Roundabouts Database Index

30293 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
Port Macquarie, New South Wales Port Macquarie-Hastings Australia	B56 (Oxley Hwy.) / John Oxley Dr. / Wrights Rd. (-31.45269, 152.87487)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Port Macquarie, New South Wales Port Macquarie-Hastings Australia	John Oxley Dr. / Major Innes Rd. (-31.45730, 152.87351)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways	Other (At-Grade) Single-Lane
Nabiac, New South Wales Mid-Coast Australia	Wallanbah Rd. / A1 (Pacific Hwy.) Ramps / Candoormakh Crescent (-32.09909, 152.37401)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Buchanan, New South Wales Cessnock Australia	B68 (John Renshaw Dr.) / George Booth Dr. / Buchanan Rd. (-32.83043, 151.52779)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Buchanan, New South Wales Cessnock Australia	B68 (John Renshaw Dr.) / M15 (Hunter Expressway) Ramps (-32.82971, 151.53104)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Elliptical shaped. Two bridges over freeway.
Fairfield Heights, New South Wales Fairfield Australia	The Boulevarde / Evans St. (-33.86840, 150.93775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Blacktown, New South Wales Blacktown Australia	Holbeche Rd. / Walters Rd. (-33.78992, 150.89056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Blacktown, New South Wales Blacktown Australia	Walters Rd. / Douglas Rd. / Craig St. (-33.78251, 150.89393)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Eastern Creek, New South Wales Blacktown Australia	Brabham Dr. / Huntingwood Dr. (-33.79606, 150.87099)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fairfield Heights, New South Wales Fairfield Australia	Polding St. / Marlborough St. (-33.86281, 150.94510)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Nowra Hill, New South Wales Shoalhaven Australia	Albatross Rd. / Base Entry Rd. / Btu Rd. / Museum Access Rd. (-34.93679, 150.55671)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Inverell, New South Wales Inverell Australia	B76 (Byron St. - Otho St.) / Byron St. (-29.77370, 151.11126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Inverell, New South Wales Inverell Australia	B76 (Byron St. - Warialda Rd.) / Campbell St. / Captain Cook Dr. (-29.77441, 151.11002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Elliptical shaped.
Inverell, New South Wales Inverell Australia	B76 (Otho St. - Glen Innes Rd.) / Campbell St. / Henderson St. (-29.77872, 151.11555)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Canley Vale, New South Wales Fairfield Australia	Vale St. / Chancery St. (-33.89157, 150.95040)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Canley Vale, New South Wales Fairfield Australia	Vale St. / Bareena St. (-33.89041, 150.95057)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Canley Vale, New South Wales Fairfield Australia	Bareena St. / Fairview Rd. (-33.89014, 150.94869)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island		Peanut shaped.
Lake Illawarra, New South Wales Shellharbour Australia	Pur Pur Ave. / Stanley St. (-34.54067, 150.85635)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Lake Illawarra, New South Wales Shellharbour Australia	Reddall Parade / Windle St. (-34.54053, 150.85243)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Figtree, New South Wales Wollongong Australia	O'Briens Rd. / Murray Park Rd. (-34.43638, 150.85419)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sydney, New South Wales Parramatta Australia	Australia Ave. / Underwood Rd. / A3 (Homebush Bay Dr.) Ramps (-33.85401, 151.07718)	Roundabout Existing	All-Way Yield Metering Signal	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		https://www.smh.com.au/national/nsw/sydney-s-worst-roundabout-gets-100m-upgrade-work-won-t-start-for-three-years-20220426-p5ag6u.html
Oxley Park, New South Wales Penrith Australia	Brisbane St. / Sydney St. (-33.76751, 150.78856)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 20.0000	Other (At-Grade) Single-lane w/ Traversable Central Island
Keene, NH Cheshire Co. United States	Central Square: Main St. / Court St. / Washington St. / West St. (42.93403, -72.27855)	Signalized Roundabout/Circle Existing	Signal Pedestrian Signal (red-yellow-green to drivers)	6 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (3+ Lane)
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/
Merrimack, NH Hillsborough Co. United States	Baboosic Lake Rd. / Turkey Hill Rd. (42.86727, -71.51565)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/merrimacktv/videos/turkey-hill-baboosic-lake-rd-roundabout-now-complete/730203548391115/
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
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	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
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).
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
Keene, NH Cheshire Co. United States	Rte. 101 / Winchester St. (42.92247, -72.29079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4713	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Functional Class: Arterial ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Main St. / Winchester St. / Marlboro St. (42.92849, -72.27757)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.2307	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
Portsmouth, NH Rockingham Co. United States	US 1 / US 1 Bypass / US 4 (43.07290, -70.78094)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 138.7179	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
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.
Rye, NH Rockingham Co. United States	Foyes Corner: Rte 1A (Pioneer Rd. - Sagamore Rd.) / Elwin Rd. / Sagamore Rd. (43.04597, -70.74656)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2007
Claremont, NH Sullivan Co. United States	Main St. / Broad St. / Tremont St. / Sullivan St. (43.37272, -72.33808)	Other Existing	Other Unknown	0 Approaches 0 Driveways 32.1219	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Newport, NH Sullivan Co. United States	Rte 10 / Rte 11 (43.36506, -72.17355)	Other Existing	Unknown Unknown	0 Approaches 0 Driveways 30.3894	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Nashua, NH Hillsborough Co. United States	SR 130 (Broad St.) / Coburn Ave. / Chuck Drudging Dr. (42.75617, -71.51653)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0619	Other (At-Grade) Single-Lane	2002	Entrance to north high school, very heavy traffic in AM peak. ICD estimated from Google Maps linework.
Lee, NH Rockingham Co. United States	US 4 / Rte 125 (43.14910, -71.00666)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2015	Constructed November 2003 as single-lane rotary as part of new shopping mall. Converted to multilane roundabout in 2015. First multilane roundabout conversion in New Hampshire.
Nashua, NH Hillsborough Co. United States	Main St. / Daniel Webster Hwy (42.73881, -71.45826)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.4557	Other (At-Grade) Single-Lane	2003	Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework.
Epping, NH Rockingham Co. United States	Fresh River Road / Epping Crossing development entrance (43.03021, -71.06982)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.1758	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Keene, NH Cheshire Co. United States	Court St. / Allen Ct. / Cheshire Medical Center entrance (42.94991, -72.29057)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 26.2257	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Hanover, NH Grafton Co. United States	Lyme Rd. (NH 10) / Reservoir Rd. (43.71814, -72.27405)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.3912	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Hanover, NH Grafton Co. United States	NH 10 (Lyme Rd.) / (no intersecting street) (43.72763, -72.26868)	Roundabout Existing	All-Way Yield Unknown	2 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2006
Merrimack, NH Hillsborough Co. United States	Spartan Way / Digital Dr. (42.82118, -71.50855)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 46.4288	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	On campus of Fidelity Investments. ICD estimated from Google Maps linework.
Merrimack, NH Hillsborough Co. United States	Spartan Way / Spartan Ln. (42.81991, -71.51026)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 48.1818	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	On campus of Fidelity Investments. ICD estimated from Google Maps linework.
Goffstown, NH Hillsborough Co. United States	NH 114 (S. Mast St.) / Wallace Rd. (43.01441, -71.58619)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.4516	Other (At-Grade) Single-Lane	2010	External truck apron in SE quadrant. ICD estimated from Google Maps linework.
Goffstown, NH Hillsborough Co. United States	Center St. / Henry Bridge Rd. (43.02136, -71.54726)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 29.6879	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Plymouth, NH Grafton Co. United States	US 3 / Bridge St. (NH 175A) / High St. (43.76001, -71.68737)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.3282	Other (At-Grade) Single-Lane	2007	Adjacent to at-grade railroad crossing. ICD estimated from Google Maps linework.
Meredith, NH Belknap Co. United States	US 3 / Parade Rd. (NH 106) (43.64029, -71.49928)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.5728	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
North Conway, NH Carroll Co. United States	North-South Rd. / Mountain Valley Blvd. (44.01996, -71.10962)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3536	Other (At-Grade) Single-Lane	2007	Right-turn bypass lane in NW quadrant. East leg stubbed for future use. Adjacent to Lowe's Home Improvement center. ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	N. State St. / Franklin St. (43.21304, -71.54215)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 23.5019	Other (At-Grade) Single-Lane	2009	Fifth leg is departure only into frontage road. ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	Centre St. / Liberty St. (43.20410, -71.54851)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.5054	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
New London, NH Merrimack Co. United States	Newport Rd. / County Rd. (43.42280, -72.00003)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.4930	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	NH 101 / Shaw's Plaza entrance (42.87519, -71.96153)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 28.0080	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Durham, NH Strafford Co. United States	Main St. / North Dr. (43.14065, -70.94124)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.5016	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	Old Street Rd. / Parmalee Dr. / Monadnock Community Hospital entrance (42.89272, -71.93790)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3750	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Peterborough, NH Hillsborough Co. United States	Monadnock Community Hospital entrance / parking areas (42.89412, -71.93811)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.3743	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Concord, NH Merrimack Co. United States	US 3 (Village St.) / Washington St. (43.28008, -71.59997)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 25.2150	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Boscawen, NH Merrimack Co. United States	US 4 (King St.) / Tremont St. (43.29130, -71.59523)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2011	Merging right-turn bypass lane on south leg.
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.
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.