Roundabouts Database Index

30321 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
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.
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	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
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.
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.
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
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.
(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.
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).
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
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.
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
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.
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).
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.
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.
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 / 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.
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.
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	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
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	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.
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	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.
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.
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.
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.
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.
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
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.
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.
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.
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. / 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. / 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. / 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.
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
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
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.
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).
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.
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)
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)
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)
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.
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.
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.
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
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
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)
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.
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.
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.
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.
(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.
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.
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.
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.
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.
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.
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.
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. / 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.
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.
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.
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. / 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.
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.
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/
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.
(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).
(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 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.
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.
Templeton, MA Worcester Co. United States	Rte 2A (Patriots Rd.) / N Main St. / S Main St. / Gardner Rd. (42.56238, -72.03744)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2024
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.
(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	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.
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.
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
(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.
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.
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	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.
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.
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.
Gardner, MA Worcester Co. United States	Central St. / Green St. / Pearl St. / Elm St. (42.57964, -71.98623)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2024
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
Commerce, MI Oakland Co. United States	Wixom Rd. / Sleeth Rd. / Wixom Trl. (42.58138, -83.56045)	Roundabout Unknown	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown	2026	2026 construction.
Mason, MI Ingham Co. United States	W Columbia Rd. / N Eifert Rd. / S Eifert Rd. (42.58207, -84.54266)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2025	Year Completed estimated (2023-2025). https://www.tiktok.com/@joshreviewsmason/video/7531497202968022285?_r=1&_t=ZT-8yML2KDMZT5
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.
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	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.
Sterling Heights, MI Macomb Co. United States	Utica Rd. / Dodge Park Rd. (42.59179, -83.01110)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.9629	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Functional Class: Arterial ICD estimated from Google Maps linework.
Lake Geneva, WI Walworth Co. United States	STH 50 / US 12 EB Ramps (42.59368, -88.41081)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.9954	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Danvers, MA Essex Co. United States	US 1 / I-95 Ramps (42.59378, -70.96350)	Rotary Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)
Lake Geneva, WI Walworth Co. United States	STH 50 / US 12 WB Ramps (42.59455, -88.40682)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.6181	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Holy Cross, IA Dubuque Co. United States	US 52 / Holy Cross Rd. (42.59513, -90.98652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2019	https://www.dyersvillecommercial.com/news/roundabout-completed-outside-of-holy-cross/image_abf4ba03-bd15-5801-928e-39c6e5ff2bfb.html
Twin Falls, ID Twin Falls Co. United States	Fillmore St. / Nielsen Point Pl. (42.59707, -114.45643)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.0800	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.