Roundabouts Database Index

29867 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
Fitchburg, MA Worcester Co. United States	Main St. / River St. (42.58718, -71.80861)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 13.1898	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.sentinelandenterprise.com/2017/05/22/roundabout-at-main-and-river-in-fitchburg-could-see-revisions/ ICD estimated from Google Maps linework.
Greenfield, MA Franklin Co. United States	Rte 2 / Rte 2A / I-91 Ramps (42.58531, -72.62148)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 177.6285	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Fitchburg, MA Worcester Co. United States	River St (Rte 2A, 31) / Kimball St (Rte 12) / Daniels St (42.58252, -71.81891)	Traffic Calming Circle Existing	Other Unknown	4 Approaches 2 Driveways 32.5374	Other (At-Grade) Single-Lane		Control Type; All way Yield, except for Daniel St. A crosswalk over River St is missing. River St WB has a large median, no crosswalk utilizing it. Industrial mixed-use context. ICD estimated from Google Maps linework.
Athol, MA Worcester Co. United States	Market Rd. / Tower Rd. / Reservoir Dr. (42.58053, -72.18775)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2014	no crosswalks, commercial center
Harrison Township, MI Macomb Co. United States	Metro Pkwy. / Sail Rd. (42.57735, -82.79673)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2013	Built as part of parking lot reconfiguration. Painted splitter islands. Through bypass lane on northwestbound approach.
Harrison Township, MI Macomb Co. United States	Sail Rd. / Metro Pkwy. (42.57551, -82.79958)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5008	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2013	Built as part of parking lot reconfiguration. Painted splitter islands. No speed control on north leg.
Beverly, MA Essex Co. United States	Brimbal Ave. / Sohier Rd. (42.57437, -70.87860)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.9031	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Beverly, MA Essex Co. United States	Sohier Rd. / Rte 128 EB Ramps (42.57412, -70.88026)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.3368	Freeway Ramps (Grade-Separated) Single-Lane	2016	Right-turn lanes on south and east legs. Through bypass lane on north leg. ICD estimated from Google Maps linework.
Beverly, MA Essex Co. United States	Essex St. / Old Essex Rd. (42.57129, -70.85769)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.6273	Other (At-Grade) Single-Lane	2018	https://www.salemnews.com/news/local_news/essex-street-around-new-roundabout-to-be-closed-for-work/article_33d9323d-29f7-5067-a7e0-8ba022b4f125.html?psid=80AVI ICD estimated from Google Maps linework.
(unincorporated), MI Oakland Co. United States	Martin Pkwy. / Oakley Park Rd. (42.57048, -83.44984)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.9779	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Kenosha, WI Kenosha Co. United States	144th Ave. / 72nd St. (42.56879, -87.98186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2005	https://wisdot.maps.arcgis.com/apps/webappviewer/index.html?id=106c80b1ec5f42a5a8808e6acad23067
Fitchburg, MA Worcester Co. United States	Electric Ave. / Rollstone Rd. / Rollstone St. (42.56713, -71.81346)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.5921	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	https://www.sentinelandenterprise.com/2017/04/29/work-on-roundabout-at-rollstone-road-and-electric-ave-in-fitchburg-begins-monday-will-require-detour/ ICD estimated from Google Maps linework.
Gardner, MA Worcester Co. United States	Timpany Blvd (Rte 68) / Rte 2 (42.56665, -71.99296)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 140.7379	Freeway Ramps (Grade-Separated) Single-Lane		Crosswalks present ICD estimated from Google Maps linework.
(unincorporated), MI Oakland Co. United States	Martin Pkwy. / PGA Dr. (42.56583, -83.44967)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.9812	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Gardner, MA Worcester Co. United States	Rte 2 Ramps / Pearson Blvd (42.56420, -71.97920)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 137.2249	Freeway Ramps (Grade-Separated) Single-Lane		ICD estimated from Google Maps linework.
Pleasant Prairie, Village of, WI Kenosha Co. United States	88th Ave. / Wilmot Rd. (42.56033, -87.91425)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 36.0678	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
(unincorporated), MI Oakland Co. United States	Martin Pkwy. / Library Dr. (42.55755, -83.44985)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7465	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
(unincorporated), MI Oakland Co. United States	N Pontiac Trl. / M-5 / Martin Pkwy. (42.55450, -83.44852)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 76.2000	Other (At-Grade) Multilane (3+ Lane)	2012	Substantial screen fence was installed on south and east legs to slow down approach vehicles.
(unincorporated), MI Livingston Co. United States	Kensington Rd. / Jacoby Rd. (42.55436, -83.69828)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 39.6240	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010).
Ayer, MA Middlesex Co. United States	Main St. (Rte 2A, Rte 111) / Sandy Pond Rd. / Littleton Rd. (Rte 2A, Rte 110) / Harvard Rd. (Rte 110, Rte 111) / Barnum Rd (42.55279, -71.57239)	Rotary Existing	Other None	5 Approaches 0 Driveways 118.7740	Other (At-Grade) Single-Lane		All-Yield Control expect for Barnum Rd (Stop-controlled) ICD estimated from Google Maps linework.
Pleasant Prairie, WI Kenosha Co. United States	Bain Station Rd. / 88th Ave. (CR H) (42.55125, -87.91362)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2017	https://www.rasmith.com/projects/cthh-bain-station-roundabout/
West Bloomfield Township, MI Oakland Co. United States	W Maple Rd. / Middlebelt Rd. (42.54350, -83.34114)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 33.4377	Other (At-Grade) Unknown	2019	ICD estimated from Google Maps linework.
West Bloomfield Township, MI Oakland Co. United States	W. Maple Rd. / Farmington Rd. (42.54241, -83.38035)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 62.4767	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Genoa Township, MI Livingston Co. United States	Challis Rd. / Bauer Rd. (42.54205, -83.81326)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	West leg of Challis Road realigned to south at roundabout. https://www.livingstondaily.com/story/news/local/community/genoa-township/2024/09/02/roundabout-at-challis-bauer-roads-in-genoa-township-now-open/75001158007/
West Bloomfield Township, MI Oakland Co. United States	W. Maple Rd. / Drake Rd. (42.54184, -83.39996)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 62.4773	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Subject of ADA lawsuit. ICD estimated from Google Maps linework.
Beloit, WI Rock Co. United States	E Hart Rd. / I-43 SB Ramps (42.54142, -88.94933)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.0787	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Opened October 2009. Series of 3 roundabouts. Right turn bypass lane. ICD estimated from Google Maps linework.
Beloit, WI Rock Co. United States	E Hart Rd. / I-43 NB Ramps (42.53960, -88.94841)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6798	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Opened October 2009. Series of 3 roundabouts. Right turn bypass lane. ICD estimated from Google Maps linework.
Bristol, Village of, WI Kenosha Co. United States	Wilmot Rd. / 160th Ave. (42.53847, -88.00097)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.2004	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2010-2013). ICD estimated from Google Maps linework.
Beloit, WI Rock Co. United States	E Hart Rd. / CTH X / Gateway Blvd. (42.53840, -88.94769)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.7205	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Opened October 2009. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Howell, MI Livingston Co. United States	Chilson Rd. / E Coon Lake Rd. (42.53678, -83.87150)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.0814	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Walled Lake, MI Oakland Co. United States	Loop Rd. / Commerce Crossing Dr. (42.53542, -83.44801)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.2829	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Next to Costco retail center and gas station. ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Main St. / S 3rd St. (42.52942, -83.78761)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.1233	Other (At-Grade) Single-Lane	2000	ICD estimated from Google Maps linework.
Carlisle, MA Middlesex Co. United States	Westford St. / Lowell St. / Bedford Rd. (42.52918, -71.34894)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 28.9560	Other (At-Grade) Single-Lane	2020	The previous traffic circle was reconstructed with modern roundabout features in 2020.
Beloit, WI Rock Co. United States	Millington Rd. / Kerry America Corp. Entrance (42.52895, -88.97019)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.5653	Other (At-Grade) Single-Lane	2008	Opened November 2008. ICD estimated from Google Maps linework.
(unincorporated), MI Oakland Co. United States	W 14 Mile Rd. / Orchard Lake Rd. (42.52846, -83.36020)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 46.6480	Other (At-Grade) Multilane (3+ Lane)	2015	ICD estimated from Google Maps linework.
Pleasant Prairie, Village of, WI Kenosha Co. United States	Springbrook Rd. / 39th Ave. (42.52830, -87.85408)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.0863	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Farmington Hills, MI Oakland Co. United States	14 Mile Rd. / Farmington Rd. (42.52785, -83.37922)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 29.0452	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Functional Class: Arterial ICD estimated from Google Maps linework.
Wixom, MI Oakland Co. United States	W Chambers St. / Johanna Ware W (42.52579, -83.53382)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Wakefield, MA Middlesex Co. United States	Rte 129 (Salem St.-Lowell St.) / Haverhill St. / I-95 Ramps (42.52541, -71.08090)	Rotary Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		Pavement markings improvement in 2016.
Saint-Jean-Pla-de-Corts, Occitanie Pyrénées-Orientales France	D900 / (unknown) (42.52540, 2.80615)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Beverly Hills, MI Oakland Co. United States	Greenfield Rd. / Normandy Rd. / Beverly Rd. (42.52471, -83.20409)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2023	Opened August 26, 2023. https://www.rcocweb.org/655/GreenfieldNormandy-Beverly-Roundabout-CO
Farmington Hills, MI Oakland Co. United States	Orchard Lake Rd. / (shopping center entrances) (42.52448, -83.35994)	Roundabout Existing	All-Way Yield Pedestrian Hybrid Beacon (PHB, HAWK)	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022
Novi, MI Oakland Co. United States	Gateway Rd. / Woodstone Ln. (42.52271, -83.49676)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Pleasant Prairie, WI Kenosha Co. United States	STH 165 (104th St.) / CTH ML (Springbrook Rd.) (42.52253, -87.86031)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.8919	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Opened October 7, 2011. Yield-controlled right-turn bypass lanes. ICD estimated from Google Maps linework.
Pleasant Prairie, WI Kenosha Co. United States	STH 165 (104th St.) / CTH EZ (39th Ave.) (42.52248, -87.85383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.5327	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	Opened August 8, 2011. ICD estimated from Google Maps linework.
Le Boulou, Occitanie Pyrénées-Orientales France	D115 / A9-E15 Ramps / El place (42.52147, 2.81713)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)
Le Boulou, Occitanie Pyrénées-Orientales France	Rond-Point de l'Ordre National du Mérite: D115 / D618 / Boulevard du Maréchal Foch / Zone de l'Autoport / Route de Céret (42.52102, 2.82225)	Roundabout Existing	All-Way Yield Unknown	6 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Saint-Jean-Pla-de-Corts, Occitanie Pyrénées-Orientales France	D115 / D900 (42.52064, 2.80619)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Lancaster, MA Worcester Co. United States	Lunenburg Rd. / Old Union Turnpike (42.51839, -71.69255)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.9723	Other (At-Grade) Single-Lane	2013	Year estimated between 2010 and 2015. ICD estimated from Google Maps linework.
Northwest Warren, MI Macomb Co. United States	Edward Cole Blvd. / Louis Chevrolet Rd. (42.51705, -83.03027)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2004	Inside General Motors plant. Year Completed estimated (2003-2005).
Fort Dodge, IA Webster Co. United States	10th Ave. N. / N. 32nd St. (42.51522, -94.14932)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8545	Other (At-Grade) Single-Lane	2009	Replaced two T intersections. ICD estimated from Google Maps linework.
Dubuque, IA Dubuque Co. United States	Kerper Blvd. / Kerper Ct. (42.51518, -90.65500)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://www.kwwl.com/video/kerper-boulevard-roundabout-now-open-in-dubuque/video_c96b5eb0-5305-5b6f-8b06-be51094e84b7.html
Saint-Jean-Pla-de-Corts, Occitanie Pyrénées-Orientales France	Rond-Point de Saint-Sébastien: D115 / D13 / Rue Résidences du Soleil (42.51471, 2.78701)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Boulder Dr. (42.51312, -92.43821)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 NB Ramps (42.51311, -92.44268)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.4202	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / SR 27-SR 58 SB Ramps (42.51311, -92.44391)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.8558	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Holiday Rd. (42.51304, -92.43342)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7362	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Waterloo Rd. (42.51304, -92.42713)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.8558	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
New Hudson, MI Oakland Co. United States	Grand River Ave. / New Hudson Dr. (42.51286, -83.62158)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.7363	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Lynnfield, MA Essex Co. United States	Salem St (Rt 129) / Lynnfield St. (42.51280, -70.99137)	Rotary Existing	All-Way Yield None	4 Approaches 0 Driveways 159.3472	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Saint-Jean-Pla-de-Corts, Occitanie Pyrénées-Orientales France	D13 / Rue de la Poste / Rue de l'Ancienne Poste (42.51149, 2.79007)	Other Existing	Other Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Southfield, MI Oakland Co. United States	Coral Bells Dr. / Windflower Dr. / Violet Dr. (42.51039, -83.22182)	Other Unknown	Unknown None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
New Hudson, MI Oakland Co. United States	Grand River Ave. / Lyon Center Dr. E (42.50967, -83.60697)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 42.2599	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
New Hudson, MI Oakland Co. United States	New Hudson Dr. / W Pontiac Trl. (42.50909, -83.62100)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.7714	Other (At-Grade) Single-Lane	2010	Yield controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Northwest Warren, MI Macomb Co. United States	William Durant Blvd. / Charles Chayne Rd. (42.50727, -83.04056)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 62.4840	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Inside General Motors plant.
Brighton, MI Livingston Co. United States	Village Place Blvd. / Green Oak Ave. (42.50698, -83.75462)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Earth.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Cedar Heights Dr. (42.50672, -92.41123)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.0987	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Lee Rd. / Whitmore Lake Rd. (42.50627, -83.76012)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.2622	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	Linked with US 23 SB Ramps/Lee Rd. roundabout. Functional Class: Arterial ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Lee Rd. / US 23 SB Ramps (42.50605, -83.75954)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.8600	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2006	Linked with Lee Rd/Whitmore Lake Rd roundabout. Previously controlled by one-way stop control ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr. (42.50573, -83.75296)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2006
Andorra la Vella, Andorra la Vella Andorra	Baixada del Molí / Carrer Prat de la Creu / Carrer de Tobira (42.50543, 1.51830)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Brighton, MI Livingston Co. United States	Lee Rd. / US 23 NB Ramps / Fieldcrest Dr. (42.50486, -83.75652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.5461	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Fort Dodge, IA Webster Co. United States	1st Ave. S / S 12th St. (42.50480, -94.18270)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.5340	Other (At-Grade) Single-Lane	2016	https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.
Andorra la Vella, Andorra la Vella Andorra	CG-1 (Av. de Salou - Avinguda de Tarragona) / Baixada del Molí / Carretera de la Comella (42.50365, 1.51931)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Fort Dodge, IA Webster Co. United States	1st Ave. S / 2nd Ave. S / 6th St. (42.50361, -94.18974)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7420	Other (At-Grade) Single-Lane	2015	https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	University Ave. / Greenhill Rd. (42.50253, -92.47488)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9817	Other (At-Grade) Single-Lane	2017	http://www.cedarfalls.com/CivicAlerts.aspx?AID=922&ARC=2213 ICD estimated from Google Maps linework.
Brighton, MI Livingston Co. United States	Maltby Rd. / (middle school access) (42.50039, -83.78169)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015).
Woburn, MA Middlesex Co. United States	I-95 Ramps / MA 38 (Main St.) (42.49945, -71.15711)	Rotary Existing	Unknown Unknown	4 Approaches 0 Driveways 30.8196	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)		ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	Greenhill Rd. / S Main St. (42.49855, -92.44586)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2022	https://www.cedarfalls.com/1572/South-MainGreenhill-Intersection-Improve
Dubuque, IA Dubuque Co. United States	N Grandview Ave. / University Ave. (42.49832, -90.68817)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.9396	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Salem, MA Essex Co. United States	Swampscott Rd. / 1st St. (42.49822, -70.92450)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 27.4320	Other (At-Grade) Single-Lane	2019
Cedar Falls, IA Black Hawk Co. United States	Greenhill Rd. / Cedar Heights Dr. (42.49805, -92.41128)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2021	Year Completed estimated (2021-2022).
(unincorporated), IA Blackhawk Co. United States	Independence Ave. (IA 281) / Raymond Rd. (V49) (42.49790, -92.21953)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7456	Other (At-Grade) Single-Lane	2008	Opened Octboer 29, 2008. First roundabout in Iowa with 55mph approaches. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Dubuque, IA Dubuque Co. United States	N Grandview Ave. / Delhi St. / Grace St. (42.49682, -90.68791)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 20.2537	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Waterloo, IA Black Hawk Co. United States	University Ave. / Fletcher Ave. (42.49612, -92.36709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2021
Southfield, MI Oakland Co. United States	Winchester St. / Devonshire St. (42.49321, -83.25204)	Roundabout Existing	All-Way Yield None	3 Approaches 2 Driveways 23.1648	Other (At-Grade) Single-Lane	2019	https://www.cityofsouthfield.com/Portals/0/docs/Public%20Works/Roundabout%20FAQ_Section%2015%20Phase%20II.pdf ICD estimated from Google Maps linework.
Bellwood Estates, MI Oakland Co. United States	Bell Rd. / Coventry Woods Ln. (42.49306, -83.27073)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.3944	Other (At-Grade) Single-Lane	2017	Circulating edge line extensions across exits.
Cedar Falls, IA Black Hawk Co. United States	Cedar Heights Dr. / Huntington Rd. (42.49125, -92.41124)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022
Dakota Dunes, SD Union Co. United States	Dakota Dunes Blvd. / E Sawgrass Trl. (42.49039, -96.49223)	Other Existing	All-Way Stop None	4 Approaches 0 Driveways 119.4816	Other (At-Grade) Single-Lane
Cedar Falls, IA Black Hawk Co. United States	Prairie Pkwy. / Prairie View Rd. (42.49038, -92.43412)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.7219	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework.
Cedar Falls, IA Blackhawk Co. United States	Cedar Heights Dr. / Viking Rd. (42.48899, -92.41638)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 54.8640	Other (At-Grade) Single-Lane	2007	Right-turn-only lane on west leg. Intersection relocated from T-intersection to the south. Opened November 2007.
Waterloo, IA Black Hawk Co. United States	W 9th St. / South St. (42.48850, -92.33818)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://k923.fm/new-waterloo-roundabout-is-almost-complete-look/
Southfield, MI Oakland Co. United States	Franklin Rd. / W Eleven Mile Rd. (42.48636, -83.29104)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 59.4360	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2017	Year Completed estimated (2017-2018).
Novi, MI Oakland Co. United States	Crescent Blvd. / Town Center Dr. (42.48561, -83.46982)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.5879	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Cedar Falls, IA Black Hawk Co. United States	Brandilynn Blvd. / Prairie Pkwy. (42.48552, -92.43468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.2763	Other (At-Grade) Single-Lane	2009	In new commercial development. Functional Class: Local ICD estimated from Google Maps linework.
Dyersville, IA Delaware Co. United States	CR X49 (332nd Ave.) / W 1st Ave. / 210th St. (42.48441, -91.14450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.dyersvillecommercial.com/news/new-roundabout-officially-open/image_90cf973c-23eb-59eb-9a68-62a9bf4de883.html
Southfield, MI Oakland Co. United States	Evergreen Rd / (library and shopping center parking lots) (42.48345, -83.24100)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.9929	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Southfield, MI Oakland Co. United States	Civic Center Dr. / Evergreen Rd. (42.48011, -83.24083)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.7566	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Dubuque, IA Dubuque Co. United States	US 52 (SW Arterial - Seippel Rd.) / Chesterfield Dr. / US 20 EB ramps (42.47403, -90.75987)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2020	https://www.telegraphherald.com/news/tri-state/article_25dde05e-920f-5330-8d6f-356d16812f2d.html
Cedar Falls, IA Black Hawk Co. United States	W Ridgeway Ave / Chancellor Dr (42.47011, -92.45341)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 48.4535	Other (At-Grade) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.