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
Lake Elmo, MN Washington Co. United States	34th St. / Stillwater Blvd. / Jamaca Ave. (44.99691, -92.92370)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2011	Right-turn bypass lanes in northwest and southeast quadrants.
Cedar Lake Township, MN Scott Co. United States	TH 19 / CSAH 23 / CSAH 86 (44.54387, -93.44223)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.0071	Other (At-Grade) Single-Lane	2010	Right-turn bypass lane in southwest quadrant. Realigned four 2-way stop intersections into single roundabout. ICD estimated from Google Maps linework.
Cranberry Township, PA Butler Co. United States	Cranberry Woods Dr. / Longtree Way (40.68406, -80.08105)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.1328	Other (At-Grade) Single-Lane	2009	Yield-controlled right-turn bypass lanes on north and south legs. ICD estimated from Google Maps linework.
Cranberry Township, PA Butler Co. United States	Glen Eden Rd. / Powell Rd. / Freshcorn Rd . (40.72018, -80.14300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7764	Other (At-Grade) Single-Lane	2015	Previously controlled by two-way stop ICD estimated from Google Maps linework.
(unincorporated), OR Deschutes Co. United States	Powell Butte Hwy / Neff Rd. / Alfalfa Market Rd. (44.06559, -121.20466)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1925	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Browning, MT Glacier Co. United States	US 2 / US 89 (48.55595, -113.02434)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2015	Left-turn-only lane on east leg.
Fairbanks, AK Fairbanks North Star United States	Helmericks Ave. / Herb Miller Blvd. (64.85550, -147.69338)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.9708	Other (At-Grade) Single-Lane	2014	Completion year 2014 estimated. ICD estimated from Google Maps linework.
Fairbanks, AK Fairbanks North Star United States	Bentley Trust Rd. / Illinois St (64.85444, -147.70893)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0170	Other (At-Grade) Single-Lane	2014	Bypass lane on south leg. Completion year of 2014 estimated. ICD estimated from Google Maps linework.
Fairbanks, AK Fairbanks North Star United States	Helmericks Ave. / Merhar Ave. (64.85627, -147.70576)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 75.6114	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Rineyville, KY Hardin Co. United States	KY 220 / KY 1600 / Thompson Rd. (37.75020, -85.96772)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2010	Yield-controlled right-turn lane on east leg.
Carmel, IN Hamilton Co. United States	W. 106th St. / Ditch Rd. (39.94146, -86.18407)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3022	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W. 106th St. / Shelborne Rd. (39.94108, -86.22241)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1221	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Lancaster, MA Worcester Co. United States	Lunenburg Rd. / Old Union Turnpike (42.51839, -71.69255)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.9723	Other (At-Grade) Single-Lane	2013	Year estimated between 2010 and 2015. ICD estimated from Google Maps linework.
Louisville, KY Jefferson Co. United States	Trevilian Way / Louisville Zoo Entrance (38.20764, -85.70862)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.2772	Other (At-Grade) Single-Lane	2009	Oblong shape. ICD estimated from Google Maps linework.
Lexington, KY Fayette Co. United States	Iron Works Pkwy. / War Admiral Blvd. / Jenney Ln. (38.14812, -84.52026)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.3265	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Waterbury, VT Washington Co. United States	US 2 / VT 100 (44.34144, -72.75923)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.1459	Other (At-Grade) Single-Lane	2014	Completion year estimated. ICD estimated from Google Maps linework.
Epping, NH Rockingham Co. United States	Fresh River Road / Epping Crossing development entrance (43.03021, -71.06982)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1758	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Court St. / Allen Ct. / Cheshire Medical Center entrance (42.94991, -72.29057)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.2257	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Hanover, NH Grafton Co. United States	Lyme Rd. (NH 10) / Reservoir Rd. (43.71814, -72.27405)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.3912	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Hanover, NH Grafton Co. United States	NH 10 (Lyme Rd.) / (no intersecting street) (43.72763, -72.26868)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006
Goffstown, NH Hillsborough Co. United States	NH 114 (S. Mast St.) / Wallace Rd. (43.01441, -71.58619)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.4516	Other (At-Grade) Single-Lane	2010	External truck apron in SE quadrant. ICD estimated from Google Maps linework.
Goffstown, NH Hillsborough Co. United States	Center St. / Henry Bridge Rd. (43.02136, -71.54726)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 29.6879	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Plymouth, NH Grafton Co. United States	US 3 / Bridge St. (NH 175A) / High St. (43.76001, -71.68737)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3282	Other (At-Grade) Single-Lane	2007	Adjacent to at-grade railroad crossing. ICD estimated from Google Maps linework.
Meredith, NH Belknap Co. United States	US 3 / Parade Rd. (NH 106) (43.64029, -71.49928)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.5728	Other (At-Grade) Single-Lane	2007	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 (At-Grade) 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.
Concord, NH Merrimack Co. United States	N. State St. / Franklin St. (43.21304, -71.54215)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 23.5019	Other (At-Grade) Single-Lane	2009	Fifth leg is departure only into frontage road. ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	Centre St. / Liberty St. (43.20410, -71.54851)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.5054	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
New London, NH Merrimack Co. United States	Newport Rd. / County Rd. (43.42280, -72.00003)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.4930	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	NH 101 / Shaw's Plaza entrance (42.87519, -71.96153)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.0080	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Durham, NH Strafford Co. United States	Main St. / North Dr. (43.14065, -70.94124)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.5016	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	Old Street Rd. / Parmalee Dr. / Monadnock Community Hospital entrance (42.89272, -71.93790)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3750	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	Monadnock Community Hospital entrance / parking areas (42.89412, -71.93811)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3743	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	US 3 (Village St.) / Washington St. (43.28008, -71.59997)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.2150	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Boscawen, NH Merrimack Co. United States	US 4 (King St.) / Tremont St. (43.29130, -71.59523)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2011	Merging right-turn bypass lane on south leg.
Keene, NH Cheshire Co. United States	NH 12A (Maple Ave.) / Court St. / Old Walpole Rd. (42.96305, -72.30895)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.7161	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Pelham, NH Hillsborough Co. United States	NH 111A / Nashua Rd. (42.73399, -71.32318)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1079	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Pelham, NH Hillsborough Co. United States	NH 111A (Marsh Rd.) / Acorn Ln. / Village Green (42.73178, -71.32437)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.7778	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Bedford, NH Hillsborough Co. United States	Donald St. / Market Basket center entrance (42.96921, -71.50647)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.9653	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Bedford, NH Hillsborough Co. United States	Meetinghouse Rd. / Gault Rd. (42.94741, -71.49442)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.8432	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Laconia, NH Belknap Co. United States	US 3 / NH 11B (43.60333, -71.45460)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 35.4589	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Nice, CA Lake Co. United States	SR 20 / Pyle Rd. (39.13028, -122.87111)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.7641	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Jeffersonville, VT Lamoille Co. United States	VT 108 / VT 15 (44.64775, -72.82956)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.5430	Other (At-Grade) Single-Lane	2014	Completion year estimated. ICD estimated from Google Maps linework.
Smithfield, NC Johnston Co. United States	Industrial Park Dr. / Outlet Center Dr. (35.50568, -78.32335)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.2508	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Sunset Beach, NC Brunswick Co. United States	Sunset Blvd. / Shoreline Dr. (33.88543, -78.51091)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.6591	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Greenville, NC Pitt Co. United States	E Fire Tower Rd. / Portertown Rd. / Robins Ln. (35.57142, -77.32778)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.9724	Other (At-Grade) Single-Lane	2012	Right-turn bypass lane in NW quadrant. ICD estimated from Google Maps linework.
Shallotte, NC Brunswick Co. United States	Bricklanding Rd. / Hale Swamp Rd. (33.94207, -78.41089)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 53.5042	Other (At-Grade) Single-Lane	2015	Right-turn bypass lane in SE quadrant. ICD estimated from Google Maps linework.
Rocky Mount, NC Nash Co. United States	Eastern Ave. / Nash Community College entrance (35.97127, -77.89972)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.8639	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Wilson, NC Wilson Co. United States	Atlantic Christian College Dr. / Raleigh Road Pkwy. / Corbett Ave. (35.73794, -77.91118)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.0219	Other (At-Grade) Single-Lane	2013	At Barton College. ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Ashton Glen / Windrush Ln. (35.95683, -78.82894)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 31.9031	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Windrush Ln. / Callandale Ln. (35.95677, -78.83138)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 23.2023	Unknown Single-Lane	2011	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Cardinal Lake Dr. / Whispering Oak Ln. (36.01666, -78.81048)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.0488	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Cardinal Lake Dr. / Medallion Dr. / Golden Eagle Dr. (36.01335, -78.81598)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 28.9821	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Danziger Dr. / Witherspoon Blvd. (35.94866, -78.98963)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 30.9395	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	E. Geer St. / Avondale Dr. / Grove St. (36.00385, -78.88342)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.0532	Other (At-Grade) Single-Lane	2011	Yield-controlled right-turn bypass lane in NW quadrant. ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Golden Belt Pkwy. / Creighton Hall Way (35.94994, -78.82822)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.8727	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Golden Belt Pkwy. / Patterson Mill Rd. (35.95247, -78.83054)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.8053	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Morrisville, NC Wake Co. United States	Shiloh Glenn Dr. / Lower Shiloh Way (35.86587, -78.84024)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.9398	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Morrisville, NC Wake Co. United States	Shiloh Glenn Dr. / Belstar Ave. (35.86568, -78.84503)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.0041	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Keystone Park Dr. / Mainline Station (35.87125, -78.85600)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 22.2596	Other (At-Grade) Single-Lane	2013	Upgraded from neighborhood traffic circle around 2013. ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Keystone Park Dr. / Station Dr. (35.86828, -78.85216)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.2282	Other (At-Grade) Single-Lane	2013	Upgraded from neighborhood traffic circle around 2013 ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Millspring Dr. / Millspring Dr. (36.04328, -78.94572)	Other Existing	Unknown Unknown	2 Approaches 0 Driveways 25.1082	Other (At-Grade) Single-Lane	2001	Year completed estimated. ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Prospect Pkwy. / Morehead Hill Ct. (35.95032, -78.81870)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.7731	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	Flat River Dr. / Irving Way / Carthage Ct. (35.94976, -78.81408)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.8728	Other (At-Grade) Single-Lane	2009	No splitter islands on three legs. ICD estimated from Google Maps linework.
Durham, NC Durham Co. United States	University Pl. / Ivy Creek Blvd. (35.95846, -78.96373)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.0687	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Youngsville, NC Franklin Co. United States	Oak Park Blvd. / Ambergate Dr. (36.06786, -78.44925)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 32.8236	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Youngsville, NC Franklin Co. United States	Olde Liberty Dr. / Commonwealth Dr. / Clubhouse Dr. (36.07125, -78.52006)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 77.2287	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Apex, NC Wake Co. United States	Blackburn Rd. / Orchard Villas Ave. (35.74781, -78.86505)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.1406	Other (At-Grade) Single-Lane	2008	Modified in 2012 to add splitter islands. ICD estimated from Google Maps linework. 21442
Apex, NC Wake Co. United States	Homeplace Dr. / Blue Thorn Dr. (35.66598, -78.75475)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.9014	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Cary, NC Wake Co. United States	Carpenter Upchurch Rd. / Green Hope High School entrance (35.80318, -78.86969)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.4946	Other (At-Grade) Single-Lane	2014	Only one circulating lane is provided. South leg has two lanes (TH and RT); east leg has two lanes (LT and RT). ICD estimated from Google Maps linework.
Ocean Isle Beach, NC Brunswick Co. United States	Ocean Isle Beach Rd. (SR 1184) / Old Georgetown Rd. (SR 1163) (33.92876, -78.44667)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.5306	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). Right-turn bypass lanes with acceleration lanes on all four legs. ICD estimated from Google Maps linework.
Cary, NC Wake Co. United States	Carramore Ave. / Halcyon Meadow Dr. (35.79935, -78.85491)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0292	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Cary, NC Wake Co. United States	Carramore Ave. / Halcyon Meadow Dr. / Creststone Dr. (35.79980, -78.84965)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.0604	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Cary, NC Wake Co. United States	Cary Glen Blvd. / Waverly Hills Dr. (35.81174, -78.91465)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7728	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 16th Ave. / SE Salmon St. (45.51435, -122.64961)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 15.0642	Other (At-Grade) Single-Lane	1982	Completed 2/18/1982. ICD estimated from Google Maps linework.
Carmel, IN Hamilton Co. United States	W Main St. / N. Pennsylvania St. (39.97798, -86.15539)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2690	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Juneau, AK Juneau United States	Glacier Hwy. / Mendenhall Loop Rd. (Back Loop) (58.38637, -134.64432)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.0674	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Catonsville, MD Baltimore Co. United States	Edmundson Avenue / Old Frederick Road (39.27533, -76.76612)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.3400	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Portland, OR Multnomah Co. United States	SE 13th Ave. / SE Salmon St. (45.51434, -122.65264)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 17.5750	Other (At-Grade) Single-Lane	1989	Completed 1/11/1989. ICD estimated from Google Maps linework.
Brunswick, MD Frederick Co. United States	Potomac View Parkway / Dutchmans Creek (39.33265, -77.63770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.3326	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Brunswick, MD Frederick Co. United States	Potomac View Parkway / Volunteer Drive (39.33145, -77.63483)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1808	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Baltimore, MD Baltimore City Co. United States	Old Frederick Road / Maple Wood Road (39.29094, -76.69283)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8815	Other (At-Grade) Single-Lane	2013	4th leg not built yet - for future development ICD estimated from Google Maps linework.
Baltimore, MD Baltimore City Co. United States	Wilkens Ave / Mount St / Ramsey St (39.28325, -76.64332)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 31.4310	Other (At-Grade) Single-Lane	2001	Completed prior to 2002 ICD estimated from Google Maps linework.
Cincinnati, OH Hamilton Co. United States	Fulton Ave / Eden Park Drive (39.11472, -84.49347)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.2865	Other (At-Grade) Single-Lane	1999	ICD estimated from Google Maps linework.
St Simons Island, GA Glynn Co. United States	Brockinton Dr. / Hanging Moss Dr. (31.16501, -81.39671)	Traffic Calming Circle Existing	Unknown None	3 Approaches 0 Driveways 40.8785	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Temecula, CA Riverside Co. United States	Rancho California Rd. / Anza Rd. (33.53401, -117.05592)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.8217	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / Swift Gulch Rd. (39.62841, -106.49309)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.0351	Other (At-Grade) Single-Lane	2007	Year completed estimated. ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / Market St. (39.66135, -106.82905)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.4218	Other (At-Grade) Single-Lane	2013	Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework.
Horseheads, NY Chemung Co. United States	Rte 13 / E. Franklin St. (42.16756, -76.80553)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.7531	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Horseheads, NY Chemung Co. United States	Rte 13 / Old Ithaca Rd. / Breesport Rd. (42.18851, -76.79076)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.2025	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	US 62 (Buffalo St.) / Prospect Ave. (42.72197, -78.82588)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.9548	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	US 62 (Buffalo St.) / Legion St. / Clark St. (42.72590, -78.82574)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1134	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Tifft St. / Rte 5 NB Ramps (42.83952, -78.85611)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.4029	Freeway Ramps (Grade-Separated) Single-Lane	2010	ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Fuhrmann Blvd. / Outer Harbor Dr. (42.86220, -78.87408)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.3945	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Fort Erie, ON Niagara Canada	Queen St. / Goderich St. (42.90951, -78.91385)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.7419	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Grand Island, NY Erie Co. United States	Rte 324 / Staley Rd. (43.00727, -78.94897)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.8083	Freeway Ramps (Grade-Separated) Single-Lane	2011	ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Audubon Pkwy. / Lee Rd. (43.00547, -78.78589)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.4296	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Aero Dr. / S. Youngs Rd. (42.94547, -78.72490)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.5988	Other (At-Grade) Single-Lane	2010	Year completed estimated. ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Aero Dr. / Holtz Dr. (42.94093, -78.71780)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 27.1038	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Brockport, NY Monroe Co. United States	Rte 19 (Main St.-Lake Rd.) / West St. / East St. (43.22019, -77.93696)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.7763	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Rochester, NY Monroe Co. United States	E River Rd. / Murlin Dr. / Kendrick Rd. (43.11413, -77.63435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2334	Other (At-Grade) Single-Lane	2013	Converted from three-way intersection into four-way intersection. ICD estimated from Google Maps linework.