Roundabouts Database Index

29867 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.

City, State County Country	Intersection (Lat, Lng)	Type Status	Control Type / Other Control Type	Approaches / Driveways / ICD (m)	Functional Class / LaneType	Year Completed	Comments
Verdun, Grand Est Meuse France	D603 (Avenue du Colonel Driant) / Rue Jean Bouin / (parking) (49.16744, 5.38493)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Verdun, Grand Est Meuse France	Rond-Point des États-Unis (49.16522, 5.38161)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Verdun, Grand Est Meuse France	D603 / Place Maurice Genevoix / Rue Général Nivelle (49.16429, 5.37955)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Raindrop shaped.
Verdun, Grand Est Meuse France	D603 / Rue Saint-Exupéry (49.16285, 5.37595)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Verdun, Grand Est Meuse France	Rue de Cumières / Rue Pierre Demathieu (49.16251, 5.37603)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Thierville-sur-Meuse, Grand Est Meuse France	Carrefour du Souvenir Français (D603 / D38) (49.16377, 5.37136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Thierville-sur-Meuse, Grand Est Meuse France	Place Relais de Poste (D38 / Rue Niel) (49.16400, 5.36631)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Long oval shaped. Pedestrian crossing through central island.
Verdun, Grand Est Meuse France	D225 / Rue Marius Pothier (49.15867, 5.36407)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Verdun, Grand Est Meuse France	D225 / Rue de la Scance (49.15841, 5.36363)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Lesménils, Grand Est Meurthe-et-Moselle France	D910 (Route Nationale) / E23-A31 NB Ramps / D42B / (unknown) (48.93692, 6.11401)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 50.9952	Freeway Ramps (Grade-Separated) Single-Lane		Elliptical shape. ICD estimated from Google Maps linework.
Lesménils, Grand Est Meurthe-et-Moselle France	D910 (Route Nationale) / D910a / Rue de la Louvière (48.93268, 6.10800)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.1535	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Atton, Grand Est Meurthe-et-Moselle France	D120 (Rue de Nomeny) / Rue Frédéric Mansuy / Rue Pierre Adt (48.88896, 6.11298)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 59.6825	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Custines, Grand Est Meurthe-et-Moselle France	D90 / Chemin de Custines à Marbache / Boulevard de Finlande (48.78804, 6.13848)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.2620	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Custines, Grand Est Meurthe-et-Moselle France	Place de la Libération (D90 / D40 / D44D) (48.79005, 6.14294)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.0476	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Custines, Grand Est Meurthe-et-Moselle France	D40C / E21-A31 NB Ramps (48.77714, 6.14540)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.0101	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Custines, Grand Est Meurthe-et-Moselle France	D40C / E21-A31 SB Ramps (48.77513, 6.14304)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 50.3732	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Frouard, Grand Est Meurthe-et-Moselle France	Boulevard de la Moselle / Rue du Ban la Dame / Rue du Train à Fil (48.77509, 6.13770)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 47.2249	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Pompey, Grand Est Meurthe-et-Moselle France	Boulevard de la Moselle / Rue Leonardo da Vinci (48.77537, 6.13484)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.3348	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Frouard, Grand Est Meurthe-et-Moselle France	D40E / Rue du Train à Fil (48.77275, 6.13630)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.7620	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Frouard, Grand Est Meurthe-et-Moselle France	D40E (Rue du Ban la Dame) / (unknown) (48.77077, 6.13537)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.7631	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Pompey, Grand Est Meurthe-et-Moselle France	Boulevard de la Moselle / Rue des Quatre Élèments (48.77235, 6.13232)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 31.4850	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Frouard, Grand Est Meurthe-et-Moselle France	D40E / Rue de l'Embanie (48.76223, 6.14090)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.9168	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Frouard, Grand Est Meurthe-et-Moselle France	D657 / Rue du Saule Gaillard / E21-E23-A31 SB Ramps (48.74544, 6.15166)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 77.1796	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Delta, BC Metro Vancouver Canada	82nd Ave. / 116th St. (49.15220, -122.90150)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0911	Other (At-Grade) Unknown	2005	ICD estimated from Google Maps linework.
Manila, National Capital Region Metro Manila Philippines	AH26 (Bonifacio Dr) / Andres Soriano Jr. St / Roberto S. Oca Sr. St (14.59084, 120.97090)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Pasay, National Capital Region Metro Manila Philippines	Globe Rotunda [J.W. Diokno Blvd. / EDSA Extension] (14.53531, 120.98425)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Grand Junction, CO Mesa Co. United States	Aviators Way / Eagle Dr. (39.11972, -108.52625)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2011).
Grand Junction, CO Mesa Co. United States	Falcon Way / Sunstrand Way (39.12315, -108.53169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2011).
Grand Junction, CO Mesa Co. United States	Park Dr. / Meander Dr. / Meander Ct. (39.09085, -108.57322)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2006-2011).
Grand Junction, CO Mesa Co. United States	Independent Ave. / Sams Club entrance (39.08170, -108.58310)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 33.3754	Other (At-Grade) Single-Lane	2003	Serves commercial development parking lot. ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Colorado Ave. / S. 2nd St. (39.06636, -108.56950)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 25.9643	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	G Rd. / 25th Rd. (39.10636, -108.58940)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 30.5834	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	G Rd. / 24 1 / 2 Rd. (39.10635, -108.59870)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 34.2905	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	24 Rd. / I-70 WB Ramps (39.11454, -108.60820)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.7732	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	24 Rd. / I-70 EB Ramps (39.11333, -108.60820)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.0672	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Fruita, CO Mesa Co. United States	Aspen Ave. / Mesa St. (Park Square) (39.15884, -108.73360)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 77.7908	Other (At-Grade) Unknown		Completed 1940? ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / 12th St. (39.10165, -108.55234)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 39.6240	Other (At-Grade) Single-Lane	1998	Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout.
Grand Junction, CO Mesa Co. United States	Main St. / 7th St. (39.06731, -108.56104)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.8912	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / H Rd. / Eagle Dr. (39.11827, -108.52976)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.2299	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2006-2011). Slight elliptical shape. Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Fruita, CO Mesa Co. United States	CO-340 / I-70 EB Ramps / I-70 Frontage Rd. (39.15470, -108.73769)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 40.7499	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Fruita, CO Mesa Co. United States	CO-340 / Raptor Rd. (39.15351, -108.73813)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2337	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	G Rd. / 23rd Rd. (39.10632, -108.62669)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2011	Specifically designed for over-length, WB-110 trucks.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / I-70 WB Ramps (39.11215, -108.53938)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.0415	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / I-70 EB Ramps / Horizon 70 Ct. (39.11140, -108.54051)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0420	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Broadway / Redlands Pkwy. (39.07812, -108.63467)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.7214	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Grand Ave. / N 1st St. / SR 340 (Broadway) / I-70 Business Loop (39.07031, -108.57097)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2022	https://www.codot.gov/news/2021/august-2021/1st-street-roundabout-project-enters-new-phase
Grand Junction, CO Mesa Co. United States	24 Rd. / G Rd. (39.10637, -108.60819)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023	https://www.westernslopenow.com/news/local-news/the-artist-for-the-24-rd-roundabout-is-picked/
Grand Junction, CO Mesa Co. United States	Main St. / N 13th St. / S 13th St. (39.06731, -108.55072)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	https://www.gjsentinel.com/news/western_colorado/mini-roundabout-installed-at-13th-and-main/article_bbcc8188-a4fb-11ee-bc44-b755269e8d08.html
Tarbock, England Merseyside United Kingdom	Tarbock Roundabout: M57 Ramps / M62 Ramps / A5080 (Tarbock Rd. / Cronton Rd.) / Windy Arbor Rd. (53.39830, -2.80852)	Other Existing	Other None	7 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Mix of signals and yields.
Haydock, England Merseyside United Kingdom	A58 (Stanley Bank Way) / A599 (Vicarage Rd.) / Stanley Bank Farm (53.47029, -2.69306)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sutton, England Merseyside United Kingdom	A569 (Scorecross - Marshalls Cross Rd.) / Marshalls Cross Rd. (53.43679, -2.72284)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Sutton, England Merseyside United Kingdom	Marshalls Cross Rd. / Robins Ln. (53.43755, -2.72172)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Clock Face, England Merseyside United Kingdom	A569 (Marshalls Cross Rd.) / B5204 (Mill Ln.) (53.42619, -2.72412)	Roundabout Removed	Signal None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Rainhill, England Merseyside United Kingdom	Rainhill Stoops Interchange: A57 (Warrington Rd.) / A557 (Watkinson Way) / A570 (James Roby Way) / M62 Ramps (53.40340, -2.74570)	Signalized Roundabout/Circle Existing	Signal None	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Newton-Le-Willows, England Merseyside United Kingdom	A573 (Parkside Link Rd. - Parkside Rd.) / (unknown) / (unknown) (53.44828, -2.58888)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2023
Newton-Le-Willows, England Merseyside United Kingdom	Haydock Island: M6 Ramps / A49 (E Lancashire Rd.) / A580 (E Lancashire Rd.) / Lodge Ln. (53.47125, -2.63370)	Other Existing	Signal Pedestrian Signal (red-yellow-green to drivers)	6 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Hamburger shaped.
St Helens, England Merseyside United Kingdom	Peasley Cross: A58 (Parr St. - Linkway E) / Parr St. / Peasley Cross Ln. (53.45175, -2.72752)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
St Helens, England Merseyside United Kingdom	The Landings: A571 (King St. - College St.) / Duke St. / North Rd. / Baldwin St. (53.45518, -2.73908)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
St Helens, England Merseyside United Kingdom	College St. / Corporation St. (53.45532, -2.73826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2+ lanes) w/ Traversable Central Island
Halewood, England Merseyside United Kingdom	Newstead Farm Interchange: A5300 / A562 Ramps (53.35991, -2.78931)	Signalized Roundabout/Circle Existing	Signal Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)		Oval shaped.
Halewood, England Merseyside United Kingdom	Newstead Rd. / Loveis Way (53.35835, -2.78791)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
St Helens, England Merseyside United Kingdom	Mossborough Island: A570 (Rainford Bypass) / B5203 (Mossborough Rd.) (53.49421, -2.78948)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Concord, NH Merrimack Co. United States	US 4 (Old Boyce Rd.) / Whitney Rd. / Hoit Rd. (43.28906, -71.58169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.concordmonitor.com/A-Canterbury-homeowner-enjoys-the-storm-before-the-calm-47736538
Concord, NH Merrimack Co. United States	Whitney Rd. / Merchants Way (43.28791, -71.58083)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.concordmonitor.com/Exit-17-rotary-landscaped-by-local-nursery-City-Council-accepts-donations-for-project-48392448
Concord, NH Merrimack Co. United States	W Portsmouth St. / Mountain Rd. / Shawmut St. / East Side Dr. (43.23702, -71.53564)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.5834	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Warner, NH Merrimack Co. United States	Rte 103 / (shopping center parking) / (service station) (43.28882, -71.83340)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5582	Other (At-Grade) Single-Lane	2016	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	Manor Rd. / Abbott Rd. (43.26422, -71.57349)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0040	Other (At-Grade) Single-Lane	2018	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf
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.
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.
Epsom, NH Merrimack Co. United States	US 4-US 202 (Dover Rd.) / Rte 28 (Suncock Valley Hwy.) (43.22784, -71.36053)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 91.4400	Other (At-Grade) Single-Lane	1940	Elliptical shaped. ICD = 300 ft x 260 ft.
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.
Pennington, NJ Mercer Co. United States	Rte. 31 / Blackwell Rd. / Pennington Rd. / Washington Crossing Pennington Rd. (40.30818, -74.78666)	Rotary Existing	Other Unknown	5 Approaches 0 Driveways 216.4080	Other (At-Grade) Multilane (2 Lane, 2x1 max)		Circulating traffic yields to entering traffic on northwest and south legs. ICD = 710 ft x 360 ft.
Princeton, NJ Mercer Co. United States	Faculty Rd. / Elm Dr. (40.33888, -74.65523)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 28.2209	Other (At-Grade) Single-Lane	2001	This roundabout is on University owned roads open to the public. There is a second roundabout similar in dimensions upstream on Elm Drive. Close to an at-grade rail crossing. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Trenton, NJ Mercer Co. United States	Brunswick Circle (Brunswick Ave. / Lawrenceville Rd. / Stawberry St.) (40.24528, -74.74283)	Rotary Existing	Other Unknown	5 Approaches 0 Driveways 107.5704	Unknown Multilane (2 Lane, unspecified)		Vehicles in circulatory roadway must yield to the northeast entry. ICD estimated from Google Maps linework.
Lawrence Township, NJ Mercer Co. United States	Brunswick Ave. / Whitehead Rd. (40.25231, -74.73373)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.4608	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Replaced jughandle intersection. ICD estimated from Google Maps linework.
Ewing, NJ Mercer Co. United States	River Rd. (NJ-29) / I-295 NB Ramps (40.25833, -74.84415)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.1033	Freeway Ramps (Grade-Separated) Single-Lane	2018	ICD estimated from Google Maps linework.
Hamilton Township, NJ Mercer Co. United States	S Broad St. / White Horse Ave. / Bordentown Rd. / Pearson Dr. (40.18820, -74.70483)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9696	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Rebuilt from a rather confusing traffic circle. ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Alexander St. / University Pl. (40.34305, -74.66085)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.0398	Other (At-Grade) Single-Lane	2014	Bike sharrows and parking cutouts on one leg. ICD estimated from Google Maps linework.
Princeton, NJ Mercer Co. United States	Elm Dr. / South Dr. (40.34078, -74.65595)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 1 Driveways 29.1305	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1997-2002). ICD estimated from Google Maps linework.
Sharon, PA Mercer Co. United States	Connelly Blvd. / Dock St. (41.23144, -80.50617)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signal/Beacon	4 Approaches 1 Driveways 44.9099	Other (At-Grade) Single-Lane	2018	Near railroad crossing with flashing lights but no gates. ICD estimated from Google Maps linework.
West Windsor Township, NJ Mercer Co. United States	Bear Brook Rd. / Old Bear Brook Rd. / (apartment access) (40.31392, -74.63549)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.1420	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Ewing, NJ Mercer Co. United States	River Rd. / I-295 SB Ramps (40.26135, -74.84579)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.8357	Freeway Ramps (Grade-Separated) Single-Lane	2019	Part of the Scudder Falls Bridge Replacement Project. ICD estimated from Google Maps linework.
Hermitage, PA Mercer Co. United States	US 62 (Shenango Valley Fwy. - E State St.) / State St. / (parking) (41.23332, -80.44539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.wkbn.com/news/local-news/new-hermitage-roundabout-reopens-to-all-traffic-wednesday/
Reynolds Heights, PA Mercer Co. United States	Circle Dr. (41.33940, -80.39904)	Other Existing	Unknown Unknown	2 Approaches 4 Driveways 0.0000	Other (At-Grade) Unknown
Reynolds Heights, PA Mercer Co. United States	Circle Dr. (41.34065, -80.39997)	Other Existing	Unknown Unknown	2 Approaches 4 Driveways 0.0000	Other (At-Grade) Unknown
Reynolds Heights, PA Mercer Co. United States	Circle Dr. (41.34188, -80.40116)	Other Existing	Unknown Unknown	2 Approaches 4 Driveways 0.0000	Other (At-Grade) Unknown
Farrell, PA Mercer Co. United States	Park Ave. / Shenango Blvd. (41.21390, -80.48867)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Farrell, PA Mercer Co. United States	Park Ave. / Buhl Terrace (41.21293, -80.48864)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Farrell, PA Mercer Co. United States	Park Ave. / Farrell Terrace (41.21112, -80.48861)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
Princeton, NJ Mercer Co. United States	Rosedale Rd. / General Johnson Dr. (40.34571, -74.68801)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2022	https://planetprinceton.com/2022/08/25/rosedale-road-roundabout-project-now-complete/
Beulah, ND Mercer Co. United States	ND 49 / ND 200 (47.29909, -101.78564)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.youtube.com/watch?v=7BE9V4BbT2E
Trenton, NJ Mercer Co. United States	S Warren St. / Livingston St. (40.21628, -74.76458)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2013	No splitter island on southwest leg. Year Completed estimated (2010-2013).
Trenton, NJ Mercer Co. United States	Meadowlark Dr. / Meadowlark Dr. (40.21770, -74.67986)	Other Existing	One-Way/Two-Way Stop Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Hamilton Square, NJ Mercer Co. United States	Silver Ct. (40.21606, -74.68183)	Other Existing	Unknown Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Grove City, PA Mercer Co. United States	Hillcrest Cir. / Slate St. (41.16693, -80.08439)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Merced, CA Merced Co. United States	E Olive Ave. / Campus Pkwy. (37.31778, -120.42305)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Multilane (2 Lane, unspecified)	2021	http://www.mercedgwnews.com/new-roundabout-to-open-in-merced-this-is-the-location/
Merced, CA Merced Co. United States	E Yosemite Ave. / Campus Pkwy. (37.33240, -120.42433)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2022	Year Completed estimated (2021-2022).