Roundabouts Database Index

29679 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
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).
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. (MD 932B) / Ten Oaks Rd. (MD 932C) (39.27315, -76.98805)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.9074	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.
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.
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.
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.
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.
East Longmeadow, MA Hampden Co. United States	Center Square (Maple St. / Shaker Rd. / Prospect St. / Somers Rd. / Pleasant St. / Elm St. / N Main St.) (42.06482, -72.51288)	Other Existing	Other Unknown	7 Approaches 0 Driveways 31.0329	Other (At-Grade) Single-Lane		Seven way intersection. Mixture of stop signs and yield, including yields within the circle. Appeared in Ripley's Believe It or Not: https://www.thehotiron.com/index.php/site/comments/wisconsin_roundabouts_to_a_native_massachusetts_rotary_driver ICD estimated from Google Maps linework.
O'Fallon, IL St. Clair Co. United States	Milburn Estates Dr. / Portsmith Place Dr. (38.61138, -89.94514)	Other Existing	Uncontrolled None	3 Approaches 0 Driveways 55.9947	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
O'Fallon, 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 32.6755	Other (At-Grade) Single-Lane	2016	Roundabout built by hospital. 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.
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.
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.
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	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.
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.
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.
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	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.
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.
Reykjavik, Höfuðborgarsvæðið Iceland	Mimisbrunnur / Iounnarbrunnar (64.13592, -21.74221)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 22.4035	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Mimisbrunnur / Skyggnisbraut (64.13682, -21.73933)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.3436	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Skyggnisbraut / Urdarbrunnur (64.13578, -21.73416)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Fossaleynir (64.14600, -21.77369)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 16.6663	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Vikurvegur / Mosavegur / Strandvegur / Korpullsstadavegur (64.15118, -21.77156)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 35.4093	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Borgavegur / Soleyjarimi (64.15041, -21.79498)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 37.4932	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Borgavegur / Spongin (64.14953, -21.78816)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.8491	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Spongin parking lot (64.15008, -21.78784)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 33.3277	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Borgavegur / Langirimi (64.14737, -21.78501)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 25.5190	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Hallsvegur / Langirimi (64.14056, -21.79653)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.1717	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Reykjavik, Höfuðborgarsvæðið Iceland	Hallsvegur / Fjallkonuvegur (64.13983, -21.78927)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 32.2981	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Port Orchard, WA Kitsap Co. United States	SW Lake Flora Rd. / JM Dickenson Rd. SW (47.46497, -122.72410)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.9114	Other (At-Grade) Single-Lane	2011	https://pugetsoundblogs.com/roadwarrior/tag/lake-flora/ ICD estimated from Google Maps linework.
Bloomington, MN Hennepin Co. United States	W 78th St. / US 169 Frontage Rd. / (parking lot) (44.86145, -93.39441)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.5554	Other (At-Grade) Single-Lane	2012	This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. http://www.startribune.com/i-494-hwy-169-interchange-is-up-for-an-award/224898442/ ICD estimated from Google Maps linework.
Bloomington, MN Hennepin Co. United States	W 78th St. / US 169 SB Offramp / I-494 WB Onramp (44.86118, -93.39598)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 34.7090	Freeway Ramps (Grade-Separated) Single-Lane	2012	This is one of 6 roundabouts surrounding the interchange of I-494 and US 169. ICD estimated from Google Maps linework.
South Holland, IL Cook Co. United States	Cottage Grove Ave. / E 166th St. (41.59355, -87.59766)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.3301	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Plain City, OH Union Co. United States	Hyland-Croy Rd. / Brock Rd. (40.16244, -83.18563)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.5091	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Plain City, OH Union Co. United States	Hyland-Croy Rd. / Ryan Pkwy (40.16771, -83.18450)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.8557	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Osceola, IN Elkhart Co. United States	Ash Rd. / Edison Rd. (41.69543, -86.06169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.6718	Other (At-Grade) Single-Lane	2018	date: https://www.southbendtribune.com/news/local/at-t-blamed-for-construction-delay-of-edison-ash-roundabout/article_c7e4abd2-0d4c-5cb2-9438-0d8280388751.html ICD estimated from Google Maps linework.
Golden Valley, MN Hennepin Co. United States	Golden Valley Rd. / Douglas Dr. (44.99127, -93.36021)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0091	Other (At-Grade) Single-Lane	2017	Right-turn-only lanes on north and south legs. date: https://www.hennepin.us/douglasdrive and streetview ICD estimated from Google Maps linework.
Cumming, GA Forsyth Co. United States	Hubbard Town Rd. / Hopewell Rd. / Carruth Lake Dr. (34.31342, -84.08011)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.4996	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Cumming, GA Forsyth Co. United States	Hopewell Rd. / Jot em Down Rd. / AC Smith Rd. (34.32378, -84.07322)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.6998	Other (At-Grade) Single-Lane	2011	date: https://patch.com/georgia/cumming/forsyth-county-opens-new-roundabout ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	S Hillcrest Dr. / Sunnyside Rd. (38.47450, -107.85663)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 15.8954	Other (At-Grade) Single-Lane	2016	date: https://www.cityofmontrose.org/CivicAlerts.aspx?AID=1235 ICD estimated from Google Maps linework.
Stanford, CA Santa Clara Co. United States	Campus Dr. / Serra St. (37.42679, -122.15944)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5257	Other (At-Grade) Single-Lane	2018	https://transportation.stanford.edu/news/stanfords-fifth-roundabout-open-serra-street-and-campus-drive-east ICD estimated from Google Maps linework.
Cedar Rapids, IA Linn Co. United States	Kirkwood Blvd SW. / S School Access Rd. (41.89988, -91.65658)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.6698	Other (At-Grade) Single-Lane	2017	http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/kirkwood_blvd_sw.php ICD estimated from Google Maps linework.
La Center, WA Clark Co. United States	NW Pacific Hwy. / W 4th St. (45.86195, -122.67258)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.6053	Other (At-Grade) Single-Lane	2018	https://www.clarkcountytoday.com/local_news/the-4th-street-and-pacific-highway-roundabout-in-la-center-completed/ ICD estimated from Google Maps linework.
Trondheim, Trondelag Trondheim Norway	Rte 706 / Rte 715 (Steinbergtunnelen) (63.42761, 10.36371)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 21.9045	Other (At-Grade) Single-Lane		Roundabout is completely within tunnel. ICD estimated from Google Maps linework.
Trondheim, Trondelag Trondheim Norway	Rte 706 / Rte 715 (63.43048, 10.36030)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 30.4496	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Revelstoke, BC Columbia-Shuswap Canada	Victoria Rd. / Wright St. (51.00838, -118.21183)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.5858	Other (At-Grade) Single-Lane	2016	https://www.revelstokereview.com/news/brief-roundabout-expected-to-be-completed-wednesday/amp/ ICD estimated from Google Maps linework.
Hyde Park, VT Lamoille Co. United States	VT 15 / VT 100 / Church St. (44.59733, -72.61610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.8677	Other (At-Grade) Single-Lane	2012	ICD estimated from Google Maps linework.
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.
Chilliwack, BC Fraser Valley Canada	Vedder Rd. / Chilliwack Lake Rd. (49.09791, -121.96384)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.8444	Other (At-Grade) Single-Lane	2017	https://www.reminetwork.com/articles/unique-vedder-bridge-launch/ ICD estimated from Google Maps linework.
Chilliwack, BC Fraser Valley Canada	Vedder Mountain Rd. / Cultus Lake Rd. (49.09493, -121.97242)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.0131	Other (At-Grade) Single-Lane	2018	http://fraservalleynewsnetwork.com/2018/10/04/update-the-roundabout-to-cultus-lake-on-schedule-for-november-completion/ ICD estimated from Google Maps linework.
Windsor, ON Essex Canada	Parent Ave. / Erie St. E (42.31363, -83.02060)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.5466	Other (At-Grade) Single-Lane	2011	http://www.calgaryherald.com/media+conference+held+Monday+2011+explain+proper+roundabout+intersection+Erie+Street+Parent+Avenue+Windsor+This+view+roundabout+from+Parent+looking+south/5635192/story.html ICD estimated from Google Maps linework.
Machesney Park, IL Winnebago Co. United States	Swanson Rd. / Perryville Rd. (42.39150, -88.99469)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 32.6369	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Montrose, CO Montrose Co. United States	Ogden Rd. / Woodgate Rd. (38.45096, -107.86297)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7365	Other (At-Grade) Single-Lane	2011	Year Completed estimated (2011-2012). ICD estimated from Google Maps linework.