Roundabouts Database Index

28782 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
Ashland, MA Middlesex Co. United States	Pond St. / Spyglass Hill Dr. / (parking) (42.24026, -71.43205)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2022	Utility pole within central island on inner edge of truck apron.
Warriewood , NSW Northern Beaches Australia	Ponderosa Parade / Jubilee Ave. (-33.67848, 151.28856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Columbia, MO Boone Co. United States	Ponderosa St. / Nocona Pkwy. / Kentsfield Ln. (38.90172, -92.28732)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.6139	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Columbia, MO Boone Co. United States	Ponderosa St. / Philips Farm Rd. (38.90387, -92.29025)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.8948	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Camino, CA El Dorado Co. United States	Pondorado Rd. / (US 50 underpass) / (future road) (38.73683, -120.70547)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	North leg passes under US 50. Future east leg not built. https://dot.ca.gov/caltrans-near-me/district-3/d3-projects/d3-us-50-camino-safety-4e620
Fort Wayne, IN Allen Co. United States	Pontiac St. / Wayne Trace (North) / Fenker Ave. / Pioneer St. (41.06183, -85.09948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	One of two adjacent roundabouts.
Fort Wayne, IN Allen Co. United States	Pontiac St. / Wayne Trace (South) / Adams St. / Pioneer St. (41.06100, -85.10003)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	One of two adjacent roundabouts.
Salem, MI Washtenaw Co. United States	Pontiac Trl. / 7 Mile Rd. (42.41368, -83.64647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
Saratoga Springs, UT Utah Co. United States	Pony Express Pkwy. / Riverside Dr. (40.36205, -111.91116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2016	Constructed initially as single-lane roundabout with stubbed east and west legs. Expanded to 2x1 multilane in 2022 with connection of east and west legs. Year Completed estimated (2015-2016).
Lincoln, NE Lancaster Co. United States	Pony Hill Ct. / S 53rd Street Ct. (40.73628, -96.64731)	Other Existing	Uncontrolled None	3 Approaches 4 Driveways 28.6512	Other (At-Grade) Single-Lane	2000
Columbia, SC Richland Co. United States	Pool Circle (34.15651, -80.93581)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Building and swimming pool in central island. Parking along circulatory roadway.
Egham, England Surrey United Kingdom	Pooley Green Rd. / Holbrook Meadow (51.42857, -0.53116)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Amersfoort, Utrecht Amersfoort Netherlands	Poortersdreef / Kattenbroekerpoort / Patricierslaan (52.19633, 5.38090)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Immokalee, FL Collier Co. United States	Pope John Paul II Blvd. / Milano St. (26.33684, -81.43278)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Durham, NC Durham Co. United States	Pope Rd. / Old Durham-Chapel Hill Rd. (35.94549, -78.99572)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.1063	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Leamington, Waikato Waipa New Zealand	Pope Terrace / Victoria St. / Cook St. (-37.90002, 175.47433)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wheaton-Glenmont, MD Montgomery Co. United States	Poplar Run Dr. / Night Sky Dr. / Moonlight Trail Dr. (39.07862, -77.03729)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Collingwood, ON Simcoe Canada	Poplar Sideroad / High St. (44.47572, -80.22881)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9406	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
West Bend, WI Washington Co. United States	Poplar St. / 6th Ave. (43.42078, -88.18365)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-Lane	1999	No splitter islands.
Concord, NC Cabarrus Co. United States	Poplar Tent Rd. / Gable Oaks Ln. / Woodhaven Pl. (35.40456, -80.68726)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9921	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Kings Point, FL Palm Beach Co. United States	Poppyseed Cir. / (unknown) (26.43865, -80.14428)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Waipukurau, Hawke’s Bay Central Hawke's Bay New Zealand	Porangahau Rd. / Wellington Rd. / Wallace Rd. / Holyrood Terrace (-39.99884, 176.55576)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Myrtle Beach, SC Horry Co. United States	Porcher Dr. / Poinsett Rd. / Calhoun Rd. (33.72948, -78.83532)	Other Existing	All-Way Yield None	4 Approaches 2 Driveways 44.6978	Other (At-Grade) Single-Lane		No splitter islands. ICD estimated from Google Maps linework.
Mount Pleasant, SC Charleston Co. United States	Porchers Bluff Rd. / Rifle Range Rd. (32.85497, -79.77873)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Auckland, Auckland Auckland New Zealand	Porchester Rd. / Airfield Rd. (-37.03906, 174.93076)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Auckland, Auckland Auckland New Zealand	Porchester Rd. / Manuroa Rd. / Berwyn Ave. (-37.03631, 174.92937)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Auckland, Auckland Auckland New Zealand	Porchester Rd. / Walters Rd. (-37.04820, 174.93530)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bowmanville, ON Durham Canada	Port Darlington Rd. / East Shore Dr. (43.89136, -78.65940)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		No splitter islands.
Port Douglas, QLD Australia	Port Douglas Rd. / Agincourt St. / Ulysses Ave. (-16.52566, 145.46535)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Port Douglas, QLD Douglas Australia	Port Douglas Rd. / Avenue of Palms / Lakeside Ave. (-16.50624, 145.46289)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Port Douglas, QLD Solander Australia	Port Douglas Rd. / Barrier St. / Bale St. (-16.52043, 145.46734)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Port Of Brisbane, QLD Brisbane Australia	Port Dr. / Bulk Terminals Dr. (-27.39049, 153.16368)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bradenton, FL Manatee Co. United States	Port Harbor Pkwy. / (unknown) (27.50403, -82.44259)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019	Striped out inside entry, circulating, and exit lanes for future expansion.
Bradenton, FL Manatee Co. United States	Port Harbor Pkwy. / Mossy Branch Ln. (27.50621, -82.44703)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2019	Striped out inside entry, circulating, and exit lanes for future expansion.
Bradenton, FL Manatee Co. United States	Port Harbor Pkwy. / Whistler Glen / Van Gogh Cove (27.50351, -82.43686)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2440	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019	ICD = 155 ft x 135 ft.
Quinns Rocks, WA Wanneroo Australia	Port Jackson Parade / White Tern Elbow / Scarlet Mews (-31.66229, 115.70037)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rhoose, Wales Vale of Glamorgan United Kingdom	Port Rd. / (business park access) / (hotel access) (51.39920, -3.33228)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whangarei, Northland Whangarei New Zealand	Port Rd. / Dave Culham Dr. (-35.73516, 174.33282)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whangamata, Waikato Thames-Coromandel New Zealand	Port Rd. / Hetherington Rd. / Hunt Rd. (-37.20391, 175.87404)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Jeffersonville, IN Clark Co. United States	Port Rd. / IN-265 WB Ramps (38.34491, -85.70012)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 58.0754	Freeway Ramps (Grade-Separated) Single-Lane	2016	Raindrop shape. ICD estimated from Google Maps linework.
Whangamata, Waikato Thames-Coromandel New Zealand	Port Rd. / Mayfair Ave. (-37.21111, 175.86862)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Whangamata, Waikato Thames-Coromandel New Zealand	Port Rd. / Ocean Rd. (-37.20790, 175.87079)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Single-Lane
Whangarei, Northland Whangarei New Zealand	Port Rd. / Okara Dr. (-35.73697, 174.33245)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Aldinga, SA Onkaparinga Australia	Port Rd. / Old Coach Rd. (-35.26735, 138.48313)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rhoose, Wales Vale of Glamorgan United Kingdom	Port Rd. / Porthkerry Rd. (51.39796, -3.33473)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Pompano Beach, FL Broward Co. United States	Port Royal Blvd. / N Point Royal Blvd. / Port Royal Dr. S (26.20944, -80.10416)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 50.3621	Other (At-Grade) Single-Lane		Functional Class: Local ICD estimated from Google Maps linework.
Salamander Bay, NSW Port Stephens Australia	Port Stephens Dr. / Salamander Way / Soldiers Point Rd. (-32.73485, 152.08390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Raymond Terrace, NSW Port Stephens Australia	Port Stephens St. / William St. (-32.76118, 151.74243)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Toronto, ON Toronto Canada	Port Union Rd. / Bridgend St. (43.77682, -79.13549)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.0447	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
McKinney, TX Collin Co. United States	Port Vale Dr. / Newton Ln. (33.22109, -96.68917)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.8120	Other (At-Grade) Single-lane w/ Traversable Central Island	2016	Painted splitter islands.
St Augustine, FL St. Johns Co. United States	Porta Rosa Cir. / Positano Ave. (29.95621, -81.48724)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2005	Pedestrian crossings next to circulatory roadway.
Newtownards, N. Ireland North Down & Ards United Kingdom	Portaferry Road Roundabout [A20 / Portaferry Rd.] (54.58820, -5.68656)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Council Oak, IN St. Joseph Co. United States	Portage Ave. / Boland Dr. / Ribourde Dr. (41.71519, -86.28152)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7930	Other (At-Grade) Single-Lane	2008	Replaced two offset-T intersections. ICD estimated from Google Maps linework.
South Bend, IN St. Joseph Co. United States	Portage Ave. / Lathrop St. / Highland Cemetery (41.70878, -86.27810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2007-2008).
Pemberton, BC Pemberton Valley Canada	Portage Rd. / Aspen Blvd. (50.32201, -122.80508)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	3 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane
Cupertino, CA Santa Clara Co. United States	Portal Ave. / Wheaton Dr. (37.32445, -122.01964)	Traffic Calming Circle Existing	All-Way Stop None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2002).
Ferndale, WA Whatcom Co. United States	Portal Way / I-5 NB Ramps (48.85836, -122.58613)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3591	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2019	Year Completed estimated (2018-2019). https://myferndalenews.com/mayor-second-roundabout-portal-way-5-scheduled-summer_56179/ ICD estimated from Google Maps linework.
Buffalo, NY Erie Co. United States	Porter Ave. / I-190 NB On-Ramp / Sheridan Terr. (42.89887, -78.89722)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.6213	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Fruitland, MD Wicomico Co. United States	Porter Pkwy. / Lena Ln. (38.31160, -75.60578)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
O'Fallon, IL St. Clair Co. United States	Porter Rd. / Simmons Rd. (38.60258, -89.93231)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.7342	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Indian Trail, NC Union Co. United States	Porter Ridge Campus Dr. / (unknown) (35.09207, -80.57474)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 46.9073	Other (At-Grade) Single-Lane	2006	Entrance to Porter Ridge Middle School. ICD estimated from Google Maps linework.
Wilmington, NC New Hanover Co. United States	Porters Neck Rd. / Edgewater Club Rd. (34.29313, -77.77590)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6413	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Lower Clover Basin, CO Boulder Co. United States	Portico Ln. / Portico Pl. (40.13727, -105.17304)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs.
Burnsville, MN Dakota Co. United States	Portland Ave. / (high school access) (44.78388, -93.26816)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3648	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Burnsville, MN Dakota Co. United States	Portland Ave. / E. Nicollet Blvd. (44.75141, -93.26827)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.9270	Other (At-Grade) Single-Lane	2005	Previously controlled by two-way stop ICD estimated from Google Maps linework.
Joint Base Lewis-McChord, WA Pierce Co. United States	Portland Ave. SW / Boundary St. SW / Camp Murray Gate (47.12106, -122.56300)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.6312	Other (At-Grade) Single-Lane	2012	Open October 2012. ICD estimated from Google Maps linework.
Cameron Park, NSW Lake Macquarie Australia	Portland Dr. / Comel Ave. (-32.91238, 151.60378)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
New Smyrna Beach, FL Volusia Co. United States	Portofino Blvd. / Venetian Palms Blvd. (29.02654, -81.02316)	Unknown Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Clayton, NC Johnston Co. United States	Portofino Dr. / Paraggi Ct. (35.64626, -78.36101)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 36.8808	Other (At-Grade) Single-Lane	2008	No splitter islands. ICD estimated from Google Maps linework.
Kaliningrad, Kaliningrad Kaliningrad Russia	Portovaya ulitsa / Transportnaya ulitsa (54.69353, 20.45827)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Stockton-on-Tees, England Stockton-on-Tees United Kingdom	Portrack Interchange [A1046 (Haverton Hill Rd.) / A1032 (Tees Bridge Approach Rd.)] (54.57864, -1.27457)	Signalized Roundabout/Circle Existing	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Cary, NC Wake Co. United States	Portrait Dr. / (unknown) (35.79986, -78.79715)	Other Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 30.9977	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Coleraine, N. Ireland Causeway Coast & Glens United Kingdom	Portrush Road Roundabout [A29 (Atlantic Rd. - Ring Rd.) / Atlantic Rd. / Ring Rd.] (55.15611, -6.66416)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Stratham, NH Rockingham Co. United States	Portsmouth Ave. / College Rd. (43.02268, -70.91644)	Rotary Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 114.3832	Other (At-Grade) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Cobham, England Surrey United Kingdom	Portsmouth Rd. / A3 Ramps (51.33481, -0.42774)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
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.
Stockport, England Greater Manchester United Kingdom	Portwood Roundabout: A560 (Great Portwood St.) / A626 (St. Marys Way) / B6104 (Carrington Rd.) / Tiviot Way / Hamilton Rd. M60 Ramps (53.41632, -2.14879)	Signalized Roundabout/Circle Existing	Signal Unknown	7 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Bryansk, Bryansk Bryansk Russia	poselok Aeroflot SNT / (unknown) (53.26393, 34.34827)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Bryansk, Bryansk Bryansk Russia	poselok Zarechnoye SNT / (unknown) (53.23651, 34.38958)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Quogue, NY Suffolk Co. United States	Post Ln. / Niamogue Ln. (40.81284, -72.59672)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane		Circle with roundabout features.
Westlake, TX Tarrant Co. United States	Post Oak Pl. / High Country Dr. (32.97768, -97.19130)	Other Existing	Uncontrolled None	3 Approaches 1 Driveways 32.0037	Other (At-Grade) Single-Lane	2003	Residential Subdivision.
Marietta, GA Cobb Co. United States	Post Oak Tritt Rd. / Hembree Rd. (34.01244, -84.45950)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2020	https://mailchi.mp/5d5027d112e4/traffic-alert-new-roundabout-now-in-operation
Princeton Junction, NJ Mercer Co. United States	Post Rd. / Alexander Rd. (40.31186, -74.62854)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.1429	Other (At-Grade) Single-Lane	2009	Previously controlled by one-way stop ICD estimated from Google Maps linework.
Warwick, RI Kent Co. United States	Post Rd. / Centerville Rd. / Greenwich Ave. (41.69875, -71.46003)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.3195	Unknown Single-Lane	2017	NOT YET CONSTRUCTED - Coming in spring 2017. Construction work has started at this location, currently in winter (2016-2017) shutdown. Note new configuration as Centerville Road on the west side has been cuttoff - can no longer access Toll Gate Road from here. Mapping not yet updated. ICD estimated from Google Maps linework.
Village of Plover, WI Portage Co. United States	Post Rd. / Maple Dr. (44.45007, -89.54382)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.3982	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Warwick, RI Kent Co. United States	Post Rd. / W. Shore Rd. (41.69980, -71.45348)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.6694	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	New tear-drop roundabout. Only one approach (eb) has to yield. the WB approach is a free merge. Post Road (on west side of roundabout) is EB only. Fully operational - opened in fall 2016. Post Rod (SB) was previously 4 lanes NB only, now 2 lanes in each direction. ICD estimated from Google Maps linework.
Eersel, North Brabant Eersel Netherlands	Postelseweg / Duizelweg / Dalemsedijk (51.36050, 5.30414)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.8643	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Eersel, North Brabant Eersel Netherlands	Postelseweg / Laaghuizerweg (51.35510, 5.30702)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.3755	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Nettetal, North Rhine-Westphalia Viersen Germany	Poststraße / Juiser Feld (51.32776, 6.19665)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Woodbridge, VA Prince William Co. United States	Potomac Branch Dr. / Oberlin Dr. / Barkham Dr. / Weeburn Way / Cadbury Way (38.63114, -77.28082)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Triangle, VA Prince William Co. United States	Potomac Crest Dr. / Lady Catherine Cir. (38.53672, -77.31500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9607	Other (At-Grade) Single-Lane	2006	Functional Class: Local 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.
Bonn, North Rhine-Westphalia Bonn Germany	Potsdamer Platz (50.74297, 7.07777)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 98.2503	Other (At-Grade) Multilane (2 Lane, unspecified)		Requires lane changing for some movements. ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	Potter St. / N 110th Ave. (41.32809, -96.08515)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005).
Bennington, NE Douglas Co. United States	Potter St. / Sheffield Dr. / N 155th Ave. (41.32832, -96.15678)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.1123	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Westhampton Beach, NY Suffolk Co. United States	Potunk Ln. / Oak St. / School St. / Brook Rd. / Mill Rd. (40.81412, -72.64636)	Roundabout Existing	All-Way Yield None	6 Approaches 0 Driveways 39.7720	Other (At-Grade) Single-Lane	2006	Oval shape. ICD estimated from Google Maps linework.
Omaha, NE Douglas Co. United States	Potwin St. / S 135th St. (41.20792, -96.12274)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.5497	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	Poudre River Rd. / N 81st Ave. (40.44028, -104.80740)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005-2006).
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.