)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.3129	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Rue de Belcenia / Rue des Fermes / Rue Pellot (43.35979, -1.77165)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 79.8877	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Boulevard du Général de Gaulle / Rue Pierre Loti (43.36008, -1.77535)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 22.5769	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	32 Rue de Subernoa / Rue d'Aizpurdi / Chem,in de la Barriere (43.35853, -1.76882)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 10.4204	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Rue de Barrandeguy / Rue de Chourienia / Rue des Allies (43.35627, -1.76900)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.7886	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Hendaye, Nouvelle-Aquitaine Pyrénées-Atlantiques France	Rue d'Irandatz / Rue des Evades / Rue du Commerce (43.35375, -1.77544)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.6057	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Eastport, MO Boone Co. United States	Bull Run Dr. / Port Way SE (38.95769, -92.25171)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.5766	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Colonial Gardens, MO Boone Co. United States	Rollins Rd. / S Fairview Rd. (38.94681, -92.38090)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 12.0752	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	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.
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.
Amesbury, MA Essex Co. United States	Market St (Rte 150) / Elm St / Main St (Rte 150) / High St (42.85794, -70.93010)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 13.1324	Other (At-Grade) Single-Lane		On-Street parking in the traffic circle ICD estimated from Google Maps linework.
Gloucester, MA Essex Co. United States	Washington St / Middle St (42.61204, -70.66700)	Traffic Calming Circle Existing	Uncontrolled None	4 Approaches 0 Driveways 25.4902	Other (At-Grade) Single-Lane		Pavement markings done around 2013, on-street parking at traffic circle 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.
Georgetown, DE Sussex Co. United States	The Circle (Georgetown Circle) (38.69005, -75.38587)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 66.1876	Other (At-Grade) Single-Lane	1791	New town built as county seat centered on circle instead of more traditional square. Pedestrian access to center island. Parking at buildings on the circle. No raised splitter islands. ICD estimated from Google Maps linework.
Wakefield, MA Middlesex Co. United States	Rte 129 (Salem St.-Lowell St.) / Haverhill St. / I-95 Ramps (42.52541, -71.08090)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Pavement markings improvement in 2016.
Swampscott, MA Essex Co. United States	Monument Ave / Elmwood Rd (42.46952, -70.91737)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 35.2392	Other (At-Grade) Single-Lane		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.
East Boston, MA Suffolk Co. United States	Saratoga St / Boardman St / Ford St (42.38701, -71.00805)	Traffic Calming Circle Existing	Other None	4 Approaches 0 Driveways 25.5821	Other (At-Grade) Single-Lane		control type: Ford St and Boardman St all-way stop On-street parking on both sides. ICD estimated from Google Maps linework.
Everett, MA Middlesex Co. United States	Revere Beach Pkwy. (Rte 16) / Mystic View Rd. / Santilli Hwy (42.40238, -71.06892)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways 155.4480	Other (At-Grade) Multilane (3+ Lane)		Revere Beach Pkwy extends through the rotary. ICD 560 ft x 460 ft.
Malden, MA Middlesex Co. United States	Fellsway E / Highland Ave (42.43419, -71.08356)	Traffic Calming Circle Existing	One-Way/Two-Way Stop None	4 Approaches 0 Driveways 24.6814	Other (At-Grade) Multilane (2 Lane, unspecified)		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.
Winchester, MA Middlesex Co. United States	Main St / Mt Vernon St / Church St / Park St / Laraway Rd (42.45281, -71.13716)	Rotary Existing	Uncontrolled Pedestrian Signal (red-yellow-green to drivers)	5 Approaches 0 Driveways 47.5856	Other (At-Grade) Single-Lane		Improved ped crossings (markings) approx. 2001. Ped access to train station nearby. Bike racks. on-street parking on circular roadway. ICD estimated from Google Maps linework.
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.
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.
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.
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.
Brighton, MA Suffolk Co. United States	Beacon St / Soldiers Field Parkway / Parsons St / US 20 (42.35821, -71.16022)	Rotary Existing	Other None	5 Approaches 0 Driveways 147.3851	Other (At-Grade) Multilane (3+ Lane)		Lane redesign in approx. 2013 Pavement markings redone in approx. 2010. Control Type: mix of Signal, stop and yield signs. All approaches have their own treatment. ICD estimated from Google Maps linework.
Cambridge, MA Middlesex Co. United States	Memorial Dr (Rte 3) / Brookline St / BU Bridge (Rte 2) (42.35424, -71.11081)	Rotary Existing	Other None	4 Approaches 0 Driveways 84.7297	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Control Types: Signals on BU Bridge approach and exit, other approaches yield sign. ICD estimated from Google Maps linework.
Boston, MA Suffolk Co. United States	William J Day Blvd / Broadway (42.33584, -71.02402)	Rotary Existing	Uncontrolled None	3 Approaches 0 Driveways 19.4229	Other (At-Grade) Multilane (2 Lane, unspecified)		No pavement markings on circular roadway. On street parking on circular roadway. ICD estimated from Google Maps linework.
Brookline, MA Norfolk Co. United States	Lee St / Warren St / Dudley St (42.32272, -71.13750)	Rotary Existing	Other None	3 Approaches 0 Driveways 52.9826	Other (At-Grade) Multilane (2 Lane, unspecified)		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.
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.