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
Sylvania, OH Lucas Co. United States	Brint Rd. / Mitchaw Rd. (41.70204, -83.76222)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.9930	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Sylvania Township, OH Lucas Co. United States	W Sylvania Ave. / Mitchaw Rd. (41.68780, -83.76150)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.6760	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	W Madison St. / Mount Vernon Ave. / Mount Pleasant Ave. / Eberwhite Blvd. (42.27355, -83.76147)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Pedestrian crossings adjacent to circulatory roadway on west, north, and east legs. https://www.mlive.com/news/ann-arbor/2023/10/check-out-ann-arbors-new-mini-neighborhood-roundabout-now-open-to-traffic.html
Ann Arbor, MI Washtenaw Co. United States	Red Oak Rd. / Mixtwood St. (42.29141, -83.76042)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-lane w/ Traversable Central Island	2023	Oval shaped. No splitter islands. https://www.mlive.com/news/ann-arbor/2023/11/ann-arbor-installs-another-mini-neighborhood-traffic-roundabout.html
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.
Perry, GA Houston Co. United States	(unknown) / (parking) (32.43653, -83.75816)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Northfield Township, MI Washtenaw Co. United States	N Territorial Rd. / US 23 SB Ramps (42.37952, -83.75786)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lane on west leg.
Byron, GA Peach Co. United States	Centerville Rd. / Walker Rd. / John E Sullivan Rd. (32.60656, -83.75755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2014	Add-lane right-turn bypass lane on east leg. Year Completed estimated (2013-2015).
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.
Northfield Township, MI Washtenaw Co. United States	N Territorial Rd. / US 23 NB Ramps (42.37969, -83.75634)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.6240	Freeway Ramps (Grade-Separated) Single-Lane	2017	Merging right-turn bypass lane on east leg.
Covington, GA Newton Co. United States	Perimeter College driveway (33.60535, -83.75550)	Other Existing	Uncontrolled None	2 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008).
Green Oak Township, MI Livingston Co. United States	Silver Lake Rd. / US 23 NB Ramps / Fieldcrest Dr. (42.46717, -83.75473)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)	2024	Combined a previous all-way stop and two-way stop into one roundabout. https://www.facebook.com/GreenOakPolice/videos/as-a-follow-up-to-our-previous-post-about-using-the-fieldcrest-roundabout-check-/988342009671510/
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.
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
Urbana, OH Champaign Co. United States	US 36 / US 68 / SR 29 / SR 54 / SR 55 (Main St. / Miami St. / Scioto St.) (40.10807, -83.75250)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 33.5277	Other (At-Grade) Single-Lane	2009	Original traffic circle was initially converted to roundabout in 2009 using signing/striping only, including striped splitter islands. In 2019, the conversion was completed, including concrete splitter islands, concrete truck apron, concrete pedestrian refuge islands, and RRFBs (rectangular rapid flashing beacons) at the crosswalks. 21442
Moultrie, GA Colquitt Co. United States	GA 37 / Cool Springs Rd. / Industrial Dr. (31.19359, -83.74938)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.facebook.com/GDOTSW/posts/this-is-the-new-roundabout-at-state-route-sr-37-and-cool-springs-roadindustrial-/1856561744512441/
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.
Pittsfield Township, MI Washtenaw Co. United States	Campus Pkwy. / Suncrest Dr. / (parking) (42.18764, -83.74729)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2002
Pittsfield Township, MI Washtenaw Co. United States	Campus Pkwy. / Community Dr. (42.18982, -83.74387)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2002
Sylvania, OH Lucas Co. United States	Brint Rd. / Centennial Rd. (41.70259, -83.74328)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.lucascountyengineer.org/brint--centennial-roundabout.html
Sylvania Township, OH Lucas Co. United States	Sylvania Ave. / Centennial Rd. (41.68821, -83.74265)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.4055	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Dorr St. / Centennial Rd. (41.65366, -83.74249)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5111	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	State St. / Ellsworth Rd. (42.22938, -83.73901)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Offset crosswalks.
York Township, MI Washtenaw Co. United States	W Bemis Rd. / Moon Rd. (42.17062, -83.73832)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.9936	Other (At-Grade) Single-lane w/ Traversable Central Island	2018
Waterville, OH Lucas Co. United States	Dutch Rd. / Waterville Monclova Rd. S (41.52198, -83.73779)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.6620	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Springfield Township, OH Lucas Co. United States	Albon Rd. / Garden Rd. (41.59562, -83.73751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.lucascountyengineer.org/gardenalbonroundaboutopens.html
Ann Arbor, MI Washtenaw Co. United States	Broadway St. / (unknown) / (parking) (42.29022, -83.73723)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.2880	Other (At-Grade) Single-lane w/ Traversable Central Island	2020
Monclova, OH Lucas Co. United States	Watercille-Monclova Rd. / Stitt Rd. (41.53679, -83.73300)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0777	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Waterville, OH Lucas Co. United States	Dutch Rd. / Waterville-Monclova Rd. N (41.52200, -83.73283)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.2388	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	E Ann St / Observatory St. / (hospital access) (42.28240, -83.73114)	Roundabout Existing	All-Way Yield None	2 Approaches 3 Driveways 33.5280	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2007).
Middlesboro, KY Bell Co. United States	SR 2079 (Winchester Ave.) / SR 2401 (S Petersborough Ave.) (36.60367, -83.72960)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.3360	Other (At-Grade) Single-lane w/ Traversable Central Island	2022
Macon, GA Bibb Co. United States	University Pkwy. / Romeiser Dr. (32.80922, -83.72938)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mga.edu/news/2020/08/macon-campus-roundabout-opens.php
Social Circle, GA Walton Co. United States	W Hightower Trl. / Alcova Dr. (33.66042, -83.72509)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.8166	Other (At-Grade) Unknown	2017	ICD estimated from Google Maps linework.
Fenton, MI Genesee Co. United States	North Rd. / Torrey Rd. / (gas station access) (42.80472, -83.72443)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6687	Other (At-Grade) Single-Lane	2019	100-ft inscribed circle diameter. Opened November 2019. https://www.thelascopress.com/2019/11/fentons-first-roundabout-is-open-for-business/ . ICD estimated from Google Maps linework.
Sylvania Township, OH Lucas Co. United States	Brint Rd. / N King Rd. (41.70285, -83.72376)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5594	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Flint, MI Genesee Co. United States	W Bristol Rd. / I-75 NB Ramps / / David St. (42.97349, -83.72376)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 41.9450	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	King Rd. / Dorr St. (41.65384, -83.72302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.4796	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Springfield, OH Lucas Co. United States	King Rd. / Nebraska Ave. (41.64652, -83.72299)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5914	Other (At-Grade) Single-Lane	2009	Opened August 2009. ICD estimated from Google Maps linework.
Springfield Township, OH Lucas Co. United States	Angola Rd. / King Rd. (41.62495, -83.72279)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.13abc.com/2022/08/23/roundabout-construction-angola-king-begins-august-29/
Macon, GA Bibb Co. United States	US 32 (Riverside Dr.) / Bass Rd. / Arkwright Rd. (32.93662, -83.71736)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.0521	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	ICD estimated from Google Maps linework.
Monclova Township, OH Lucas Co. United States	Salisbury Rd. / Holloway Rd. / Hidden Ridge Dr. (41.58406, -83.71315)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.facebook.com/story.php/?story_fbid=930610322439407&id=100064713420627&_rdr
Perrysburg, OH Wood Co. United States	W River Rd. / Mechanic St. (41.49972, -83.70946)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.7801	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	Nixon Rd. / Dhu Varren Rd. / Green Rd. (42.31702, -83.70779)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5760	Other (At-Grade) Single-Lane	2017
Ann Arbor, MI Washtenaw Co. United States	Huron Pkwy. / Nixon Rd. (42.30516, -83.70748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2009
Holland, OH Lucas Co. United States	S McCord Rd. / Hall St. / N Mall Dr. (41.61732, -83.70336)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 49.1082	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Toledo, OH Lucas Co. United States	Dorr St. / McCord Rd. (41.65399, -83.70287)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.1960	Other (At-Grade) Single-Lane	2020	Right-turn-only lanes on all legs.
Jefferson, GA Jackson Co. United States	Traditions Way / Sanctuary Way (34.07650, -83.70251)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Toledo, OH Lucas Co. United States	W Bancroft St. / N McCord Rd. (41.66042, -83.70225)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2024	https://www.lucascountyengineer.org/2024-bancroft-and-mccord-roundabout.html
Toledo, OH Lucas Co. United States	Dorr St. / (unknown) (41.65392, -83.69908)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 54.8640	Other (At-Grade) Multilane (2 Lane, unspecified)	2020
Hoschton, GA Jackson Co. United States	Freedom Pkwy. / Liberty Bell Run (34.10460, -83.69838)	Other Existing	Uncontrolled Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands on two legs; no control.
(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).
Mansfield, GA Newton Co. United States	Mattie Ct. (33.58092, -83.69798)	Traffic Calming Circle Existing	Uncontrolled Unknown	2 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
(unincorporated), GA Hall Co. United States	(unknown) / (unknown) (34.43486, -83.69755)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Monroe, GA Walton Co. United States	Georgia Ave. (33.79830, -83.69644)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2009	Sidewalk moved closer to circulatory roadway 2015-2017. Parking lot of courthouse/government building.
Toledo, OH Lucas Co. United States	Dorr St. / I-475 SB Ramps (41.65389, -83.69585)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	https://www.youtube.com/watch?v=FYQr1t7Vliw
Jefferson, GA Jackson Co. United States	Traditions Way / Cotton Gin Row / Delaperriere Loop (34.09591, -83.69507)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Toledo, OH Lucas Co. United States	Dorr St. / I-475 NB Ramps (41.65382, -83.69411)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2021	https://www.youtube.com/watch?v=FYQr1t7Vliw.
Ottawa Lake, MI Monroe Co. United States	St Anthony Rd. / US 23 SB Ramps (41.79802, -83.69021)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 35.6148	Freeway Ramps (Grade-Separated) Single-Lane	2013	Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Ottawa Lake, MI Monroe Co. United States	St Anthony Rd. / US 23 NB Ramps (41.79823, -83.68614)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 39.1762	Freeway Ramps (Grade-Separated) Single-Lane	2013	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	Geddes Rd. / Earhart Rd. (42.27460, -83.68216)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2011	At Concordia College campus.
North Baltimore, OH Wood Co. United States	S Main St. / Briar Hill Rd. (41.17336, -83.67920)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 29.6669	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
Ann Arbor, MI Washtenaw Co. United States	Geddes Rd. / US 23 SB Ramps (42.27450, -83.67833)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2440	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	Add-lane right-turn bypass lane in northwest quadrant.
Winder, GA Barrow Co. United States	Jefferson Hwy. (GA 11-GA 211) / GA 211 / Rockwell Church Rd. (34.02523, -83.67649)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2024	Opened to traffic Dec 2023; construction completed 2024.
Perrysburg, OH Wood Co. United States	Roachton Rd. / Hull Prairie Rd. (41.52210, -83.67484)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2018).
Pendergrass, GA Jackson Co. United States	Brooks Village Dr. / Holliman Cir. (34.15275, -83.67444)	Other Existing	Unknown Unknown	3 Approaches 9 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Ann Arbor, MI Washtenaw Co. United States	Geddes Rd. / US 23 NB Ramps (42.27440, -83.67437)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.6720	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011
Findlay, OH Hancock Co. United States	Lima Ave. / US 68-SR 15 EB On-ramp / I-75 Off-ramp (41.02305, -83.66838)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://socialfindlay.com/lima-ave-roundabout/
Findlay, OH Hancock Co. United States	Lima Ave. / US 68-SR 15 WB Off-ramp / I-75 On-ramp (41.02393, -83.66688)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://socialfindlay.com/lima-ave-roundabout/
Salem Township, MI Washtenaw Co. United States	N Territorial Rd. E / Pontiac Trl. (42.36546, -83.65682)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.wcroads.org/wcrc-project/pontiac-tr-n-territorial-rd-roundabout/
Maumee, OH Lucas Co. United States	Gibbs St. / E Indiana Ave. (41.56754, -83.65429)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.8600	Other (At-Grade) Single-Lane	2023	https://www.wtol.com/article/traffic/gibbst-street-roundabout-reopened-indiana-avenue-maumee-construction-traffic-local-news-ohio/512-75b4cf3f-e968-4457-9181-ecc388ae8535
Grand Blanc, MI Genesee Co. United States	S Dort Hwy. / I-75 SB Ramps (42.90437, -83.65300)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Grand Blanc, MI Genesee Co. United States	E Cook Rd. / Dort Hwy. (42.90188, -83.65195)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Grand Blanc, MI Genesee Co. United States	S Dort Hwy. / I-75 NB Ramps (42.90822, -83.64880)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2020	https://www.mlive.com/news/flint/2020/11/dort-highway-extension-roundabouts-now-open-to-traffic.html
Perrysburg, OH Wood Co. United States	Levis Commons Blvd. / Michael Owens Way / (parking) (41.52755, -83.64729)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2007	Pedestrian crossings at unmarked entrance lines. No splitter islands on east and west legs.
Grand Blanc, MI Genesee Co. United States	E Grand Blanc Rd. / Embury Rd. (42.91693, -83.64652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	https://www.abc12.com/news/grand-blanc-road-reopens-following-roundabout-construction-project/article_39b8087a-3083-5a44-b841-c1872cfd8918.html.
Salem, MI Washtenaw Co. United States	Pontiac Trl. / 7 Mile Rd. (42.41368, -83.64647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2020	https://www.wcroads.org/wcrc-project/pontiac-trail-and-7-mile-road-roundabout/
Toledo, OH Lucas Co. United States	Wenz Rd. / South Ave. (41.63093, -83.64538)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2021).
Macon, GA Bibb Co. United States	Oglethorpe St. / College St. (32.83378, -83.64483)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.0600	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Perrysburg, OH Wood Co. United States	Levis Commons Blvd. / Hollister Ln. (41.52758, -83.64406)	Other Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2008	Pedestrian access to central island. Crosswalks located at unmarked roundabout entrance lines.
Perrysburg, OH Wood Co. United States	N Wilkinson Way / Hollister Ln. (41.52993, -83.64403)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.1403	Other (At-Grade) Single-Lane	2007	Replaced triangular set of intersections. ICD estimated from Google Maps linework.
Ypsilanti, MI Washtenaw Co. United States	Geddes Rd. / Superior Rd. (42.27492, -83.63755)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.9600	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Merging right-turn bypass lane in northeast quadrant.
Bowling Green, OH Wood Co. United States	Napoleon Rd. / Campbell Hill Rd. (41.36356, -83.62468)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://bgindependentmedia.org/new-roundabout-in-bg-to-reduce-crashes-at-campbell-hill-and-napoleon-roads/
Bowling Green, OH Wood Co. United States	SR 64 (E Wooster St.) / Campbell Hill Rd. / Alumni Dr. (41.37449, -83.62357)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2023	https://bgindependentmedia.org/another-learning-curve-in-bg-this-one-a-multi-lane-roundabout/
Ypsilanti, MI Washtenaw Co. United States	Textile Rd. / Stony Creek Rd. (42.20172, -83.62311)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2016
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.
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.
Ypsilanti, MI Washtenaw Co. United States	Textile Rd. / Hitchingham Rd. (42.20169, -83.62088)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-lane w/ Traversable Central Island	2015
Ypsilanti, MI Washtenaw Co. United States	Whittaker Rd. / Stony Creek Rd. (42.20999, -83.61936)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.4632	Unknown Multilane (2 Lane, unspecified)	2010	Fourth leg serves parking lot.
Bowling Green, OH Wood Co. United States	E Wooster St. / I-75 SB Ramps (41.37453, -83.61786)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0567	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://nbc24.com/news/local/wooster-street-roundabouts-to-open-in-bowling-green. ICD estimated from Google Maps linework.
Kathleen, GA Houston Co. United States	US 129-GA 247 / GA 247 Spur (32.46633, -83.61616)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	Replaced complex channelized set of intersections. https://www.youtube.com/watch?v=ktmvs4pKAdU.
Jefferson, GA Jackson Co. United States	GA 11 / GA 124 (34.09190, -83.61570)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2012	Painted splitter islands. Year Completed estimated (2011-2013).
Toledo, OH Lucas Co. United States	S Detroit Ave. / S Byrne Rd. / Devonshire Rd. (41.58965, -83.61533)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 11.6124	Other (At-Grade) Single-Lane	2019	https://www.toledoblade.com/local/transportation/2019/06/26/south-toledo-detroit-byrne-devonshire-roundabout-opens-road-construction/stories/20190625178 ICD estimated from Google Maps linework.
Bowling Green, OH Wood Co. United States	E Wooster St. / I-75 NB Ramps (41.37445, -83.61400)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.0568	Freeway Ramps (Grade-Separated) Single-Lane	2019	https://nbc24.com/news/local/wooster-street-roundabouts-to-open-in-bowling-green. ICD estimated from Google Maps linework.
Perrysburg, OH Wood Co. United States	McCutchenville Pike / Carronade Dr. (41.53419, -83.61252)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2018).
Perrysburg, OH Wood Co. United States	Eckel Junction Rd. / Carronade Dr. (41.53663, -83.61085)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.9258	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Warner Robins, GA Houston Co. United States	University Blvd. / Martin Luther King Jr Blvd. (32.61346, -83.60892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.1985	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Ypsilanti, MI Washtenaw Co. United States	Whittaker Rd. / Merrit Rd. (42.18812, -83.60861)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.7680	Other (At-Grade) Single-Lane	2016	Replaced skewed intersection.
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.
Perrysburg, OH Wood Co. United States	SR 199 (McCutchenville Pike) / Roachton Rd. (41.52196, -83.60449)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0852	Other (At-Grade) Single-Lane	2016	WOO-199-27.97 PID 96355 E131324 ICD estimated from Google Maps linework.