Roundabouts Database Index

29804 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
Richmond Township, PA Berks Co. United States	Kutztown Rd. (US 222) / Moselem Springs Rd. (PA 662) (40.48551, -75.83896)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 55.4106	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Prather, CA Fresno Co. United States	SR 168 (Morgan Canyon Rd.) / Auberry Rd. / (parking lot) / (parking lot) (37.03726, -119.51426)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 41.9481	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Forsyth, MO Taney Co. United States	US 160 (Korean War Veterans Hwy.) / SR 76 (36.68507, -93.10040)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018
Upper Lake, CA Lake Co. United States	SR 20 / SR 29 (39.16333, -122.92095)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.1148	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Fort Worth, TX Tarrant Co. United States	Mark IV Pkwy / Cantrell Sansom Rd. (32.84778, -97.32122)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	.
Fort Worth, TX Tarrant Co. United States	Tehama Ridge Pkwy. / Heritage Trace Pkwy. (32.91462, -97.32262)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	.
Pauma Valley, CA San Diego Co. United States	SR 76 / Valley Center Rd. / (parking lot) (33.28828, -116.95813)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.9411	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Prineville, OR Crook Co. United States	OR 126 / SW Tom McCall Rd. (44.28555, -120.88834)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7340	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Hales Corners, WI Milwaukee Co. United States	STH 24 (W Forest Home Ave.-Janesville Rd.) / W Forest Home Ave. (42.93732, -88.04641)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.0902	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	SR 548 (Grandview Rd.) / Kickerville Rd. (48.89209, -122.70435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Mount Vernon, WA Skagit Co. United States	SR 9 / Old Day Creek Rd. / Francis Rd. (48.46779, -122.23666)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2018
Lynnwood, WA Snohomish Co. United States	Filbert Rd. / Larch Way (47.82594, -122.25342)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4519	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lynnwood, WA Snohomish Co. United States	Filbert Rd. / Locust Way / Magnolia Rd. (47.82528, -122.25500)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2541	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Olympia, WA Thurston Co. United States	Boulevard Rd. / Morse-Merryman Rd. SE (47.01817, -122.86518)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.2699	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Red Lodge, MT Carbon Co. United States	US 212 (Broadway Ave.) / 3rd St. (45.19487, -109.24681)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.3987	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
South Point, OH Lawrence Co. United States	Solida Rd. / US 52 WB Ramps / Collins Ave. (38.42360, -82.57472)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.7198	Freeway Ramps (Grade-Separated) Single-Lane	2019	ICD estimated from Google Maps linework.
Sycamore Township, OH Hamilton Co. United States	Plainfield Rd. / Sycamore Rd. (39.21534, -84.39192)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.9388	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
New Iberia, LA Iberia Par. United States	Belle Place Olivier Rd. (LA 320) / Loreauville Rd. (LA 86) (30.00947, -91.74349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Freestate/North Highlands, LA Caddo Par. United States	LA 538 (Old Mooringsport Rd.) / LA 538 (Ravendale Dr.) / Ravendale Dr. (32.56010, -93.77650)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 63.4166	Other (At-Grade) Single-Lane	2016	Replaced large triangular intersection that had 2 stop signs and one yield sign. ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	Fishermead Roundabout (Marlborough St. / Chaffron Way) (52.03576, -0.73591)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.2259	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	Eaglestone Roundabout (Saxon St. / Chaffron Way) (52.03140, -0.74564)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.0263	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	North Grafton Roundabout (Portway / Grafton Gate) (52.03998, -0.77478)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 101.3810	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	Portway / A5 Ramps (52.03735, -0.78203)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 123.4277	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Boyd Lake Ave. / Lost Creek Dr. (40.41446, -105.02100)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 37.2826	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	West leg stubbed for future road. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Boyd Lake Ave. / Long Pine Lake Dr. / Frank Rd. (40.41940, -105.02089)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 43.6447	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Long Pine Lake Dr. / Bluestem Willow Dr. (40.42036, -105.01331)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9146	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	N. Boyd Lake Dr. / Mountain Lion Dr. (40.40535, -105.02098)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 110.0440	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	East leg stubbed. ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	CR 9 / CR 30 (40.46569, -105.02033)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7110	Other (At-Grade) Single-Lane	2009	Long splitter islands. Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	CR 30 / CR 11 (S Timberline Rd.) (40.46567, -105.03951)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.5283	Other (At-Grade) Single-Lane	2015	Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	CR 30 / CR 11C (40.46562, -105.04412)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.6197	Other (At-Grade) Single-Lane	2015	Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	CR 11C / E 57th St. (40.45099, -105.04418)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.3535	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Finch St. / Finch Pl. (40.38717, -105.06164)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.4649	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Aries Dr. / Saint John Pl. (40.39440, -105.03312)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 21.8305	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	Year Completed estimated (2012-2014). Appears to be a mini-roundabout but cannot verify at ground level. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	N Garfield Ave. / W 7th St. (40.39864, -105.07792)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.4623	Other (At-Grade) Single-lane w/ Traversable Central Island	2016	ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	Main St. / Gateway Dr. (39.95169, -105.16353)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2017	Elliptical shape.
Grande Prairie, AB Alberta Canada	Hwy 43X / Range Road 63 (116th Ave.) (55.22947, -118.84621)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.0403	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Peace River, AB Alberta Canada	96 Ave. / 100 St. / AB Hwy 744 (56.23733, -117.29013)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 45.7990	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Bonnyville No 87, AB Alberta Canada	AB Hwy 55 / AB Hwy 892 (54.45699, -110.48469)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.0454	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Spruce Grove, AB Alberta Canada	McLeod Ave. / Nelson Dr. (53.54319, -113.92259)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.0651	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Red Deer , AB Alberta Canada	Leva Ave. / Lantern St. (52.21072, -113.81631)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.8375	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Red Deer County, AB Alberta Canada	Lantern St. / Laura Ave. (52.21044, -113.82594)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.1283	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Lower Rattlesnake, MT Missoula Co. United States	N Van Buren St. / I-90 WB Ramps (46.87078, -113.98082)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.7424	Freeway Ramps (Grade-Separated) Unknown	2018	Completed summer 2018. ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	South Grafton Roundabout (Graffton Gate / Childs Way) (52.03227, -0.76605)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.0470	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	South Witan Roundabout (Childs Way / Witan Gate / Evans Gate) (52.03461, -0.76057)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.4924	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	South Saxon Roundabout (Childs Way / Saxon Gate / Saxon St.) (52.03694, -0.75517)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 49.9593	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	South Secklow Roundabout (Childs Way / Secklow Gate / Pentewan Gate) (52.03928, -0.74977)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.7527	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	Springfield Roundabout (Childs Way / Marlborough St.) (52.04168, -0.74451)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 51.4232	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	South Enmore Roundabout (Childs Way / Enmore Gate / Kenwood Gate) (52.04346, -0.73925)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.5445	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	South Overgate Roundabout (Childs Way / Overgate) (52.04492, -0.73450)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.0738	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	Woolstone Roundabout (Childs Way / Brickhill St.) (52.04711, -0.72361)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 57.2932	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	Fox Milne Roundabout (Childs Way / Tongwell St.) (52.04865, -0.70746)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.3532	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Milton Keynes, england Buckinghamshire United Kingdom	Northfield Roundabout (Chidls Way / Portway / A5130) (52.05445, -0.70227)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 71.2375	Other (At-Grade) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Milton Keynes, England Buckinghamshire United Kingdom	A509 / London Rd. / M1 Ramps (52.05881, -0.70017)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 55.0752	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Beverly, MA Essex Co. United States	Brimbal Ave. / Sohier Rd. (42.57437, -70.87860)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.9031	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Norfolk, MA Norfolk Co. United States	Union St. / North St. / Liberty Ln. (42.11823, -71.32501)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.8054	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	Parkhurst Dr. / Palomar Dr. (40.00132, -86.17607)	Other Existing	All-Way Yield Unknown	4 Approaches 7 Driveways 84.1700	Other (At-Grade) Single-Lane		Building in central island. ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	New Haven Dr. / Piedmont Dr. / Stockbridge Dr. (40.00795, -86.17278)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 61.2918	Unknown Single-Lane		Pedestrian access to central island. ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	Piedmont Dr. / Alexandria Dr. (40.00801, -86.16714)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 64.0361	Other (At-Grade) Single-Lane		Pedestrian access to central island. ICD estimated from Google Maps linework.
Westfield, IN Hamilton Co. United States	Wilshire Blvd. / Maybell Ln. / Hush Hickory Bend (40.01456, -86.17188)	Other Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.7591	Other (At-Grade) Single-Lane	2017	No splitter islands on two legs. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	Central Park Dr. W / Central Park Dr. S (39.94972, -86.13946)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.0324	Other (At-Grade) Single-Lane	2006	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.
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.
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.
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.
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.
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.
Brookline, MA Norfolk Co. United States	Chestnut St / Pond Ave (42.32283, -71.11966)	Rotary Existing	All-Way Yield None	3 Approaches 1 Driveways 36.2047	Other (At-Grade) Single-Lane		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.
Newburyport, MA Essex Co. United States	Newburyport Turnpike (US 1) / State St (42.79893, -70.87539)	Rotary Existing	All-Way Yield None	3 Approaches 5 Driveways 74.4880	Other (At-Grade) Multilane (2 Lane, unspecified)		No Ped facilities 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.
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.
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.
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.
Braintree, MA Norfolk Co. United States	Union Street / Rte 3 (42.21028, -70.99659)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 65.4619	Freeway Ramps (Grade-Separated) Single-Lane		Braintree Rotary 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.