Roundabouts Database Index

29483 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
Naples, Campania Naples Italy	Via Provinciale Montagna Spaccata / Via Domenico Padula / Via Vicinale Pignatiello (40.84904, 14.17988)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lincoln, NE Lancaster Co. United States	N 66th St. / Fremont St. (40.84863, -96.63043)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2018	Year Completed estimated (2018-2019).
Naples, Campania Naples Italy	Via Provinciale Montagna Spaccata / Via Vicinale Cupa Cintia (40.84712, 14.18385)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Southampton, NY Suffolk Co. United States	Collins Way / Roger's Way (40.84344, -72.64335)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.3684	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 1st St. / Adams St. / Laramie Trl. (40.84335, -96.72015)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.5264	Other (At-Grade) Single-Lane	2013	Replaced offset T-intersections. Previously controlled by two-way stop 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.
Eastport, NY Suffolk Co. United States	Hamptons Court Dr W / Hamptons Court Dr. E (40.84068, -72.73421)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Porto Torres, Sardinia Sassari Italy	Via Mare / (parking) (40.83966, 8.40175)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Porto Torres, Sardinia Sassari Italy	Molo di Ponente / (parking) (40.83964, 8.39357)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Lincoln, NE Lancaster Co. United States	Windmill Dr. / N 83rd St. (40.83957, -96.60736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2008	Right-turn bypass lane.
Porto Torres, Sardinia Sassari Italy	E25 / (unknown) / (parking) (40.83956, 8.39703)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Lincoln, NE Lancaster Co. United States	85th St. / Windmill Dr. (40.83941, -96.60414)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7212	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Porto Torres, Sardinia Sassari Italy	Molo di Ponente / (unknown) (40.83919, 8.39456)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
New York City, NY Bronx Co. United States	Metropolitan Oval (40.83831, -73.85983)	Other Existing	All-Way Yield Pedestrian Signal (red-yellow-green to drivers)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		Pedestrian access to central island; parking along circulatory roadway.
Porto Torres, Sardinia Sassari Italy	E25 / Via Amerigo Vespucci (40.83773, 8.38802)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
North Salt Lake, UT Davis Co. United States	Eagle Ridge Dr. / S. Orchard Dr. (40.83741, -111.91130)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7221	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Naples, Campania Naples Italy	Via Agnano Astroni / A56 Ramps (40.83651, 14.16047)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Porto Torres, Sardinia Sassari Italy	E25 / SP34 (40.83486, 8.38836)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
North Salt Lake, UT Davis Co. United States	Orchard Dr. / E Eaglegate Dr. (40.83459, -111.91224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2011	Crosswalks next to circulatory roadway. Year Completed estimated (2010-2011).
Lincoln, NE Lancaster Co. United States	N 86th St. / Garland St. (40.83451, -96.60401)	Other Existing	Uncontrolled None	4 Approaches 0 Driveways 33.8325	Other (At-Grade) Single-Lane	2007	West leg stubbed.
Chillicothe, IL Peoria Co. United States	N Old Galena Rd. / N State St. (40.83312, -89.56268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 56.3880	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2015	Merging right-turn bypass lane on north leg. Year Completed estimated (2013-2016).
Parkchester, NY Bronx Co. United States	Westchester Ave. / 177th St. / Virginia Ave. (40.83312, -73.86097)	Signalized Roundabout/Circle Existing	Signal Unknown	6 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Lincoln, NE Lancaster Co. United States	N 49th St. / Francis St. (40.83137, -96.65235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.7845	Other (At-Grade) Single-Lane	2001	ICD estimated from Google Maps linework.
Porto Torres, Sardinia Sassari Italy	SP34 / Via Fratelli Vivaldi (40.83029, 8.38154)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Canton, OH Stark Co. United States	Harrisburg Rd. NE / 30th St. NE / (unknown) (40.82993, -81.34759)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2019	Intersection moved about 100 feet south. Year Completed estimated (2019-2020).
Smithtown, NY Suffolk Co. United States	Redan Dr. / Raynors Way (40.82879, -73.21520)	Other Unknown	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Rutherford, NJ Bergen Co. United States	Park Ave. / Erie Ave. (40.82835, -74.10118)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.0152	Other (At-Grade) Single-Lane	2004	Reconstructed as roundabout in 2004? ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	W Holdrege St. / W Chitwood Ln. (40.82831, -96.78397)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2022	Elliptical shaped. ICD = 105 ft x 90 ft. South leg stubbed. Year Completed estimated (2021-2023).
Lincoln, NE Lancaster Co. United States	W Holdrege St. / NW 50th St. (40.82822, -96.78975)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2022).
Lincoln, NE Lancaster Co. United States	W Holdrege St. / W Partridge Ln. (40.82819, -96.79292)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Year Completed estimated (2021-2022).
Lincoln, NE Lancaster Co. United States	Holdrege St. / Cedar Cove Rd. (40.82790, -96.59731)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Cedar Cove was previously a gravel road with no stop sign. Year Completed estimated (2021-2022).
Peoria, IL Peoria Co. United States	W Hickory Grove Rd. / N Allen Rd. (40.82776, -89.63078)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7266	Other (At-Grade) Single-Lane	2013	https://www.pjstar.com/photogallery/IP/20121120/PHOTOGALLERY/311209886/PH/1 . ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Holdrege St. / N 104th St. (40.82767, -96.57822)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.lincoln.ne.gov/City/Departments/LTU/LTU-Projects/LOTM/Projects/Growth/104th-and-Holdrege
Shirley, NY Suffolk Co. United States	Lockwood Dr. / (unknown) (40.82729, -72.87614)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.8231	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Porto Torres, Sardinia Sassari Italy	Via dei Corbezzoli / Via Libero Grassi (40.82608, 8.41952)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Right-turn bypass lane on south leg.
Lincoln, NE Lancaster Co. United States	N 9th St. / Salt Creek Pkwy / Stadium St. (40.82225, -96.70757)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.0937	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	N 8th St. / 9th St. (40.82169, -96.70866)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.7674	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
New York, NY Bronx Co. United States	Intervale Ave. / Dawson St. (40.82030, -73.89698)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2015	Previous intersection was a two-way street with one-way street going away. First roundabout in New York City.
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.
Pleasant Dale, NE Seward Co. United States	US 6-NE 2 / NE 103 (40.81385, -96.92977)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2012
Peoria, IL Peoria Co. United States	N Allen Rd. / W Alta Rd. (40.81311, -89.63103)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.7334	Other (At-Grade) Single-Lane	2015	Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework.
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.
Peoria, IL Peoria Co. United States	Grange Hall Rd. / Radnor Rd. (40.81267, -89.64974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2019).
Lincoln, NE Lancaster Co. United States	S 90th St. / Red Sky Ln. (40.81189, -96.59797)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Harmony, PA Butler Co. United States	Little Creek Rd. / Mercer Rd. (40.81106, -80.12356)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2023	Year Completed estimated (2022-2023).
Westhampton Beach, NY Suffolk Co. United States	Main St. / Mill Rd. / Library Ave. (40.81013, -72.64144)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2020	Library Ave is one-way exit to the south. Year Completed estimated (2019-2020). https://www.danspapers.com/2018/07/big-plans-for-whbs-main-street/
Canton, OH Stark Co. United States	Mahoning Rd. NE / Belden Ave. NE / Harrisburg Rd. NE (40.80923, -81.34959)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.cantonrep.com/news/20200508/mahoning-road-work-rounds-corner
Canton, OH Stark Co. United States	12th St. NE / Maple Ave. NE / The O'Jays Pkwy (40.80858, -81.35463)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.8713	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Westhampton Beach, NY Suffolk Co. United States	Potunk Ln. / Main St. (40.80814, -72.64700)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2019	https://www.danspapers.com/2018/07/big-plans-for-whbs-main-street/
East Hanover, NJ Morris Co. United States	Health Plaza / (unknown) (40.80689, -74.39206)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Lane change required to exit from left entry lane on west leg. Year Completed estimated (2010-2012).
Gyumri, Shirak Armenia	M1 (Garegin Nzhdehi poghota - Vazgen Sargsyani poghots) / Khandzhyana ulitsa / Manushyan poghots (40.80661, 43.84815)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Lincoln, NE Lancaster Co. United States	S 11th St. / D St. (40.80254, -96.70560)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 18.9854	Other (At-Grade) Single-lane w/ Traversable Central Island	2013	ICD estimated from Google Maps linework.
Port Matilda, PA Centre Co. United States	Grays Woods Blvd. / Hunter Wood Way / Brackenbourne Dr. (40.80208, -77.95969)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1994-2005).
North Bergen, NJ Hudson Co. United States	Riverview Dr. / Broad Dr. (40.80071, -74.00218)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Parking along circulatory roadway.
Burlington, IA Des Moines Co. United States	West Ave. / W Burlington Ave. (40.80061, -91.15269)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.0678	Other (At-Grade) Single-Lane	2017	Merging right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
New York City, NY New York Co. United States	W 110th St. / Central Park West / Frederick Douglass Blvd. / West St. (40.80058, -73.95821)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)
Lincoln, NE Lancaster Co. United States	S Coddington Ave. / W A St. (40.79914, -96.74940)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Yield-controlled right-turn bypass lanes on north and south legs. Add-lane right-turn bypass lane on east leg. Designed for future expansion to 2x2 configuration. Year Completed estimated (2022-2023).
Lincoln, NE Lancaster Co. United States	W A St. / S Folsom St. (40.79911, -96.73022)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2022	https://www.lincoln.ne.gov/City/Departments/LTU/LTU-Projects/Projects/West-A-Street-Improvement-Project (video shows the roundabout at about 1:45)
Lincoln, NE Lancaster Co. United States	A St. / S 89th St. (40.79883, -96.59931)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2021
Lincoln, NE Lancaster Co. United States	A St. / S 94th St. (40.79880, -96.59348)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021
Morristown, NJ Morris Co. United States	Morris St. / Spring St. (40.79761, -74.47800)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://nj1015.com/hows-the-new-circle-in-morristown-nj-youd-be-surprised/
Spring Mills, PA Centre Co. United States	Skyview Dr. / Old US 322 / US 322 (General Potter Hwy.) WB Ramps (40.79607, -77.63165)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2020
Ferguson, PA Centre Co. United States	Havershire Blvd. / Prestwick Blvd. (40.78873, -77.89571)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2015).
Great Neck, NY Nassau Co. United States	Barstow Rd. / South Station Pl. (40.78735, -73.72462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.6068	Other (At-Grade) Single-Lane	2003	High pedestrian activitiy associated with commuter rail station below the roundabout. ICD estimated from Google Maps linework.
New York City, NY New York Co. United States	W 79th St. / Henry Hudson Pkwy. SB Ramps (40.78573, -73.98446)	Other Existing	All-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Lincoln, NE Lancaster Co. United States	S Coddington Ave. / W Van Dorn St. (40.78450, -96.74937)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 125.6993	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Van Dorn St. / S 87th St. (40.78424, -96.60261)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2020-2021).
Lincoln, NE Lancaster Co. United States	Van Dorn St. / S 91st St. / Big Timber Rd. (40.78422, -96.59548)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2020
Ferguson Township, PA Centre Co. United States	Old Gatesburg Rd. / Pine Hall Rd. (40.78030, -77.89010)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.4617	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S 33rd St. / Sheridan Blvd. (40.78020, -96.67281)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9836	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Kings Hwy. / Grimsby Ln. (40.78011, -96.69413)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	1926
Lincoln, NE Lancaster Co. United States	E Pershing Rd. / Kings Hwy. (40.78010, -96.69289)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 24.3840	Other (At-Grade) Single-Lane	1926
Lincoln, NE Lancaster Co. United States	S. 40th St. / Sheridan Blvd. (40.77862, -96.66332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3669	Other (At-Grade) Single-Lane	2004	Completed August 2004. Functional Class: Arterial ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S Pershing Rd. / Grimsby Ln. (40.77786, -96.69414)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 24.9936	Other (At-Grade) Single-Lane	1926
Lincoln, NE Lancaster Co. United States	S Pershing Rd. / E Pershing Rd. (40.77781, -96.69291)	Other Existing	Uncontrolled None	2 Approaches 2 Driveways 25.6032	Other (At-Grade) Single-Lane	1926
Beaver Falls, PA Beaver Co. United States	College Ave. / 31st St. / Moss Alley (40.77170, -80.32230)	Other Existing	All-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Unknown		Parking along circulatory roadway.
Logansport, IN Cass Co. United States	Chase Rd. / Davis Rd. / E Perrysburg Rd. (40.77079, -86.33787)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.1799	Other (At-Grade) Single-Lane	2014	Year completed estimated (2012-2014). ICD estimated from Google Maps linework.
East Elmhurst, NY Queens Co. United States	Ditmars Blvd. / 23rd Ave. / 102nd St. (40.76926, -73.86911)	Other Existing	Other Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, unspecified)		Elliptical shaped. Mix of stop-controlled entries and stop-controlled circulatory roadway.
Salt Lake City, UT Salt Lake Co. United States	Wasatch Dr. / (university parking) (40.76877, -111.84068)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2019). Replaced turnaround for on-street parking.
New York, NY Manhattan Co. United States	Columbus Circle (7th Ave. / Broadway / Central Park West / Central Park South) (40.76808, -73.98187)	Signalized Roundabout/Circle Existing	Signal None	5 Approaches 0 Driveways 123.0168	Other (At-Grade) Multilane (3+ Lane)	1905	ICD estimated from Google Maps linework.
Patchogue, NY Suffolk Co. United States	Waverly Ave. / Holbrook Rd. (40.76705, -73.02555)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.1365	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Patchogue, NY Suffolk Co. United States	Holbrook Rd. / Lake St. (40.76695, -73.01946)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2020	Replaces triangle-shaped intersection with stop and yield control. https://www.suffolkcountynews.net/stories/lake-street-west-avenue-traffic-circle-to-open,86421
Secaucus, NJ Hudson Co. United States	Brianna Ln. / Riverside Station Blvd. (40.76611, -74.08389)	Other Existing	Unknown Unknown	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands on east and west legs.
Lincoln, NE Lancaster Co. United States	S 16th St. / Center Park Rd. (40.76600, -96.69918)	Other Existing	All-Way Yield None	3 Approaches 1 Driveways 68.7468	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	80th St. / Preserve Ln. (40.76543, -96.61143)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 28.9463	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	69th St. / Forest Lake Blvd. (40.76293, -96.62640)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 23.5197	Other (At-Grade) Single-Lane	1992	ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	Augusta Dr. / Glenneagle Ct. (40.76271, -96.60008)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 34.1373	Other (At-Grade) Single-Lane	2000	No splitter islands. Northeast leg stubbed. Driveway removed and southeast leg added in 2021.
Lincoln, NE Lancaster Co. United States	Glynoaks Dr. / Keogh St. (40.76208, -96.60851)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 19.9016	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Salt Lake City, UT Salt Lake Co. United States	Campus Center Dr. / (parking) (40.76148, -111.84247)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2018	On college campus of University of Utah. Year Completed estimated (2017-2018).
Lincoln, NE Lancaster Co. United States	Augusta Dr. / Troon Dr. (40.76126, -96.60395)	Other Existing	All-Way Yield None	3 Approaches 2 Driveways 34.1373	Other (At-Grade) Single-Lane	2000	No splitter islands on south or east legs. Clear evidence in aerial photo of U-turns in front of central island. Driveways added in 2014.
Salt Lake City, UT Salt Lake Co. United States	South Campus Dr. / Center Campus Dr. (40.75968, -111.84490)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling all approaches)	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2003	Light rail runs through center of roundabout. Gates on both circulatory roadway and on east and west approaches.
Lincoln, NE Lancaster Co. United States	S 93rd Pl. / Medinah Dr. (40.75693, -96.59438)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 34.4421	Other (At-Grade) Single-Lane	2006	No splitter island on west leg.
Park City, UT Summit Co. United States	Rasmussen Rd. / Jeremy Rd. / Jeremy Ranch Rd. (40.75569, -111.57350)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 25.3317	Other (At-Grade) Single-Lane	2007	This roundabout was reconfigured as part of the Jeremy Ranch Roundabouts project. Formerly it had a driveway to a park-and-ride lot. Jeremy Ranch Rd is a new approach to this intersection and the eastern approach on Rasmussen Dr was closed. https://www.summitcounty.org/1005/Email-Updates ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S 98th St. / Old Cheney Rd. (40.75518, -96.58708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.0450	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	N Taft Hill Rd. / CR 70 / CR 19 (40.75500, -105.11504)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 37.0933	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Park City, UT Summit Co. United States	Homestead Rd. / Rasmussen Rd. / I-80 WB Ramps (40.75488, -111.57172)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 83.2338	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	https://www.deseret.com/utah/2019/11/26/20983915/around-and-around-new-roundabouts-at-i-80-jeremy-ranch-interchange-now-open ICD estimated from Google Maps linework.
Lincoln, NE Lancaster Co. United States	S Folsom St. / W Palm Canyon St. (40.75232, -96.73030)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2022	Striped out shoulder on right side of north and south entries. https://www.lincoln.ne.gov/City/Departments/LTU/LTU-Projects/LOTM/Projects/Growth/Folsom-at-Old-Cheney
Park City, UT Summit Co. United States	Homestead Rd. / Kilby Rd. / I-80 EB Off-ramp (40.75223, -111.57247)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 88.6656	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2019	https://www.deseret.com/utah/2019/11/26/20983915/around-and-around-new-roundabouts-at-i-80-jeremy-ranch-interchange-now-open ICD estimated from Google Maps linework.
Summit Park, UT Summit Co. United States	Gorgoza Pines Rd. / (parking) (40.75044, -111.57153)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0520	Other (At-Grade) Single-Lane	2003	No splitter islands. Year Completed estimated (2002-2004).
Kearney, NE Buffalo Co. United States	NE 10 / NE 40 / 2nd Ave. (40.75020, -99.08358)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 58.8106	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.