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
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.
Londonderry, NH Rockingham Co. United States	Raymond Wieczorek Dr. / Airport Rd. (42.92660, -71.44580)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.9654	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	At Manchester-Boston Regional Airport. ICD estimated from Google Maps linework.
Londonderry, NH Rockingham Co. United States	Raymond Wieczorek Dr. / Commerce Ave. / Sparks Ave. (42.92134, -71.44384)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.4756	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	At Manchester-Boston Regional Airport. ICD estimated from Google Maps linework.
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.
Conway, NH Carroll Co. United States	North-South Rd / (Walmart parking) (44.01823, -71.10901)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.2134	Other (At-Grade) Single-Lane	2014	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/nh_roundabouts_list_details_web_version.pdf ICD estimated from Google Maps linework.
Lancaster, NH Coos Co. United States	US 2 (Main St.) / US 3 (44.49690, -71.57632)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.9279	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.
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
Dover, NH Strafford Co. United States	Silver St. / Knox Marsh Rd. / Spaulding Turnpike WB Ramps (43.18845, -70.88652)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.3149	Freeway Ramps (Grade-Separated) Single-Lane	2016	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Rte 9 / Base Hill Rd. (42.92477, -72.31239)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.7273	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
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.
Swanzey, NH Cheshire Co. United States	Monadnock Hwy (Hwy 12) / Lake St. / Swanzey Factory Rd. (42.90817, -72.25933)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.6156	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Manchester, NH Hillsborough Co. United States	Londonderry Turnpike / Candia Rd. / Manchester Rd. (43.00400, -71.39258)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Single-Lane	1940	Pedestrian access to central island.
Manchester, NH Hillsborough Co. United States	Goffstown Rd. / Eddy Rd. / Amoskeag St. / I-293 Ramps (43.00402, -71.47507)	Rotary Existing	Uncontrolled Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Newington, NH Rockingham Co. United States	Woodbury Ave. / Arboretum Dr. / US 4 EB Ramps (43.10153, -70.81503)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2414	Freeway Ramps (Grade-Separated) Single-Lane	2015	ICD estimated from Google Maps linework.
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.
Derry, NH Rockingham Co. United States	Rte 28 (N Main St.-Londonderry Turnpike) / E Broadway / Chester Rd. / E Derry Rd. (42.89225, -71.31208)	Other Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 33.2503	Other (At-Grade) Single-Lane		Pedestrian access to central island. No splitter islands. ICD estimated from Google Maps linework.
Ossipee, NH Carroll Co. United States	Rte 28 / Rte 171 (Water Village Rd.) / Courthouse Square (43.68666, -71.12119)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2020	https://www.conwaydailysun.com/news/local/ossipee-thanks-state-for-installing-roundabout/article_5f74f482-b0bd-11ea-b12d-9fccb24a7c41.html
Londonderry, NH Rockingham Co. United States	Michels Way / First Ave. (42.87405, -71.35055)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.9560	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2017-2018).
Londonderry, NH Rockingham Co. United States	Michels Way / Main St. (42.87228, -71.35008)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018	Year Completed estimated (2018-2019).
Dover, NH Strafford Co. United States	US 4 (Boston Harbor Rd.) / Boston Harbor Rd. / Spur Rd. (43.12836, -70.84375)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2019
Swanzey, NH Cheshire Co. United States	Old Homestead Hwy. (NH 32) / Sawyer's Crossing Rd. (42.87428, -72.28155)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.nh.gov/dot/org/projectdevelopment/highwaydesign/roundabouts/documents/roundabout-pho-swanzey40485.pdf
Dover, NH Strafford Co. United States	Pointe Pl. / (unknown) (43.17405, -70.85941)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2018).
Rochester, NH Strafford Co. United States	Little Falls Bridge Rd. / Marketplace Blvd. / (parking) (43.33343, -71.00977)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2016
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
Salem, NH Rockingham Co. United States	Via Toscana / S Village Dr. (42.77099, -71.22354)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2020	In a mixed-use development called Tuscan Village.
Salem, NH Rockingham Co. United States	Tuscan Blvd. / S Village Dr. (42.76904, -71.22519)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	In a mixed-use development called Tuscan Village.
Salem, NH Rockingham Co. United States	Tuscan Blvd. / (unknown) (42.77007, -71.22693)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2020	In a mixed-use development called Tuscan Village.
Salem, NH Rockingham Co. United States	Tuscan Blvd. / Artisan Dr. (42.77110, -71.22775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2020	In a mixed-use development called Tuscan Village.
Conway, NH Carroll Co. United States	North-South Rd. / Common Ct. (44.02297, -71.10868)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2022	Rear entrance to Settler's Green shopping plaza. The east leg is under construction 2023 for big box retail, which should open in 2024.
Keene, NH Cheshire Co. United States	Winchester St. / Key Rd. / (parking) (42.92459, -72.28941)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2023	https://www.keenewinchesterstreet.com/
Rochester, NH Strafford Co. United States	Strafford Square: N Main St. / Washington St. / Walnut St. (43.30538, -70.98423)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://news.rochesternh.gov/city-of-rochester-prepares-to-open-strafford-square-roundabout-provides-update-to-motorists/
Keene, NH Cheshire Co. United States	Winchester St. / Pearl St. / Island St. / (parking) (42.92674, -72.28771)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	Combined 3 intersections: one all-way stop, one one-way stop; one one-way yield. https://www.keenewinchesterstreet.com/
Nitra, Nitra Region Nitra Slovakia	Bratislavská / Sturova / Janka Kral'a / Braneckeho (48.31012, 18.07369)	Rotary Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Oval shaped.
Nitra, Nitra Region Nitra Slovakia	Rte 51 / E58-E571-R1 Ramps (48.30800, 18.14245)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Nitra, Nitra Region Nitra Slovakia	Rte 51-Rte 64 / Dobsinkeho (48.31996, 18.09740)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Concentric striped circulatory roadway. No entry deflection.
Nitra, Nitra Region Nitra Slovakia	Rte 64 / Rte 64 Ramps / (unknown) (48.34126, 18.05959)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Single-Lane
Nitra, Nitra Region Nitra Slovakia	Rte 64 / (parking) (48.25678, 18.10742)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	ulitsa Batankura / Samarkandskaya ulitsa / Krutoy pereulok (56.33596, 43.95735)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	ulitsa Kominterna / (unknown) (56.34485, 43.88902)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	Murashkinskaya ulitsa / ulitsa Betankura (56.32958, 43.94853)	Other Existing	Other Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Circulating traffic yields to entering traffic.
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	ploshchad' Lyadova (56.30829, 43.98520)	Other Existing	Signal Unknown	5 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	Molodezhnyy prospekt / utilsa Vedenyapina / prospekt Lenina (56.24164, 43.86346)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown		Trams through central island.
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	Komsomol'skaya ploshchad' (56.29882, 43.94495)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Trams through central island.
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	ulitsa Admirala Vasyunina / utilsa Boris Kamilova (56.29757, 44.04411)	Unknown Existing	Unknown Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	Komsomolskoye sh. / Moskovskoye shosse Ramps / Burnakovskiy proyezd / pr. Geroyev (56.31500, 43.89899)	Unknown Existing	Unknown Unknown	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Nizhniy Novgorod, Nizhniy Novgorod Nizhny Novgorod Russia	Akmolinskaya Ulitsa / Ulitsa Proletarskaya / Burnakovskaya ulitsa (56.33846, 43.92139)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Camden, NJ Camden Co. United States	N 2nd St. / Vine St. / Main St. (39.95274, -75.12311)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-lane w/ Traversable Central Island	2020	North leg is one-way exit only. Year Completed estimated (2019-2020).
Camden, NJ Camden Co. United States	N 3rd St. / Main St. / Cedar St. (39.95190, -75.12189)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Camden, NJ Camden Co. United States	N 4th St. / Main St. / Elm St. (39.95122, -75.12077)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Bordentown Township, NJ Burlington Co. United States	Old York Rd. / Georgetown Rd. (40.12458, -74.68736)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2019	Same configuration as the roundabout at the adjacent intersection. Outside truck aprons provided on approaches. Accommodations for future pedestrian crossings provided in splitter islands with crosswalks and curb ramps anticipated if/when adjacent lands develop.
Flemington, NJ Hunterdon Co. United States	US 202 / Rte 12 / Rte 31 (40.50267, -74.85339)	Rotary Existing	Other None	4 Approaches 0 Driveways 135.6360	Other (At-Grade) Multilane (2 Lane, unspecified)		Yield sign on circulatory roadway at northeast entry. ICD = 600 ft x 290 ft.
Flemington, NJ Hunterdon Co. United States	Rte 12 / Main St. / Reaville Ave. (40.50183, -74.85851)	Rotary Existing	All-Way Yield None	5 Approaches 6 Driveways 106.6800	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2010	Oval shaped. ICD = 350 ft x 265 ft. Minor movements need to change lanes for some movements. Modified 2009-2010 to have yield on entry with original rotary geometry. 21442
Flemington, NJ Hunterdon Co. United States	Rte 12 / Mine St. / Sargeantsville-Flemington Rd. (40.50440, -74.87123)	Rotary Existing	Other None	4 Approaches 1 Driveways 120.3960	Other (At-Grade) Single-Lane		Yield signs on circulatory roadway. ICD = 450 ft x 340 ft.
Vincentown, NJ Burlington Co. United States	Rte 70 / Rte 72 / Four Mile Rd. / Magnolia Rd. (39.89892, -74.59641)	Rotary Existing	Other None	5 Approaches 0 Driveways 129.5400	Other (At-Grade) Single-Lane		Mix of stop and yield control on entry. ICD = 500 ft x 350 ft.
Elmer, NJ Salem Co. United States	US 40 / Daretown Rd. / Rte 77 / Pole Tavern-Elmer Rd. (39.61692, -75.22940)	Other Existing	Other None	5 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane		Stop sign on Daretown Rd.
Jersey City, NJ Hudson Co. United States	Morris Pesin Dr. / Burma Rd. (40.69977, -74.06721)	Other Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane		Painted splitter islands; no deflection on northwest leg.
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.
Newark, NJ Essex Co. United States	Hayes Ave. / Bessemer St. / US 1-US 9 Ramps (40.70196, -74.18745)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 75.1511	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	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.
Swedesboro, NJ Gloucester Co. United States	Kings Hwy. / Center Square Rd. / Woodstown Rd. (39.73663, -75.31875)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 44.0845	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Woolwich Township, NJ Gloucester Co. United States	Auburn Rd. / High Hill Rd. / Bridgeport Ave. (39.74254, -75.31883)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.9789	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Piscataway Township, NJ Middlesex Co. United States	Scarlet Knight Way / Campus Rd. / Bartholomew Rd. / Frelinghuysen Rd. (40.51776, -74.46132)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 57.1998	Other (At-Grade) Single-Lane	2003	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.
Wall Township, NJ Monmouth Co. United States	RT-34 S / Allaire Rd. (40.15011, -74.09599)	Rotary Existing	Other Unknown	4 Approaches 0 Driveways 106.8086	Other (At-Grade) Multilane (2 Lane, unspecified)		Built in the 1930s. Yield signs on Allaire Rd approaches; some kind of traffic lights on Rt 34 approaches. ICD estimated from Google Maps linework.
Hasbrouck Heights, NJ Bergen Co. United States	Passaic Ave. / Boulevard (40.85798, -74.08175)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 54.1986	Other (At-Grade) Single-Lane		Very narrow splitter islands. ICD estimated from Google Maps linework.
Colts Neck Township, NJ Monmouth Co. United States	Crine Rd. / Heulitt Rd. / Dutch Lane Rd. (40.31080, -74.20457)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.3580	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2013-2016). 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.
Franklin Lakes, NJ Bergen Co. United States	Franklin Lake Rd. / High Mountain Rd. (40.99348, -74.21235)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.2409	Other (At-Grade) Single-Lane	2014	Upgraded from a neighborhood traffic circle in 2014 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.
Brigantine, NJ Atlantic Co. United States	Brigantine Blvd. / Bayshore Ave. / 34th St. S / (unknown) / (parking lot) (39.39482, -74.38953)	Other Existing	Other None	7 Approaches 0 Driveways 28.6120	Other (At-Grade) Multilane (2 Lane, unspecified)		All entries except Brigantine Blvd controled by stop signs. 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.
Brooklawn, NJ Camden Co. United States	Brooklawn Circle: Broadway / US 130 (Crescent Blvd.) / NJ 47 (Broadway) / S Heenevig Ave. (39.87583, -75.12269)	Other Existing	All-Way Yield Unknown	4 Approaches 4 Driveways 85.3437	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Former rotary with yielding within circulatory roadway. Partial conversion to roundabout 2017-2018. Circulating traffic continues to yield to entering traffic on east leg.
Brooklawn, NJ Camden Co. United States	Forbidden Circle [US 130 / New Broadway] (39.87676, -75.12453)	Rotary Existing	Other Unknown	3 Approaches 0 Driveways 57.7431	Other (At-Grade) Multilane (2 Lane, unspecified)		No controls of any type except a yield sign on one approach. ICD estimated from Google Maps linework.
Bound Brook, NJ Somerset Co. United States	Bolmer Blvd. / E Main St. / Lincoln Blvd. (40.56146, -74.52779)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9080	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2006).
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.
Gloucester Township, NJ Camden Co. United States	Zimmerman Rd. / Premuim Outlets Dr. (39.78762, -75.05079)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.7099	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	Additional westbound through lane added during 2011-2016 period. ICD estimated from Google Maps linework.
Gloucester Township, NJ Camden Co. United States	Love Dr. / Commencement Dr. (39.78859, -75.04660)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.6271	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Gloucester Township, NJ Camden Co. United States	College Dr. / Commencement Rd. (39.78649, -75.04541)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 44.0526	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Gloucester Township, NJ Camden Co. United States	College Dr. / Love Dr. / Washington Dr. (39.78771, -75.04352)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.7099	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Burlington, NJ Burlington Co. United States	Keim Blvd. / Washington Ave. (40.07282, -74.86503)	Rotary Existing	Other Unknown	4 Approaches 0 Driveways 74.9424	Other (At-Grade) Single-Lane		Egg shaped. Yield signs within circle. ICD estimated from Google Maps linework.
Chesterfield, NJ Burlington Co. United States	Rte 660 (Old York Rd.) / Rte 528 (Bordentown Chesterfield Rd.) (40.13058, -74.66189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.3105	Other (At-Grade) Single-Lane	2014	https://www.burlingtoncountytimes.com/news/20171121/njdot-gets-national-award-for-chesterfield-roundabout ICD estimated from Google Maps linework.
Farmingdale, NJ Monmouth Co. United States	NJ-34 / NJ-35 / CR-547 (40.21926, -74.12851)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 100.3161	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Converted from rotary (signing/striping only; no geometric changes) in 2006-2007. ICD estimated from Google Maps linework.
Middletown, NJ Monmouth Co. United States	Newman Springs Rd. (CR 520) / College Dr. (40.33204, -74.13175)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7760	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Entrance to Brookdale Community College and Lincroft Bible Church. Expected opening August 2007. 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.
Dumont / Cresskill, NJ Bergen Co. United States	Madison Ave. / Knickerbocker Rd. (Monument) (40.94127, -73.97681)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 74.8804	Other (At-Grade) Single-Lane		Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local ICD estimated from Google Maps linework.
Westfield, NJ Union Co. United States	NJ 28 / E. Broad St. (Westfield Circle) (40.64849, -74.35027)	Rotary Existing	Unknown Unknown	3 Approaches 0 Driveways 42.5896	Other (At-Grade) Multilane (2 Lane, unspecified)		Functional Class: Arterial ICD estimated from Google Maps linework.
Somerville, NJ Somerset Co. United States	US 206 / US 202 Ramps / NJ 28 / West End Ave. (40.57572, -74.62894)	Rotary Existing	Other Unknown	5 Approaches 0 Driveways 144.7800	Other (At-Grade) Multilane (3+ Lane)		Circulating traffic yields (stops) for entering traffic on northeast leg. ICD = 475 ft x 350 ft.
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.
Maplewood, NJ Essex Co. United States	Midland Blvd. / Highland Ave. (40.73043, -74.25748)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 83.2644	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.