Roundabouts Database

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
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.
Pascagoula, MS
Jackson Co.
United States 		Hospital Rd. / Old Mobile Hwy.
(30.36849, -88.53333) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
88.6193 		Other (At-Grade)
Single-Lane 		2017 http://cityofpascagoula.com/482/Hospital-Road-Improvements ICD estimated from Google Maps linework.
Tallahassee, FL
Leon Co.
United States 		Bannerman Rd. / Beech Ridge Trl.
(30.56320, -84.21951) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.3348 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Upper Allen Township, PA
Cumberland Co.
United States 		W Lisburn Rd. / Grantham Rd.
(40.16298, -76.99018) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
16.4290 		Other (At-Grade)
Single-Lane 		2018 https://www.abc27.com/news/top-video/new-traffic-circle-opens-in-upper-allen_20181003215307/1495637846 ICD estimated from Google Maps linework.
Cranberry Township, PA
Butler Co.
United States 		N Boundary Rd. / Marshall Rd.
(40.72428, -80.10002) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
19.9129 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Berthoud, CO
Larimer Co.
United States 		N Berthoud Pkwy. / Woodcock St.
(40.34689, -105.09527) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.4098 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Fourth approach stubbed. Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Gettysburg, PA
Adams Co.
United States 		Lincoln Square (Chamberburg St. / York St. / Carlisle St. / Baltimore St.)
(39.83092, -77.23112) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.1838 		Other (At-Grade)
Single-Lane 		Diagonal parking around circulatory roadway; pedestrian access to center island; no splitter islands. ICD estimated from Google Maps linework.
Concord, VA
Campbell Co.
United States 		Village Hwy. / Doss Rd. / Spring Mill Rd.
(37.33438, -78.98112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2019).
West Henderson, NV
Clark Co.
United States 		Bicentennial Pkwy. / Via Inspirada
(35.94042, -115.13329) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
38.6785 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Peanut shape. ICD estimated from Google Maps linework.
Sherbrooke, QC
Sherbrooke
Canada 		Route 112 / Autoroute 610
(45.42954, -71.82424) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
56.9951 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Free-flowing right-turn bypass lanes on all legs. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Waterville, QC
Coaticook Regional County Municipality
Canada 		Route Gilbert-Hyatt (Rte 108-Rte 143) / Rte 147
(45.34374, -71.86662) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.6507 		Other (At-Grade)
Single-Lane 		2011 Year Completed based on Streetview. ICD estimated from Google Maps linework.
Lennoxville, QC
Sherbrooke
Canada 		Rte 108 / Autoroute 410 WB Onramp
(45.35581, -71.86037) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
52.8732 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Future third approach (off-ramp) stubbed. ICD estimated from Google Maps linework.
Lennoxville, QC
Sherbrooke
Canada 		Rte 108 / Autoroute 410 EB Offramp
(45.35401, -71.86207) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
52.8749 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Fourth leg (future on-ramp) stubbed. ICD estimated from Google Maps linework.
Hatley Canton, QC
Memphrémagog Regional County Municipality
Canada 		Rue Belvédère / Autoroute 410 WB Ramps
(45.36010, -71.89496) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.9597 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Hatley Canton, QC
Memphrémagog Regional County Municipality
Canada 		Rue Belvédère / Autoroute 410 EB Ramps
(45.35780, -71.89470) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.4437 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
West Friendship, MD
Howard Co.
United States 		Burntwoods Rd. / Andrea Dr. / MD 32 NB Ramps
(39.27321, -76.98627) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1338 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Glenelg, MD
Howard Co.
United States 		Burntwoods Rd. / Ten Oaks Rd.
(39.27315, -76.98805) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9075 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Glenelg, MD
Howard Co.
United States 		Ten Oaks Rd. / Pfefferkorn Rd. / MD 32 SB Ramps
(39.27615, -76.98641) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.3587 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Glenwood, MD
Howard Co.
United States 		Burntwoods Rd. / Sharp Rd.
(39.27702, -77.00369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5847 		Other (At-Grade)
Single-Lane 		2006 Adjacent to Glenelg High School. ICD estimated from Google Maps linework.
Portage, WI
Columbia Co.
United States 		W Wisconsin St. (STH 16) / Columbia Dr. (STH 127) / I-39 SB Ramps
(43.56023, -89.49496) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.9282 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2018 https://www.wiscnews.com/portagedailyregister/news/local/dot-nearly-ready-to-open-portage-s-first-roundabout-to/article_bdd0df9d-4e73-52b4-99de-252ab92cf7c8.html#4 ICD estimated from Google Maps linework.
DeForest, WI
Dane Co.
United States 		CR V / US 51 NB Ramps
(43.25270, -89.32322) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.0214 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework.
Windsor, WI
Dane Co.
United States 		CR V / US 51 SB Ramps
(43.25275, -89.32500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.9732 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework.
DeForest, WI
Dane Co.
United States 		CR V (E North St.) / North Towne Rd. / Ball Ct.
(43.25277, -89.32677) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.8431 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 date: https://www.oesllc.com/portfolio-items/ush-51-expansion-and-interchange-madison-deforest-dane-county-wi/ ICD estimated from Google Maps linework.
Windsor, WI
Dane Co.
United States 		Windsor Rd. / US 51 NB Ramps
(43.21629, -89.32191) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.3902 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2013-2014). Under construction in 2013 per Streetview. ICD estimated from Google Maps linework.
Windsor, WI
Dane Co.
United States 		Windsor Rd. / US 51 SB Ramps
(43.21641, -89.32400) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.2973 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Windsor, WI
Dane Co.
United States 		Windsor Rd. / N Towne Rd.
(43.21636, -89.32789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9085 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Dale, WI
Outagamie Co.
United States 		US 45 / STH 96 (Wisconsin Rd.)
(44.27234, -88.73946) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.0622 		Other (At-Grade)
Single-Lane 		2018 date: https://www.whby.com/2018/04/15/roundabout-project-to-start-at-hwys-45-96/# ICD estimated from Google Maps linework.
Highland, IL
Madison Co.
United States 		Broadway / Poplar St.
(38.73957, -89.67148) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.7156 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
O'Fallon, IL
St. Clair Co.
United States 		Milburn School Rd. / Merriam Pkwy. / Milburn Estates Dr.
(38.61429, -89.94506) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1966 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
O'Fallon, IL
St. Clair Co.
United States 		Old Vincennes Trl. / Seven Hills Rd. / E State St.
(38.59342, -89.89246) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.4056 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Marion, IL
Williamson Co.
United States 		N Russell St. / W Boulevard St.
(37.73692, -88.94186) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8347 		Other (At-Grade)
Single-Lane 		2015 date: https://www.kfvs12.com/story/29497509/marion-to-install-roundabout-at-busy-intersection/ ICD estimated from Google Maps linework.
Aurora, IL
Kane Co.
United States 		Sullivan Rd. / N Highland Ave.
(41.78864, -88.32894) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.4960 		Other (At-Grade)
Single-Lane 		2016 date: https://www.linkedin.com/pulse/new-roundabout-opens-aurora-il-kevin-kassay ICD estimated from Google Maps linework.
Sugar Grove, IL
Kane Co.
United States 		Dugan Rd. / Granart Rd. / Bucktail Ln.
(41.76143, -88.48939) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.5260 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 date: https://www.kcchronicle.com/2015/08/18/sugar-grove-roundabout-opens/a5jsq7l/ Granart Rd. moved about 300 ft south to align with Bucktail Ln. ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		E 29th St. / E 30th St. / E 28th St.
(47.23811, -122.40505) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.5704 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Caldwell, ID
Canyon Co.
United States 		E Ustick Rd. / Indiana Ave.
(43.63363, -116.67304) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3055 		Other (At-Grade)
Single-Lane 		2013 date: https://caldwellguardian.blogspot.com/2013/08/new-roundabout-at-ustick-and-indiana.html ICD estimated from Google Maps linework.
Green, OH
Summit Co.
United States 		E Turkeyfoot Lake Rd. / Pickle Rd.
(40.97410, -81.47402) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.9707 		Other (At-Grade)
Single-Lane 		2018 https://www.whbc.com/city-opens-new-roundabout-has-plans-for-more/ ICD estimated from Google Maps linework.
Monroe, NC
Union Co.
United States 		N Rocky River Rd. / Monroe Expressway WB Ramps
(35.06481, -80.59359) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
37.1473 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Monroe, NC
Union Co.
United States 		N Rocky River Rd. / Monroe Expressway EB Ramps
(35.06096, -80.59214) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.1043 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Built as part of the Monroe Expressway (US 74 bypass) https://www.ncdot.gov/projects/monroe-expressway/Pages/default.aspx ICD estimated from Google Maps linework.
Lake Charles, LA
Calcasieu Par.
United States 		Nelson Rd. / Ham Reid Rd.
(30.15396, -93.24926) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.8318 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Case 3 design? https://www.kplctv.com/story/35937047/more-roundabouts-coming-to-ham-reid-road/ ICD estimated from Google Maps linework.
Langley, BC
Greater Vancouver
Canada 		232 St. / 72 Ave. / Trans Canada 1 WB On-ramp
(49.13829, -122.58135) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.5059 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Roundabout was part of a project to build an overpass at a rail crossing. That project was completed in 2014, but the roundabout was in operation in 2013: https://www.portvancouver.com/wp-content/uploads/2015/03/232nd-st-construction-notice-december-2013.pdf ICD estimated from Google Maps linework.
Coves North, MO
Platte Co.
United States 		NW Old Tiffany Springs Rd. / N Green Hills Rd.
(39.26253, -94.63089) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.3863 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Elliptical shape. https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework.
Gladstone, MO
Clay Co.
United States 		NE Antioch Rd. / NE Pleasant Valley Rd.
(39.21369, -94.53468) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
34.2382 		Other (At-Grade)
Single-Lane 		2018 https://www.linecreekloudmouth.com/blog/street-improvements/ ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		NW 72nd St. / NW Waukomis Dr. / N Green Hills Rd.
(39.22505, -94.62750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.2327 		Other (At-Grade)
Single-Lane 		2012 Streetview car went through just after completion while two approaches were still blocked off. ICD estimated from Google Maps linework.
Riverside, MO
Platte Co.
United States 		N Woodward Rd. / NW 52nd St.
(39.18892, -94.63177) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9531 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Cambridge, MD
Dorchester Co.
United States 		MD 16 (Church Creek Rd.) / Woods Rd.
(38.54624, -76.06411) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.3636 		Other (At-Grade)
Single-Lane 		2017 https://www.myeasternshoremd.com/dorchester_star/news/roundabout-opens-at-route-and-woods-road/article_b39ae088-8f81-51a4-8dc8-94e149da66e8.html ICD estimated from Google Maps linework.
Baxter, MN
Crow Wing Co.
United States 		Excelsior Rd. / (unlknown)
(46.35451, -94.24743) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.7430 		Other (At-Grade)
Single-Lane 		2018 date: not yet built in late 2017 according to https://www.brainerddispatch.com/news/4150918-baxter-city-council-2017-could-bring-excelsior-road-roundabout yet Streetview shows it complete in 2018. Fourth leg stubbed. 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.
Glenview, IL
St. Clair Co.
United States 		Cambridge Blvd. / St Francis Way / St Elizabeth's Blvd.
(38.58493, -89.93023) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.6756 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		N Pearl St. / Five Mile Dr. / N Waterfront Dr. / Ferry Crossing Landing Rd / Park Ave.
(47.30193, -122.51556) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
32.3966 		Other (At-Grade)
Single-Lane 		2018 https://www.thenewstribune.com/news/local/article196233104.html ICD estimated from Google Maps linework.
Yakima, WA
Yakima Co.
United States 		N Fair Ave. / E Lincoln Ave. / N 10th St. / Bravo Company Blvd.
(46.60868, -120.49385) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.0238 		Other (At-Grade)
Single-Lane 		2015 https://www.yakimawa.gov/media/news/fair-avenue-roundabout-opening-to-traffic/ ICD estimated from Google Maps linework.
Raymond, WA
Pacific Co.
United States 		US 101 / Henkle St. (SR 6)
(46.68234, -123.73051) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.0389 		Other (At-Grade)
Single-Lane 		2018 http://www.wsdot.wa.gov/Projects/US101/SR6IntersectionAndDrainage/default.htm ICD estimated from Google Maps linework.
Taos, NM
Taos Co.
United States 		NM 585 (Paseo del Cañon) / Camino des Colores
(36.37670, -105.57657) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.2334 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework.
Taos, NM
Taos Co.
United States 		NM 585 (Paseo del Cañon) / Weimer Rd.
(36.37696, -105.58156) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
42.3101 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework.
Taos, NM
Taos Co.
United States 		NM 585 (Paseo del Cañon) / Gusdorf Rd.
(36.37843, -105.58705) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.6167 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 https://www.santafenewmexican.com/news/local_news/traffic-rotaries-confuse-taos-drivers/article_801498db-aff0-5c1c-bc7c-2802b696425a.html ICD estimated from Google Maps linework.
Tacoma, WA
Pierce Co.
United States 		(unknown) / (unknown)
(47.30214, -122.51434) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
27.5370 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Gautier, MS
Jackson Co.
United States 		N Dolphin Dr. / William Payne Adams Blvd. / (unknown)
(30.39643, -88.65932) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1462 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		N Taft Hill Rd. / CR 70 / CR 19
(40.75500, -105.11504) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
37.0933 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		Central Ave. / 8th St.
(26.14718, -81.79695) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.2979 		Other (At-Grade)
Single-Lane 		2016 Elliptical shape. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		Central Ave. / 10th St.
(26.14752, -81.79419) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.8120 		Other (At-Grade)
Single-Lane 		2016 Elliptical shape. ICD estimated from Google Maps linework.
Marysville, WA
Snohomish Co.
United States 		Marine Dr. NE / 64th St. NE / 31st Ave. NE
(48.05407, -122.18921) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.7229 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Date from Streetview ICD estimated from Google Maps linework.
Lehigh Acres, FL
Lee Co.
United States 		Sunshine Blvd. S / 23rd St. SW
(26.59205, -81.67879) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4957 		Other (At-Grade)
Single-Lane 		2009 Date: http://lehighacrescitizen.com/page/content.detail/id/506096/Mann-likes-Lehigh-s-new--roundabout--at-Sunshine-and-23rd-St-.html?nav=5100 ICD estimated from Google Maps linework.
Hveragerðisbær, Suðurland

Iceland 		Rte 1 / Rte 38 / Rte 376
(63.99524, -21.19289) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.2263 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Rte 1 / Rte 36
(64.17599, -21.67705) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
49.4247 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Rte 1 / Helgafellsvegur
(64.16799, -21.68386) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
50.4797 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Rte 1 / Reykjavegur
(64.16546, -21.69327) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.5253 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Reykjavegur / Jonsteigur
(64.16361, -21.68868) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.3525 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Þverholt / Haholt
(64.16655, -21.69572) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.7058 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Rte 1 / Langitangi
(64.16486, -21.70640) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.9240 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Rte 1 / Baugshilo / Skarholabraut
(64.15877, -21.72472) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
52.0583 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mosfellsbær, Höfuðborgarsvæðið

Iceland 		Rte 1 / Korpuifsstadavegur
(64.15355, -21.73750) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
52.0680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Rte 1 / Blikastadavegur
(64.13897, -21.75835) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
49.4906 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Vikurvegur / Rte 1 Ramps
(64.13426, -21.76538) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
42.7255 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Lambhagavegur / Blikastaðavegur
(64.13884, -21.75433) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.6945 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Mímisbrunnur / Ulfarsbraut
(64.13442, -21.74713) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
22.4047 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Mimisbrunnur / Gefjunabrunnur
(64.13518, -21.74463) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
22.9251 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Grafarholtsbegur / Vinlandsleið
(64.12549, -21.77549) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.0783 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Storhofoi / Grafarnoltsvegur
(64.12770, -21.77774) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
32.3123 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Srothofoi / Rte 49 Offramp
(64.12625, -21.78314) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
35.9623 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Bildshofoi / Saevarhofoi
(64.12464, -21.84049) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.1885 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Baejarhals / Halsabraut
(64.11885, -21.79844) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.1092 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Baejarhals / Tunguhals
(64.11722, -21.78862) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.0254 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Baejarhals / Sudurlandsvegur Ramps
(64.11401, -21.78316) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.2352 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Hadegismoar / Sudurlandsvegur Ramps
(64.11384, -21.77687) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.2427 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Rte 1 / Rte 413
(64.10478, -21.77439) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.3356 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið

Iceland 		Rte 1 / Nordlingavad / Vegbrekkur
(64.10164, -21.75941) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.9056 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Kópavogsbær, Höfuðborgarsvæðið

Iceland 		Arnarnesvegur / Rte 41 Ramps
(64.09517, -21.88820) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
89.2236 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Kingsville, MD
Baltimore Co.
United States 		MD 147 (Harford Rd.) / Glen Arm Rd. / Mt Vista Rd.
(39.46045, -76.45652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0397 		Other (At-Grade)
Single-Lane 		2018 https://www.baltimoresun.com/maryland/harford/aegis/ph-ag-harford-road-roundabout-20180102-story.html ICD estimated from Google Maps linework.
Clements, MD
St. Mary's Co.
United States 		MD 242 (Colton Point Rd.) / MD 234 (Budds Creek Rd.)
(38.32656, -76.72755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8559 		Other (At-Grade)
Single-Lane 		2017 https://www.somdnews.com/enterprise/spotlight/clements-roundabout-intersection-open-with-improvements-for-tractors/article_05f0355a-245a-5018-b4e6-79b0c5866ed8.html ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		MD 144 (W Washington St.) / Western Maryland Pkwy.
(39.64883, -77.75049) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7839 		Other (At-Grade)
Single-Lane 		2015 https://www.wcbcradio.com/?archiv=new-roundabout-near-hagerstown ICD estimated from Google Maps linework.
Princess Anne, MD
Somerset Co.
United States 		MD 822 (UMES Blvd.-Hickory Rd.) / MD 675 (Somerset Ave.)
(38.21930, -75.69592) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4712 		Other (At-Grade)
Single-Lane 		2015 https://www.delmarvanow.com/story/news/local/maryland/2014/11/24/roundabout-umes-boulevard/70053440/ ICD estimated from Google Maps linework.
Aberdeen, MD
Harford Co.
United States 		MD 7 (Philadelphia Rd.) / Seven Trails Dr. / (unknown)
(39.48874, -76.22404) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.0861 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Appleton, MD
Cecil Co.
United States 		MD 273 (Telegraph Rd.) / Appleton Rd.
(39.69858, -75.81417) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.7574 		Other (At-Grade)
Single-Lane 		2016 https://www.cecildaily.com/business/construction-to-begin-on-two-roundabouts/article_a86c04d1-1da8-5e3a-927a-8f05b09e6c57.html ICD estimated from Google Maps linework.
Elkton, MD
Cecil Co.
United States 		MD 281 (Red Hill Rd.) / Muddy Ln. / Kemp Ln.
(39.61811, -75.79733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
37.7202 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018) (streetview). ICD estimated from Google Maps linework.
Drummondville, QC
Drummond Regional County Municipality
Canada 		Rue du Pont / Rue Montplaisir / Chemin Hemming / Boulevard Saint-Charles
(45.88839, -72.48190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4336 		Other (At-Grade)
Single-Lane 		2013 https://translate.google.com/translate?hl=en&sl=fr&u=https://www.journalexpress.ca/2013/11/01/le-carrefour-giratoire-est-maintenant-ouvert/&prev=search ICD estimated from Google Maps linework.
Mont-Tremblant, QC
Les Laurentides Regional County Municipality
Canada 		Route Transcanadienne / Rue Vaillancourt
(46.11568, -74.57664) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.4702 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 https://translate.google.com/translate?hl=en&sl=fr&u=https://auto.lapresse.ca/actualites/nouvelles/201309/13/01-4689204-carrefours-giratoires-attention-ca-tourne.php&prev=search Fourth approach stubbed. ICD estimated from Google Maps linework.
Mont-Tremblant, QC
Les Laurentides Regional County Municipality
Canada 		Route Transcanadienne / Rue Siméon
(46.11689, -74.56281) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.9853 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Under construction in Sept 2012 (Streetview). ICD estimated from Google Maps linework.
Mont-Tremblant, QC
Les Laurentides Regional County Municipality
Canada 		Rue de St-Jovite / Rue Siméon
(46.11775, -74.56303) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4923 		Other (At-Grade)
Single-Lane 		2013 Fourth approach stubbed. ICD estimated from Google Maps linework.
Breckenridge, CO
Summit Co.
United States 		S Park Ave. (CO 9) / Four O'clock Rd.
(39.48043, -106.04811) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.1078 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Baker/Zachary Area, LA
East Baton Rouge Par.
United States 		Mt Pleasant-Zachary Rd. / Americana Blvd.
(30.65121, -91.21301) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.4282 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 date: https://www.theadvocate.com/baton_rouge/news/communities/zachary/article_1ecf0c49-f41b-581b-8a13-8b434793f15e.html ICD estimated from Google Maps linework.
Grove City, OH
Franklin Co.
United States 		Alkire Rd. / Darby Creek Dr.
(39.89552, -83.20268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.4012 		Other (At-Grade)
Single-Lane 		2016 http://gpdgroup.com/2016/11/index-html/ ICD estimated from Google Maps linework.