Roundabouts Database Index

28784 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
Aurora, ON York Canada	Mavrinac Blvd. / Borealis Ave. / Tonner Crescent (44.01396, -79.43669)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009
Bend, OR Deschutes Co. United States	SE 15th St. / SE Caldera Dr. (44.01354, -121.28410)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6720	Other (At-Grade) Single-Lane	2021	https://ktvz.com/news/bend/2021/08/06/city-of-bend-road-and-traffic-report-week-of-august-9-15/
Bend, OR Deschutes Co. United States	SW River Rim Dr. (44.01291, -121.35268)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Aurora, ON York Canada	Borealis Ave. / Conover Ave. (44.01283, -79.44224)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
Bend, OR Deschutes Co. United States	SW Golden Meadow Loop (44.01239, -121.35331)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Middlebury, VT Addison Co. United States	Main St. / Cross St. (44.01210, -73.16957)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.9096	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Aurora, ON York Canada	Hollidge Blvd. / John West Way (44.01147, -79.45102)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1996-2002).
Aurora, ON York Canada	River Ridge Blvd. / Mavrinac Blvd. (44.01125, -79.43539)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2009
Aurora, ON York Canada	Hollandview Trl. / Woodruff Crescent / Hollidge Blvd. (44.01096, -79.45395)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0000	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1996-2002).
Oshkosh, WI Winnebago Co. United States	W 9th Ave. / US 41 SB Ramps (44.01089, -88.58318)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2011
Oshkosh, WI Winnebago Co. United States	W 9th Ave. / S Washburn St. (44.01085, -88.58483)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2011
Oshkosh, WI Winnebago Co. United States	W 9th Ave. / S Koeller St. (44.01079, -88.57978)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.2920	Other (At-Grade) Multilane (2 Lane, 2x2 max)	2011
Oshkosh, WI Winnebago Co. United States	W 9th Ave. / US 41 NB Ramps (44.01078, -88.58145)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)	2011
Aurora, ON York Canada	River Ridge Blvd. / Conover Ave. (44.01004, -79.44110)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2004	Year Completed estimated (2002-2005).
Rochester, MN Olmstead Co. United States	Fox Valley Dr. / Fox Knoll Dr. SW (44.00954, -92.50074)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.7826	Other (At-Grade) Single-Lane	2000	Previously controlled by new Functional Class: Local ICD estimated from Google Maps linework.
Bend, OR Deschutes Co. United States	SE 15th St. / SE Knott Rd. (44.00796, -121.28410)	Roundabout Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Unknown	2020
Bend, OR Deschutes United States	SE Stonegate Dr. / SE Rolled Rock Way / SE Addie Triplett Loop (44.00734, -121.31987)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.4320	Other (At-Grade) Single-Lane	2006
Bend, OR Deschutes United States	SE Stonegate Dr. / SE Hedgewood Ln. / Addie Tripplett Loop (44.00642, -121.32106)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.5280	Other (At-Grade) Single-Lane	2006
Middlebury, VT Addison Co. United States	Lacrosse Dr. / S Village Green / Cottage Ln. (44.00243, -73.15888)	Other Existing	Uncontrolled Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
King City, ON York Canada	Lloydtown-Aurora Rd. (Hwy 16) / Keele St. (Hwy 6) (44.00132, -79.54751)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.9554	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Rochester, MN Olmsted United States	16th St. SW / (driveways) (44.00112, -92.47502)	Other Existing	All-Way Yield None	1 Approaches 3 Driveways 36.5760	Other (At-Grade) Single-Lane	2017	No splitter islands on three legs. Functions as cul-de-sac.
Whitchurch-Stouffville, ON York Canada	Hwy 40 (Bloomington Rd.) / Hwy 48 (44.00082, -79.28902)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 52.4061	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Eyota, MN Olmsted Co. United States	US 14 / STH 42 (43.99905, -92.24917)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.8022	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Picton, ON Prince Edward Canada	Loyalist Pkwy. / Sandy Hook Rd. (43.99449, -77.17838)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.3828	Other (At-Grade) Single-Lane	2009	This was the first highway roundabout in Ontario. Constructed in 2009. https://www.auto123.com/en/news/ontarios-first-roundabout-intersection-opens-near-picton/5652/ ICD estimated from Google Maps linework.
Pamelia, NY Jefferson Co. United States	US 11 / Mill St. / (parking) (43.99425, -75.90456)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2021	Replaced stop-controlled, scissors-type intersection. https://www.wwnytv.com/2021/12/07/traffic-flowing-around-route-11-roundabout/
Vidin, Vidin Vidin Bulgaria	bulevard Panoniya / ulitsa Akademik Stefan Mladenov (43.99316, 22.86607)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whitchurch-Stouffville, ON York Canada	Forsyth Farm Dr. / Flute St. / Penndutch Cir. (43.98297, -79.23744)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7812	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
St James, MN Watonwan Co. United States	1st Ave. S / 7th St. S (43.98246, -94.62703)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 11.1720	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	ICD estimated from Google Maps linework.
St James, MN Watonwan Co. United States	1st Ave. S / Armstrong Blvd. N (43.98198, -94.62838)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 13.7502	Other (At-Grade) Single-lane w/ Traversable Central Island	2017	ICD estimated from Google Maps linework.
Watertown, NY Jefferson Co. United States	Gaffney Dr. / Commerce Park Dr. / Western Blvd. (43.98164, -75.94248)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.1480	Other (At-Grade) Single-Lane	2020
Whitchurch-Stouffville, ON York Canada	Ninth Line / Bayberry St. / Baker Hill Blvd. (43.98000, -79.25804)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.6579	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Baker Hill Blvd. / Prince George Ave. / Glad Park Ave. (43.97897, -79.26096)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2018-2020).
Whitchurch-Stouffville, ON York Canada	W Lawn Crescent / Creekland Ave. (43.97676, -79.26308)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.4704	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	ICD estimated from Google Maps linework.
Kuancheng District, Jilin Changchun China	Longxiang Plaza (43.97609, 125.38492)	Other Existing	Unknown Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (3+ Lane)
Whitchurch-Stouffville, ON York Canada	Baker Hill Blvd. / Brownsberger Rd. (43.97580, -79.27341)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.3628	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Cobourg, ON Northumberland Canada	D'Arcy St. / (community center and park access) (43.97548, -78.16171)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6604	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011 - streetview). ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Millard St. / W Lawn Crescent (43.97458, -79.26216)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0659	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Cobourg, ON Northumberland Canada	D'Arcy St. / (community center parking) (43.97234, -78.16030)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.3811	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011 - streetview). ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Spofford Dr/Baker Hill Blvd/Bellcastle Gate (43.97216, -79.27581)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.0000	Other (At-Grade) Single-Lane	2020
Whitchurch-Stouffville, ON York Canada	Hoover Park Dr. / Salix Ave. / Greendale Ave. (43.97037, -79.22233)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.2249	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2015). ICD estimated from Google Maps linework.
Holmen, WI La Crosse Co. United States	McHugh Rd. / Briggs Rd. (43.97023, -91.28046)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.wxow.com/news/holmen-roundabout-construction-complete/article_3c823e00-36e1-11ee-8b3f-5b98b9378dcb.html
Whitchurch-Stouffville, ON York Canada	Millard St. / Baker Hill Blvd. (43.97001, -79.27600)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3486	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Hoover Park Dr. / 10th Line (43.96791, -79.23045)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 17.1919	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011 - streetview) ICD estimated from Google Maps linework.
Watertown, NY Jefferson Co. United States	Park Circle (43.96723, -75.88971)	Other Existing	Other Unknown	5 Approaches 0 Driveways 0.0000	Other (At-Grade) Unknown		Mix of stop and yield control.
Whitchurch-Stouffville, ON York Canada	Mantle Ave. / Yakefarm Blvd. (43.96608, -79.22303)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7886	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Mantle Ave. / Sunnyridge Ave. (43.96521, -79.22663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 23.2101	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	10th Line / Mantle Ave. (43.96457, -79.22970)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 12.8946	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011 streetview) ICD estimated from Google Maps linework.
Oshawa, ON Durham Canada	Bridle Rd. / Gulfstream Dr. (43.96215, -78.89170)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.1064	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Whitchurch-Stouffville, ON York Canada	Reeves Way Blvd. / Richard Underhill Ave. (43.96117, -79.24228)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 26.6504	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Oshawa, ON Durham Canada	Steeplechase St. / Sharavogue Ave. (43.95894, -78.89689)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0722	Other (At-Grade) Single-Lane	2014	Central island completed 2014; splitter islands added 2018-2019. ICD estimated from Google Maps linework.
Rochester, MN Olmsted United States	Simpson Rd. SE / 45th St. SE (43.95655, -92.42586)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.9392	Other (At-Grade) Single-Lane	2022
Oshawa, ON Durham Canada	Britannia Ave. / Bridle Rd. (43.95601, -78.89312)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 36.9699	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Holmen, WI La Crosse Co. United States	S Main St. / Gaarder Rd. (43.95575, -91.25784)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2020	Elliptical shaped. ICD = 170 ft x 150 ft. Previous Control Type was stop-controlled on north, east, and south legs and uncontrolled on west leg. https://www.facebook.com/VillageofHolmen/posts/the-welcome-to-holmen-monument-and-the-new-maingaarder-roundabout-was-officially/1734935679978065/
Oshawa, ON Durham Canada	Northern Dancer Dr. / Hackett Pl. / Solar Pl. (43.95353, -78.89052)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 30.0930	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Oshawa, ON Durham Canada	Bridle Rd. / Northern Dancer Dr. (43.95341, -78.89266)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.3921	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2005-2009). ICD estimated from Google Maps linework.
Markham, ON Durham Canada	York Durham Line / Durham 5 / Regional Road 30 (43.95328, -79.21416)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.4108	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2009-2014). ICD estimated from Google Maps linework.
Rochester, MN Olmsted Co. United States	48th St. SW / Commercial Dr. SW (43.95305, -92.47263)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2023
Oshawa, ON Durham Canada	Secretariat Ave. / Woodbine Ave. (43.95049, -78.89431)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.6741	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2005=2009). ICD estimated from Google Maps linework.
Standish, MI Arenac Co. United States	US 23 / M-13 (43.95018, -83.96713)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.2920	Other (At-Grade) Single-Lane	2022	Grade separation replaced with roundabout. https://www.upnorthvoice.com/news/2022/03/us-23-at-standish-to-undergo-major-construction-this-summer-2/
Oshawa, ON Durham Canada	Conlin Rd. W / Thornton Rd. N (43.94367, -78.91589)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.1372	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Sparta, WI Monroe Co. United States	STH 16 / STH 71 / Hardwood Rd. (43.94078, -90.78544)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.7996	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Sparta, WI Monroe Co. United States	S Black River St. (STH 27) / River Rd. (43.93267, -90.82053)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4248	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Mikhaylovka, Primorye Mikhaylovsky District Russia	AH30 / Leninskaya ulitsa (43.92603, 131.99993)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Onalaska, WI La Crosse Co. United States	Sand Lake Rd. / County Hwy OT (43.92355, -91.23538)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2019
Kiel, WI Manitowoc Co. United States	STH 67 / CTH AA (E Park Ave.-Rockville Rd.) (43.92072, -88.02247)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4329	Other (At-Grade) Single-Lane	2009	Opened October 2009. ICD estimated from Google Maps linework.
Čačak, Centralna Srbija Moravički Okrug Serbia	A2 / E763 / SR 22 (43.91895, 20.40803)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Rochester, MN Olmsted Co. United States	CR 16 / US 63 SB Ramps (43.91688, -92.47837)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 34.4132	Freeway Ramps (Grade-Separated) Single-Lane	2016	Raindrop shape. ICD estimated from Google Maps linework.
Rochester, MN Olmsted Co. United States	CR 16 / US 63 NB Ramps (43.91673, -92.47618)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.6927	Freeway Ramps (Grade-Separated) Single-Lane	2016	Raindrop shape. ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Shadow Falls Dr. (43.91635, -79.43746)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 20.6481	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Arden Valley St. (43.91533, -79.44181)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 23.2295	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Tower Hill Rd. / Mockingbird Dr. / Wicker Dr. (43.91512, -79.45624)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0900	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Tower Hill Rd. / Rollinghill Rd. (43.91406, -79.46109)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.0904	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Tower Hill Rd. / Selwyn Rd. (43.91400, -79.46930)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.5093	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Sunriver, OR Deschutes Co. United States	Circle #7 (43.91307, -121.43810)	Other Existing	Unknown None	3 Approaches 0 Driveways 69.6913	Other (At-Grade) Single-Lane	1968	Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Jefferson Forest Dr. / Mancini Crescent / Magdalene Crescent (43.91246, -79.43237)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.5326	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Selwyn Rd. / Alpaca Dr. / Heathside Ave. (43.91005, -79.46813)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 25.8129	Other (At-Grade) Single-Lane	2007	ICD estimated from Google Maps linework.
Onalaska, WI La Crosse Co. United States	STH 35 / Mason St. (43.90999, -91.24578)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 41.3007	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Kiel, WI Manitowoc Co. United States	STH 67-STH 32 / STH 57 (43.90986, -88.02251)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.0446	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Opened November 13, 2009. Functional Class: Arterial ICD estimated from Google Maps linework.
Richmond Hill, ON York Canada	Rollinghill Rd. / Glenis Gate (43.90960, -79.45317)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.9526	Other (At-Grade) Single-Lane	2002	Year Completed estimated (2002 or perhaps a year or two earlier). ICD estimated from Google Maps linework.
Onalaska, WI La Crosse Co. United States	STH 35 / Riders Club Rd. / Sunset Vista Rd. (43.90711, -91.24497)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 43.0236	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Bath, ME Sagadahoc Co. United States	State Rd. / Congress Ave. (43.90587, -69.83261)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.8381	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Onalaska, WI La Crosse Co. United States	Sand Lake Rd. / Riders Club Rd. (43.90548, -91.22078)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.7692	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Bowmanville, ON Durham Canada	Green Rd. / Clarington Blvd. / Boswell Dr. (43.90509, -78.71026)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.0000	Other (At-Grade) Single-Lane	2019	East leg added with construction of roundabout. Year Completed estimated (2018-2019).
Sunriver, OR Deschutes Co. United States	Circle #6 (43.90435, -121.43830)	Other Existing	Unknown None	4 Approaches 0 Driveways 79.1671	Other (At-Grade) Single-Lane	1968	Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Sunriver, OR Deschutes Co. United States	Circle #9 (43.90348, -121.42740)	Other Existing	Unknown None	0 Approaches 0 Driveways 84.3314	Other (At-Grade) Single-Lane		Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Bowmanville, ON Durham Canada	Green Rd. / Aspen Springs Dr. (43.90213, -78.70898)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 24.9558	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Pistoia, Tuscany Pistoia Italy	SP9 / (Via di Montalbano connector) (43.90093, 10.92010)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x1 max)
Richmond Hill, ON York Canada	Rothbury Rd. / Ridgestone Dr. / Tentone Ct. (43.90050, -79.45136)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.0959	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2009-2013). ICD estimated from Google Maps linework.
Ajax, ON Durham Canada	Boyd Crescent / Ryder Crescent (43.90018, -79.01309)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.7017	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Whitby, ON Durham Canada	Des Newman Blvd. / Twin Streams Rd. (43.89968, -78.98829)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.0000	Other (At-Grade) Single-Lane	2020	Year Completed estimated (2019-2020).
Bolton, ON Peel Canada	ON Hwy 50 / Emil Kolb Pkwy. (43.89884, -79.76481)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.7990	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Sunriver, OR Deschutes Co. United States	Circle #10 (43.89851, -121.42340)	Other Existing	Unknown None	0 Approaches 0 Driveways 86.0596	Other (At-Grade) Single-Lane		Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Bowmanville, ON Durham Canada	Remmington St. / Green Rd. (43.89809, -78.70723)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 24.0969	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Ajax, ON Durham Canada	Williamson Dr. / Warner Dr. / Seward Crescent (43.89788, -79.01488)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.0000	Other (At-Grade) Single-Lane	2005
Sunriver, OR Deschutes Co. United States	Circle #5 (43.89635, -121.44420)	Other Existing	Unknown None	4 Approaches 0 Driveways 61.1046	Other (At-Grade) Single-Lane	1968	Completed 1968? Functional Class: Collector ICD estimated from Google Maps linework.
Markham, ON York Canada	Swan Lake Blvd. / Lakeside Vista Way. (43.89623, -79.25077)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.0000	Other (At-Grade) Single-Lane	2001	Year Completed estimated (2000-2001).
Ajax, ON Durham Canada	Williamson Dr. E / Gillett Dr. (43.89564, -79.02358)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.9830	Other (At-Grade) Single-Lane	2006	Year Completed estimated (2004-2009). ICD estimated from Google Maps linework.
Markham, ON York Region Canada	Prospectors Dr. / The Fairways (43.89400, -79.32079)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 24.0985	Other (At-Grade) Single-Lane	2004	Functional Class: Local ICD estimated from Google Maps linework.
Ajax, ON Durham Canada	Williamson Dr. E / Middlecote Dr. (43.89247, -79.03166)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.7060	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Maps linework.
Markham, ON York Canada	Angus Glen Blvd. / Berkshire Crescent / Glengordon Crescent (43.89220, -79.33385)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.5420	Other (At-Grade) Single-Lane	2009	Usable in 2009; finished 2016. ICD estimated from Google Maps linework.