Roundabouts Database Index

29554 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
Rochester Hills, MI Oakland Co. United States	Ryder Dr. / Everett Dr. (42.63069, -83.11884)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.8464	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
New Baltimore, MI Macomb Co. United States	Jefferson Ave. / Rosso Hwy. (42.63106, -82.82277)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6629	Other (At-Grade) Single-Lane	2016	Right-turn bypass lanes on north and west legs. ICD estimated from Google Maps linework.
Rensselaer, NY Rensselaer Co. United States	US 4 (Troy Rd.) / Mannix Rd. (42.63111, -73.70100)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 39.5416	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Holt, MI Ingham Co. United States	Cedar St. / Holbrook Rd. (42.63206, -84.50667)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.9640	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Westford, MA Middlesex Co. United States	Russells Way (42.63407, -71.43101)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Auburn Hills, MI Oakland Co. United States	N Squirrel Rd. / Squirrel Ct. (42.63475, -83.22058)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2018	Yield-controlled right-turn bypass lane on north leg.
Hartland, MI Livingston Co. United States	Hartland Rd. / Rovey Dr. (42.63682, -83.74883)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.6594	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Slingerlands, NY Albany Co. United States	Rte. 85 / Rte. 140 (42.63699, -73.85594)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 54.4744	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
Adams, MA Berkshire Co. United States	Columbia St. (Rte 8) / Renfrew St. / Friend St. (42.63704, -73.11300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.7517	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Rochester Hills, MI Oakland Co. United States	E Auburn Rd. / Harrison Ave. (42.63763, -83.09821)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4317	Other (At-Grade) Single-Lane	2019	Pair of roundabouts installed as part of a streetscape renovation.
Rochester Hills, MI Oakland Co. United States	E Auburn Rd. / Gerald Ave. (42.63809, -83.09578)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2019	Pair of roundabouts installed as part of a streetscape renovation.
Slingerlands, NY Albany Co. United States	Rte. 85 / Vista Blvd. (42.64012, -73.85937)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.3217	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
White Lake, MI Oakland Co. United States	Elizabeth Lake Rd. / Oxbow Lake Rd. (42.64128, -83.48775)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.rcocweb.org/619/Elizabeth-Lake-Road-Roundabouts-White-La
White Lake, MI Oakland Co. United States	Elizabeth Lake Rd. / Teggerdine Rd. (42.64243, -83.49436)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.rcocweb.org/619/Elizabeth-Lake-Road-Roundabouts-White-La
Slingerlands, NY Albany Co. United States	Vista Blvd. / (unknown) (42.64444, -73.86825)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Westford, MA Middlesex Co. United States	Russells Way (42.64453, -71.42699)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown
Slingerlands, NY Albany Co. United States	Rte. 85 / Maher Rd. (42.64485, -73.85257)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 54.4675	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
Dimondale, MI Eaton Co. United States	East Rd. / Creyts Rd. (42.64743, -84.64275)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6250	Other (At-Grade) Single-lane w/ Traversable Central Island	2001	British-style mini-roundabout. http://www.teachamerica.com/roundabouts/RA054A_Waddell_ppr.pdf ICD estimated from Google Maps linework.
Pristina, Regjioni i Prishtinës Kosovo	Rruga Fehmi Lladrovci / Bulevardi Dëshmorët e Kombit (42.64746, 21.15748)	Unknown Existing	Unknown None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Somers, WI Kenosha Co. United States	CTH G (Wood Rd.-30th Ave.) / Parkside Blvd. (42.64751, -87.84920)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0173	Other (At-Grade) Single-Lane	2009	Opened September 8, 2009. ICD estimated from Google Maps linework.
Centralville, MA Middlesex Co. United States	Hunts Falls Bridge / VFW Hwy Ramps (42.64822, -71.29907)	Rotary Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 108.9292	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Rotary interchange. ICD estimated from Google Maps linework.
Slingerlands, NY Albany Co. United States	Rte. 85 / Blessing Rd. (42.64893, -73.84798)	Roundabout Existing	Unknown Unknown	3 Approaches 0 Driveways 47.4364	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Functional Class: Arterial ICD estimated from Google Maps linework.
The Acre, MA Middlesex Co. United States	Arcand Dr. / Hall St. / Martin Luther King Jr Way (42.64922, -71.31315)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 62.3697	Other (At-Grade) Single-Lane		No splitter islands on two legs. Very wide circulatory roadway. ICD estimated from Google Maps linework.
Janesville, IA Bremer Co. United States	Barrick Rd. / US 218 NB Ramps (42.64935, -92.44918)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.7200	Freeway Ramps (Grade-Separated) Single-Lane	2012
Voorheesville, NY Albany Co. United States	Rte 85A (Maple Rd.) / Rte 155 (42.64936, -73.92110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2003	Replaced a stop-controlled, channelized triangular intersection. Completed Fall 2003. First roundabout in Albany area.
Janesville, IA Bremer Co. United States	Barrick Rd. / US 218 SB Ramps (42.64937, -92.45388)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Freeway Ramps (Grade-Separated) Single-Lane	2012
Rochester Hills, MI Oakland Co. United States	W Hamlin Rd. / S Livernois Rd. (42.65198, -83.15281)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 33.3795	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Somers, WI Kenosha Co. United States	CTH Y / CTH A (42.65320, -87.83596)	Roundabout Unknown	All-Way Yield None	4 Approaches 0 Driveways 42.6717	Other (At-Grade) Single-Lane	2023	https://www.kenoshacounty.org/CivicAlerts.aspx?AID=2888
Saugatuck, MI Allegan Co. United States	Blue Star Hwy. / Old Allegan Rd. (42.65455, -86.19046)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.facebook.com/cityofsaugatuck/posts/pfbid02RhgzGHQSRQtD2w4Z8zHJCDmkc7Lf1jGgz22zex43fFEpErow9awqsaULZPqrYKMal
Dubrovnik, Dubrovnik-Neretva Croatia	Kralja Tomislava / Iva Dulčića / Miljenka Bratoša (42.65668, 18.07641)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Waterford, MI Oakland Co. United States	Skippter Dr. / (parking) (42.65920, -83.38892)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands. Within shopping mall property.
Dubrovnik, Dubrovnik-Neretva Croatia	E80-D420 (Obala Ivana Pavla II) / Andrije Hebranga (42.66095, 18.08552)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bethlehem, NY Albany Co. United States	Krumkill Rd. / Schoolhouse Rd. (CR 204) (42.66450, -73.84795)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 33.3728	Other (At-Grade) Single-Lane	2008	South entrance built for a road that was subsequently rejected Previously controlled by two-way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Pepperell, MA Middlesex Co. United States	Main St. / River Rd. / Hollis St. (42.66638, -71.58831)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6410	Other (At-Grade) Single-Lane		Pedestrian access to central island. ICD estimated from Google Maps linework.
Smelser, WI Grant Co. United States	STH 80 / STH 81 / Patch Rd. (42.66746, -90.43566)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2023
Auburn Hills, MI Oakland Co. United States	Pioneer Dr. / Meadow Brook Rd. (42.66857, -83.21853)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2018	Previous T-intersection shifted to east.
Auburn Hills, MI Oakland Co. United States	Pioneer Dr. / Library Dr. (42.66886, -83.21576)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7613	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Burlington, WI Racine Co. United States	STH 142 / McCanna Pkwy. (42.66890, -88.25753)	Roundabout Existing	Other None	3 Approaches 0 Driveways 44.7866	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Slatina, Sofia City Sofia Bulgaria	bulevard D-r G. M. Dimitrov / bulevard Asen Yordanov / bulevard Tsarigradsko shose Ramps (42.66895, 23.36793)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Janesville, WI Rock Co. United States	E Racine St. / I-90 WB-I-39 NB Ramps (42.67077, -88.98221)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 55.3230	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Replaced cloverleaf interchange. ICD estimated from Google Maps linework.
Janesville, WI Rock Co. United States	E Racine St. / I-90 EB-I-39 SB Ramps (42.67098, -88.98493)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.8102	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Replaced cloverleaf interchange. ICD estimated from Google Maps linework.
Rochester, MI Oakland Co. United States	E Avon Rd. / Dequindre Rd. (42.67168, -83.09685)	Roundabout Unknown	All-Way Yield None	3 Approaches 1 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Bridge to the east and roundabout at Avon and Dequindre is under construction November 2021. http://www.rcocweb.org/606/Avon-Road-Dequindre-to-23-Mile-Road The one driveway is a utility drive. Note: Popular Cider mill is to the east as well with another roundabout planed for 2022 at Dequindre and 23 Mile Rd.
Shelby Township, MI Macomb Co. United States	E Avon Rd. / 23 Mile Rd. (42.67368, -83.09389)	Roundabout Unknown	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Roundabout constructed after completion of bridge and roundabout to the west is completed.
Izgrev, Sofia City Sofia Bulgaria	bulevard Dragan Tsankov / bulevard Peyo K. Yavorov Ramps (42.67752, 23.34184)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Slingerlands, NY Albany Co. United States	Crown St. / Mill Hill Ct. / Fathers Way (42.68358, -73.90478)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		No splitter islands.
North Andover, MA Essex Co. United States	Massachusetts Ave. / Andover St. / Johnson St. / Great Pond Rd. (42.68399, -71.11274)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.4844	Other (At-Grade) Single-Lane	2008	ICD estimated from Google Maps linework.
Westmere, NY Albany Co. United States	Crossgates Mall Rd. / Adirondack Northway Ramps (42.68736, -73.84561)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://spectrumlocalnews.com/nys/capital-region/news/2023/03/23/roundabout-coming-to-crossgates-mall-
Rochester Hills, MI Oakland Co. United States	Firewood Dr. / Raintree Dr. (42.68744, -83.20810)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.8488	Other (At-Grade) Single-Lane	1994	ICD estimated from Google Maps linework.
Maryville, IA Fayette Co. United States	IA 3 / IA 187 (42.68763, -91.64565)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.5057	Other (At-Grade) Single-Lane	2009	Rural ICD estimated from Google Maps linework.
Albany, NY Albany Co. United States	Fuller Rd. (CR 156) / Tricentennnial Dr. (42.68906, -73.83108)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0923	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Highland, MI Oakland Co. United States	White Lake Rd. / Duck Lake Rd. N (42.69157, -83.57226)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7247	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Troy, NY Rensselaer Co. United States	US 4 (N Greenbush Rd.) / Williams Rd. (Rte 136) / Glenmore Rd. (42.69219, -73.68692)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	Yield-controlled right-turn bypass lanes on north and east legs. Year Completed estimated (2021-2022).
Krasno selo, Sofia City Sofia Bulgaria	bulevard Gen. Eduard I. Totleben / bulevard Makedoniya / bulevard Gen. Mihail D. Skobelev (42.69228, 23.31043)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)		Pedestrian access to central island.
Rochester Hills, MI Oakland Co. United States	Coachwood Ln. / Falcon Dr. (42.69232, -83.20846)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.5795	Other (At-Grade) Single-Lane	1994	ICD estimated from Google Maps linework.
Albany, NY Albany Co. United States	Washington Ave. / CR 156 (Fuller Rd.) (42.69307, -73.83071)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.5475	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	New roundabout will be just north of existing intersection. A flyover will carry through traffic on Washington Ave Functional Class: Arterial ICD estimated from Google Maps linework.
Highland, MI Oakland Co. United States	White Lake Rd. / Rose Center Rd. E (42.69312, -83.57431)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.9909	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Albany, NY Albany Co. United States	Fuller Rd. (CR 156) / I-90 WB Ramps (42.69511, -73.82928)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.6231	Other (At-Grade) Multilane (2 Lane, unspecified)	2012	Year Completed estimated (2011-2013). Functional Class: Arterial ICD estimated from Google Maps linework.
Rochester Hills, MI Oakland Co. United States	W Tienken Rd. / N Livernois Rd. (42.69527, -83.15397)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 46.5232	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	ICD estimated from Google Maps linework.
Rochester Hills, MI Oakland Co. United States	Tienken Rd. / Sheldon Rd. (42.69626, -83.12320)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.6224	Other (At-Grade) Single-Lane	2001	Near Hart Middle School and Stoney Creek High School. Functional Class: Local ICD estimated from Google Maps linework.
Meridian Township, MI Ingham Co. United States	Hulett Rd. / Bennett Rd. (42.69739, -84.44709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.9884	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Rochester, MI Oakland Co. United States	Tienken Rd. / Runyon Rd. / Washington Rd. (42.69743, -83.11135)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.0105	Other (At-Grade) Single-Lane	1999	Total cost: $353,000. Completed July 1999. Functional Class: Arterial ICD estimated from Google Maps linework.
Macomb, MI Macomb Co. United States	25 Mile Rd. / Romeo Plank Rd. / Garfield Rd. (42.70077, -82.95901)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2022	Year Completed estimated (2021-2022).
Macomb, MI Macomb Co. United States	25 Mile Rd. / Hayes Rd. (42.70090, -82.97623)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.4973	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Macomb, MI Macomb Co. United States	25 Mile Rd E / Romeo Plank Rd. (42.70099, -82.95338)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 31.5978	Other (At-Grade) Single-Lane	2016	Right-turn only lane on south leg. ICD estimated from Google Maps linework.
Lawrence, MA Essex Co. United States	Margin St. / Medford St. / Melrose St. / Hancock St. / Bodwell St. (42.70103, -71.17348)	Other Existing	All-Way Stop Unknown	5 Approaches 0 Driveways 21.9429	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lansing, MI Ingham Co. United States	Forest Rd. / Collins Rd. (42.70389, -84.49795)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2021
Yorkville, WI Racine Co. United States	US 45 (S Colony Ave.) / Spring St. (42.70407, -88.05189)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.6176	Other (At-Grade) Single-Lane	2017	Elliptical shape. ICD estimated from Google Maps linework.
Lawrence, MA Essex Co. United States	170 May St (42.71218, -71.18037)	Traffic Calming Circle Existing	Other Unknown	5 Approaches 0 Driveways 18.4287	Other (At-Grade) Single-Lane		No splitter islands. Mix of stop and yield control. ICD estimated from Google Maps linework.
Mount Pleasant, WI Racine Co. United States	16th St. / Emmertsen Rd. (42.71282, -87.85553)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2019
Colonie, NY Albany Co. United States	Sand Creek Rd. / Colonie Ct. (42.71318, -73.80853)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3670	Other (At-Grade) Single-Lane	2008	4 legs, one for planned future road. Completion year of 2008 is approximate. Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Lyulin, Sofia City Sofia Bulgaria	SR 18 (Sofia Ring Road) / SR 189 / A3-E79 Ramps / (connector to bulevard D-r Petar Dertliev) (42.71319, 23.23032)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (3+ Lane)
Lansing, MI Ingham Co. United States	Harding Ave. / Pershing Ave. (42.71364, -84.53384)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.1015	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Williamstown, MA Berkshire Co. United States	Main St (Rte 2) / North St (US 7) / Cold Spring Rd (US7 / Rte 2) / South St (42.71367, -73.21032)	Other Existing	All-Way Yield None	5 Approaches 3 Driveways 21.9384	Other (At-Grade) Single-Lane		Historic elliptical town common ICD estimated from Google Maps linework.
Utica, MI Macomb Co. United States	26 Mile Rd. / M-53 SB Ramps (42.71388, -83.02834)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 44.7542	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Utica, MI Macomb Co. United States	26 Mile Rd. / M-53 NB Ramps (42.71396, -83.02374)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.9991	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Replaced back-to-back loop ramps on northbound M-53. ICD estimated from Google Maps linework.
South Wales, NY Erie Co. United States	Rte 16-Rte 400 / Rte 16 (Olean Rd.) / Richardson Rd. (42.71467, -78.58067)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://wellsvillesun.com/blog/2022/04/06/major-project-on-route-400-in-erie-county-announced/
Lansing, MI Ingham Co. United States	Barnes Ave. / Coleman Ave. (42.71488, -84.55390)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 20.1829	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lansing, MI Ingham Co. United States	Barnes Ave. / Davis Ave. (42.71489, -84.55698)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 18.4279	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Lansing, MI Ingham Co. United States	Barnes Ave. / Beal Ave. (42.71491, -84.56174)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 15.7953	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Orion Township, MI Oakland Co. United States	S Baldwin Rd. / Judah Rd. (42.71519, -83.30749)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	3 Approaches 0 Driveways 38.6106	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	US 62 (E Main St.) / Buffalo St. (42.71581, -78.82941)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 33.3452	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Lansing, MI Ingham Co. United States	Beal Ave. / Sparrow Ave. (42.71602, -84.56174)	Traffic Calming Circle Existing	Unknown Unknown	0 Approaches 0 Driveways 8.7750	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Janesville, WI Rock Co. United States	Sandhill Dr. / Sandstone Dr. (42.71610, -88.95860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.0801	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	US 62 (E Main St.) / Center St. (42.71622, -78.83438)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways 23.6925	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Okemos, MI Ingham Co. United States	Hamilton Rd. / Marsh Rd. (42.71625, -84.42687)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.8350	Other (At-Grade) Multilane (2 Lane, unspecified)	2000	ICD estimated from Google Maps linework.
Racine, WI Racine Co. United States	Valley Dr. / 13th St. / Bluefields Dr. (42.71663, -87.80302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 64.0080	Other (At-Grade) Single-Lane	2007	Elliptical shaped. ICD = 210 ft x 140 ft. Replaced triangular intersection.
Lansing, MI Ingham Co. United States	Moores River Dr. / Boston Blvd. / Pattengill Ave. (42.71923, -84.57225)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.7942	Other (At-Grade) Single-Lane	2002	ICD estimated from Google Maps linework.
Colonie, NY Albany Co. United States	Winners Cir. / Marcus Blvd. / (parking) (42.72115, -73.79651)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015).
Orion Township, MI Oakland Co. United States	S Baldwin Rd. / Gregory Rd. (42.72153, -83.30757)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 41.2390	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Hamburg, NY Erie Co. United States	US 62 (Buffalo St.) / Prospect Ave. (42.72197, -78.82588)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 28.9548	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
East Lansing, MI Ingham Co. United States	Wilson Rd. / Red Cedar Rd. (42.72324, -84.48238)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 23.6898	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
East Lansing, MI Ingham Co. United States	Bogue St. / Wilson Rd. (42.72326, -84.47186)	Other Removed	Unknown Unknown	4 Approaches 0 Driveways 36.8508	Other (At-Grade) Unknown		ICD estimated from Google Maps linework.
Janesville, WI Rock Co. United States	Morse St. / Menards Access (42.72334, -88.99679)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.3412	Other (At-Grade) Single-Lane	2007	Functional Class: Local ICD estimated from Google Maps linework.
Colonie, NY Albany Co. United States	Albany Shaker Rd. / Maxwell Rd. (42.72396, -73.79143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.7278	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Intersection is being relocated to east. Addition of a fourth leg is planned. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Orion, MI Oakland Co. United States	Baldwin Rd. / (parking) (42.72527, -83.30757)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2020	West leg is for athletic club; east leg is for a small strip mall. A fountain is featured in the circle.
East Lansing, MI Ingham Co. United States	Bogue St. / Shaw Ln. (42.72575, -84.47185)	Roundabout Removed	All-Way Yield None	4 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2014	Roundabout built in 2000, removal date estimated (2013-2015).
Hamburg, NY Erie Co. United States	US 62 (Buffalo St.) / Legion St. / Clark St. (42.72590, -78.82574)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1134	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Racine, WI Racine Co. United States	6th St. / 7th St. / Washington Ave. (42.72602, -87.78892)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 35.0945	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Platteville, WI Grant Co. United States	Chestnut St. / Markee Ave. (42.72607, -90.48517)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.6039	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Waverly, IA Bremer Co. United States	1st Ave. NW / 8th St. NW (42.72669, -92.48061)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.2167	Other (At-Grade) Single-Lane	2005	Replaced "T" intersection at entry to Wartburg College school campus. ICD estimated from Google Maps linework.