Roundabouts Database Index

11254 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
Middleton, ID Canyon Co. United States	Emmett Rd. / 9th St. (43.71535, -116.65284)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.4355	Other Multilane (2 Lane)	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Sydney, NS Cape Breton Canada	George St. / Hwy 125 EB Ramps / Louisbourg Hwy. (46.11459, -60.16760)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.8803	Freeway Ramps Single-Lane	2014	ICD estimated from Google Maps linework.
Sydney, NS Cape Breton Canada	Churchill Dr. / Hwy 125 WB Ramps (46.10795, -60.18697)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.3697	Freeway Ramps Single-Lane	2014	ICD estimated from Google Maps linework.
Cape Breton, NS Cape Breton Canada	Churchill Dr. / Hwy 125 EB Ramps (46.10643, -60.18726)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.7149	Freeway Ramps Single-Lane	2014	ICD estimated from Google Maps linework.
Cape Breton, NS Cape Breton Canada	Alexandra St. / Kenwood / Highway125 WB Ramps / Kenwood Dr. (46.10623, -60.20218)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.4978	Freeway Ramps Single-Lane	2009	ICD estimated from Google Maps linework.
Cape Girardeau, MO Cape Girardeau Co. United States	Rte W (Cape La Croix Rd.) / Lexington Ave. / Kingsway Dr. (37.33345, -89.57061)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6328	Other Multilane (2 Lane)	2013	ICD estimated from Google Maps linework.
Cape Girardeau, MO Cape Girardeau Co. United States	S Fountain St. / Morgan Oak St.. (37.29779, -89.52319)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1531	Other Single-Lane	2011	ICD estimated from Google Maps linework.
Cape Girardeau, MO Cape Girardeau Co. United States	Gordonville Rd. / S Silver Springs Rd. (37.30215, -89.56839)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.2011	Other Single-Lane	2001	Year Completed estimated (1998-2003). ICD estimated from Google Maps linework.
Cape Girardeau, MO Cape Girardeau Co. United States	Independence St. / E Rodney Dr. / Gordonville Rd. (37.30765, -89.56022)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0484	Other Single-Lane	2016	ICD estimated from Google Maps linework.
Jackson, MO Cape Girardeau Co. United States	E Main St. / Hope St. (37.38250, -89.66654)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.2665	Other Single-Lane	2016	Elliptical shape. ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Coen Steytler Roundabout (Heeengracht St. / Walter Sisulu Ave.) (-33.91745, 18.42807)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 71.3595	Other Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Heerengracht St. / Adderley St. / Hans Strijdom Ave. (-33.91981, 18.42566)	Signalized Roundabout/Circle Existing	Signal Unknown	3 Approaches 0 Driveways 79.2862	Other Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Dock Rd. / W Quay Rd. / S Arm Rd. (-33.91154, 18.42249)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.6293	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Dock Rd. / Port Rd. (-33.91139, 18.42024)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.6823	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Helen Suzman Blvd. / Granger Bay Blvd. (-33.90722, 18.41089)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.4646	Other Multilane (3+ Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Granger Bay Blvd. / Fort Wynyard St. (-33.90477, 18.41435)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.7638	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Granger Bay Blvd. / Beach Rd. (-33.90351, 18.41632)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.7555	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Granger Bay Blvd. / Granger Rd. (-33.90307, 18.41702)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.7992	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Granger Rd. / Breakwater Blvd. (-33.90399, 18.41787)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7903	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Breakwater Blvd. / Jetty St. (-33.90268, 18.41980)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7906	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Breakwater Blvd. / (unknown) (-33.90158, 18.42140)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.7996	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Breakwater Blvd. / (parking) (-33.90119, 18.42261)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 23.7910	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Salt River Circle (Voortrekker Rd. / Durham Ave. / Salt River Rd. / Albert Rd.) (-33.92832, 18.45970)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6481	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Century Blvd. / Century Way (-33.88618, 18.51168)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.6331	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Century Blvd. / Waterstone Sq. (-33.88527, 18.51417)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6591	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Century Blvd. / Studio Ln. (-33.88456, 18.51754)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7106	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Century Blvd. / Century Ave. (-33.88532, 18.51944)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.6336	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Century Ave. / Socrates Way (-33.88384, 18.52110)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.6428	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Socrates Way / Socrates Way (-33.88321, 18.52031)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 21.8131	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Socrates Way / (unknown) (-33.88382, 18.51955)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.8809	Other Mini-roundabout		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Studio Ln. / Socrates Way (-33.88391, 18.51760)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 13.8809	Other Mini-roundabout		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Century Ave. / Edison Way (-33.88226, 18.52237)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.7030	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Montague Dr. / Summer Greens Dr. / Century City Rd. (-33.88040, 18.52271)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.6953	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Summer Greens Dr. / Heath Rd. (-33.87917, 18.52657)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 16.8563	Other Mini-roundabout		ICD estimated from Google Maps linework.
Milnerton, Western Cape Cape Town South Africa	Victoria Dr. / Shearer Green (-33.88758, 18.52294)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 2 Driveways 17.8461	Other Single-Lane		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Centenary Dr. / Gutsche Rd. (-34.08401, 18.82311)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.6424	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Centenary Dr. / Urtel Cres. (-34.08268, 18.82154)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 53.4156	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Centenary Dr. / (parking) (-34.08481, 18.82458)	Roundabout Removed	All-Way Yield Unknown	4 Approaches 0 Driveways 33.6312	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	(parking) / (parking) (-34.08512, 18.82431)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 19.7830	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Reese Rd. / Centenary Dr. / Dickson Rd. (-34.08565, 18.82614)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.6743	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	De Beers Ave. / Reese Rd. / Victoria Link Rd. (-34.08885, 18.82542)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.7168	Other Multilane (2 Lane)		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	De Beers Ave. / (unknown) (-34.08929, 18.82345)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 10.8801	Other Single-Lane		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	De Beers Ave. / (unknown) (-34.08969, 18.82164)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 157.2664	Other Single-Lane		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	De Beers Ave. / Forsyth Rd. (-34.08811, 18.82878)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 17.8041	Other Single-Lane		ICD estimated from Google Maps linework.
Cape Town, Western Cape Cape Town South Africa	Forsyth Rd. / Jigger Ave. / Helderzicht Rd. (-34.08708, 18.82840)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 164.1951	Other Mini-roundabout		ICD estimated from Google Maps linework.
North Saanich, BC Capital Canada	McTavish Rd. / Transit Center parking (48.63012, -123.41396)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 20.5232	Other Single-Lane	2011	ICD estimated from Google Maps linework.
North Saanich, BC Capital Canada	McTavish Rd. / Canora Rd. / Hwy 17 SB Ramps (48.63091, -123.41283)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.9391	Freeway Ramps Multilane (2 Lane)	2011	ICD estimated from Google Maps linework.
North Saanich, BC Capital Canada	McTavish Rd. / Lochside Dr. / Hwy 17 NB Ramps (48.62987, -123.41133)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.7827	Freeway Ramps Multilane (2 Lane)	2011	ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	West Shore Pkwy. / Langford Pkwy. (48.44551, -123.53750)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.5730	Other Multilane (2 Lane)	2014	ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Langford Pkwy. / Clearwater Rd. (48.44346, -123.52009)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.3139	Other Single-Lane	2007	Year Completed estimated (2004-2010). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	West Shore Pkwy. / (unknown) (48.44867, -123.54036)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.3109	Other Single-Lane	2017	Third approach stubbed for future use. ICD estimated from Google Maps linework.
Sooke, BC Capital Canada	Hwy 14 / Brownsley Blvd. / (shopping center parking lot) (48.37853, -123.72100)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.1447	Other Single-Lane	2015	ICD estimated from Google Maps linework.
Sidney, BC Capital Canada	Ocean Ave. / Fifth St. (48.64439, -123.40030)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0891	Other Single-Lane	2013	http://www.sidney.ca/Assets/Administration/2014/January+2014+Town+Talk.pdf ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	McCallum Rd. / Redington Ave. (48.46040, -123.49628)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6802	Other Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Arngask Ave. / Echo Valley Dr. (48.46742, -123.51255)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.9244	Other Single-Lane	2003	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Bear Mountain Pkwy. / Nicklaus Dr. / Rivers Crossing (48.47523, -123.52252)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.3367	Other Single-Lane	2005	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Bear Mountain Pkwy. / Hedgestone Ln. / Champions Way (48.47491, -123.52815)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.5451	Other Single-Lane	2005	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Bear Mountain Pkwy. / Country Club Way (48.47595, -123.53110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.1693	Other Single-Lane	2002	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Watkiss Way / Despoilation Alley (48.46815, -123.43039)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8429	Other Single-Lane	2015	Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Helmcken Rd. / Pheasant Ln. (48.45805, -123.43637)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.9692	Other Single-Lane	2007	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Helmcken Rd. / Kingham Pl. / Vickery Rd. (48.46226, -123.43199)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.9673	Other Single-Lane	2007	Year Completed estimated (before 2009). ICD estimated from Google Maps linework.
North Saanich, BC Capital Canada	Willingdon Rd. / Electra Blvd. (48.63765, -123.43312)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7756	Other Multilane (2 Lane)	2012	Turbo-roundabout with raised lane dividers for single multilane movement (southbound double left turn). ICD estimated from Google Maps linework.
Victoria, BC Capital Canada	Finnerty Rd. / McKenzie Ave. / Sinclair Rd. (48.46700, -123.30764)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.3003	Other Single-Lane	2013	ICD estimated from Google Maps linework.
North Saanich, BC Capital Regional District Canada	Willington Rd. / E. Saanich Rd. (48.63520, -123.42030)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9387	Other Single-Lane	2005	http://www.icbc.com/road_safety/pdf/vancouver%20island/north%20saanich.pdf ICD estimated from Google Maps linework.
Central Saanich, BC Capital Regional District Canada	West Saanich Rd. / Verdier Ave. (48.57791, -123.44920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2854	Other Single-Lane	2006	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Sidney, BC Capital Regional District Canada	Beacon Ave. / 1st St. (48.64890, -123.39530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6171	Other Single-Lane	2007	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Boulevard de la Morille / Boulevard Robert Bourassa (46.83900, -71.31117)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.7642	Other Single-Lane	2007	ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Ave. Honore-Mercier / Place de l'Assemblee (46.80959, -71.21263)	Other Existing	Other None	2 Approaches 0 Driveways 40.8714	Other Single-Lane		Fountain in central island added in August 2007. ICD estimated from Google Maps linework.
Quebec, QC Capitale-Nationale Region Canada	Rue de la Rive-Boisee N / Rue du Baumier (46.83577, -71.32956)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0000	Other Single-Lane		No splitter islands. 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 Single-Lane	2015	ICD estimated from Google Maps linework.
Moose Lake, MN Carlton Co. United States	STH 73 / Moose Lake Rd. (46.43462, -92.76169)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.7475	Other Single-Lane	2017	ICD estimated from Google Maps linework.
Cloquet, MN Carlton Co. United States	STH 33 / I-35 Ramps / Frontage Rd. (46.69239, -92.45712)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.4067	Freeway Ramps Multilane (2 Lane)	2018	ICD estimated from Google Maps linework.
Federalsburg, MD Caroline United States	MD 307 / MD 313 / MD 318 (38.68938, -75.78949)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4247	Other Single-Lane	1999	Rural, installed for safety reasons Previously controlled by two-way stop ICD estimated from Google Maps linework.
Ladysmith, VA Caroline United States	Edmund Pendleton Dr. / (unknown) (38.00584, -77.51439)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.8177	Other Single-Lane	2006	Functional Class: Local ICD estimated from Google Maps linework.
Ladysmith, VA Caroline United States	Library Blvd. / Azalea Dr. (38.02824, -77.52386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.6312	Other Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Taneytown, MD Carroll United States	MD 140 / MD 832 / Antrim Blvd. (39.64809, -77.15468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4627	Other Multilane (2 Lane)	1996	Completed August 1996. Curbs set for double lane, striped for single outer circulating lane. ICD estimated from Google Maps linework.
Hampstead, MD Carroll United States	MD 88 / MD 833 (39.60434, -76.83682)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.0470	Other Single-Lane	2004	ICD estimated from Google Maps linework.
Whitesburg, GA Carroll United States	SR 5 / SR 16-US 27 Alt (33.49142, -84.91228)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 17.9286	Other Unknown		ICD estimated from Google Maps linework.
Roopville, GA Carroll United States	SR 5 / Old US 27 (33.46011, -85.12862)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 22.9170	Other Unknown		ICD estimated from Google Maps linework.
Sykesville, MD Carroll United States	Bennett Rd. / Monroe Ave. (39.41306, -76.92967)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.7590	Other Single-Lane	2006	ICD estimated from Google Maps linework.
Westminster, MD Carroll United States	Market St. / Gorsuch Rd. (39.57010, -76.97452)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6987	Other Single-Lane	2005	Right-turn bypass lanes on SW and SE quadrants. ICD estimated from Google Maps linework.
North Conway, NH Carroll Co. United States	North-South Rd. / Mountain Valley Blvd. (44.01996, -71.10962)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3536	Other Single-Lane	2007	Right-turn bypass lane in NW quadrant. East leg stubbed for future use. Adjacent to Lowe's Home Improvement center. ICD estimated from Google Maps linework.
Hampstead, MD Carroll Co. United States	MD 30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.58178, -76.84261)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.1498	Other Multilane (2 Lane)	2009	ICD estimated from Google Maps linework.
Hampstead, MD Carroll Co. United States	MD 30 (Hampstead Bypass) / MD 482 (Hampstead Mexico Rd.) (39.61108, -76.86457)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3657	Other Multilane (2 Lane)	2009	ICD estimated from Google Maps linework.
Hampstead, MD Carroll Co. United States	MD-30 (Hampstead Bypass) / Business MD 30 (Hanover Pike) (39.63466, -76.86675)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.6684	Other Multilane (2 Lane)	2009	ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Smithfield Ave. / Warfield Ave. (39.37673, -76.96410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0835	Other Multilane (2 Lane)	2007	Elliptical shape. ICD estimated from Google Maps linework.
Conway, NH Carroll Co. United States	North-South Rd / (Walmart parking) (44.01823, -71.10901)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.2134	Other Single-Lane	2014	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Sykesville, MD Carroll Co. United States	Old Washington Rd. (MD 97) / W Old Liberty Rd. (39.42906, -77.00755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.1330	Other Single-Lane	2000	Year Completed estimated (1995-2005). ICD estimated from Google Maps linework.
Carrollton, GA Carroll Co. United States	GA 16 (Newnan Rd.) / Education Dr. (33.56571, -85.04510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8215	Other Single-Lane	2012	Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Carson City, NV Carson City United States	Northridge Dr. / Spooner Dr. (39.18150, -119.74896)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 99.9997	Other Single-Lane	1997	Painted splitter islands on Northridge approaches. Year Completed estimated (1994-1999).
Carson City, NV Carson City United States	Northridge Dr. / Carriage Crest Dr. (39.18290, -119.75077)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.3840	Other Single-Lane	1997	Year Completed estimated (1994-1999).
Carson City, NV Carson City United States	Northridge Dr. / Tablerock Dr. (39.18460, -119.75685)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other Single-Lane	1999	Year Completed estimated (1994-1999).
Carson City, NV Carson City United States	Arrowhead Dr. / I-580 SB Ramp (39.19810, -119.77540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.7669	Freeway Ramps Single-Lane	2002	Future SB on-ramp for Carson City Freeway (I-580). Overpass and roundabouts completed in 2002; freeway ramps completed ~2005. ICD estimated from Google Maps linework.
Carson City, NV Carson City United States	Arrowhead Dr. / I-580 NB Ramps / Imus Rd. (39.19840, -119.77380)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.6923	Freeway Ramps Single-Lane	2002	NB off-ramp for Carson City Freeway (I-580) and extension of Imus Road. Overpass and roundabouts completed in 2002. ICD estimated from Google Maps linework.
Carson City, NV Carson City United States	E 5th St. / Fairview Dr. (39.16090, -119.72790)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other Single-Lane	1999
Emerald Isle, NC Carteret Co. United States	Emerald Dr. / Plantation Dr. (34.66452, -77.04878)	Other Existing	Other Unknown	4 Approaches 0 Driveways 28.4876	Other Single-Lane		ICD estimated from Google Maps linework.
Emerald Isle, NC Carteret Co. United States	NC 58 / Mallard Dr. / Emerald Landing Dr. (34.66104, -77.05268)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.2420	Other Multilane (2 Lane)	2018	Developer project. ICD estimated from Google Maps linework.
(unincorporated), MN Carver United States	STH 7 / CTH 10 (44.90543, -93.81859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0628	Other Single-Lane	2008	Rural. ICD estimated from Google Maps linework.
(unincorporated), MN Carver United States	STH 7 / STH 25 (44.90572, -93.86993)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.9839	Other Single-Lane	2009	Rural. ICD estimated from Google Maps linework.
Waconia, MN Carver United States	STH 284 / Sparrow Rd. (44.83273, -93.78841)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.7262	Other Single-Lane	2009	ICD estimated from Google Maps linework.