Roundabouts Database Index

29411 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
(unincorporated), PA Westmoreland Co. United States	Waltz Mill Rd. / I-70 EB Ramps (40.21090, -79.66617)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2023	Raindrop shaped. Year Completed estimated (2021-2023).
Allegheny Township, PA Westmoreland Co. United States	SR 356 / La Belle Vue Rd. (40.59828, -79.60760)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://triblive.com/local/valley-news-dispatch/first-roundabout-in-alle-kiski-valley-aims-to-decrease-vehicle-crashes-in-allegheny-township/
Mount Pleasant, PA Westmoreland Co. United States	SR 819 / SR 981 (40.16665, -79.54360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 53.3400	Other (At-Grade) Single-Lane	2023	https://www.penndot.pa.gov/RegionalOffices/district-12/pages/details.aspx?newsid=2355
Mount Pleasant, PA Westmoreland Co. United States	SR 981 / Hecla Rd. / State St. (40.17769, -79.52978)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://mthbg-laurelvalley.azurewebsites.net/section-1/section-1-project-area-photos.php
Latrobe, PA Westmoreland Co. United States	Whitney Ct. (40.26595, -79.40789)	Other Existing	Unknown Unknown	3 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane		No splitter islands.
Leechburg, PA Westmoreland Co. United States	Moreland Drive Circle (40.60290, -79.61220)	Other Existing	Unknown Unknown	3 Approaches 4 Driveways 0.0000	Other (At-Grade) Single-Lane
Greensburg, PA Westmoreland Co. United States	Ridgeway St. / Morrison Ave. (40.29972, -79.53295)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane
Dieppe, NB Westmorland Canada	Rue des Élèves / Belle-Forêt St. / Dieppe Blvd. (46.07055, -64.69125)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.0000	Other (At-Grade) Single-Lane	2018	https://www.dieppe.ca/en/nouvelles/travaux-routiers-boulevard-dieppe-et-rue-bellefort.aspx
Dieppe, NB Westmorland Canada	Gauvin Rd. / Alain-Gillette St. / Rue du College (46.09572, -64.74054)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.0000	Other (At-Grade) Single-Lane	2019	Year Completed estimated (2017-2021).
Shediac, NB Westmorland Canada	Chesley St. / Rte 15 WB Ramps (46.21116, -64.54385)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 60.0000	Freeway Ramps (Grade-Separated) Single-Lane	2018	Third leg stubbed but will connect to Breaux Bridge St. https://skyscraperpage.com/forum/showthread.php?p=8206255
Moncton, NB Westmorland Canada	Ryan St. / Horsman Rd. / Twin Oaks Dr. (46.10370, -64.86226)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.7485	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Moncton, NB Westmorland Canada	Causeway Circle [Rte 15 / Rte 106 / Rte 114 / Salisbury Rd.] (46.07408, -64.81274)	Rotary Existing	All-Way Yield None	4 Approaches 1 Driveways 164.0507	Other (At-Grade) Multilane (2 Lane, unspecified)		Railway crosses over bridges. ICD estimated from Google Maps linework.
Dieppe, NB Westmorland Canada	Melanson Rd. / Dieppe Blvd. (46.07528, -64.69420)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.6553	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Port Elgin, NB Westmorland Canada	Trans Canada Hwy / Hwy 15 / Shemogue Rd. (46.05419, -64.09329)	Rotary Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 123.4968	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Shediac Parish, NB Westmorland Canada	Main St. / NB 132 / Depot Rd. (46.21557, -64.56913)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 59.5017	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Dieppe, NB Westmorland Canada	Dieppe Blvd. / NB-15 EB Ramps (46.10950, -64.71022)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 45.5404	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. ICD estimated from Google Maps linework.
Moncton, NB Westmorland Canada	Dieppe Blvd. / NB-15 WB Ramps (46.11139, -64.71095)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 56.3025	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2018	Raindrop shape. ICD estimated from Google Maps linework.
Moncton, NB Westmorland Canada	Killam Dr. / Russ Howard Dr. / Collishaw St. / Pudy Ave. (46.09740, -64.81820)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 57.9732	Other (At-Grade) Single-Lane	2013	ICD estimated from Google Maps linework.
Oostvoorne, South Holland Westvoorne Netherlands	N218 (Kleidijk) / Brielseweg (51.91427, 4.11626)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)		Turbo roundabout.
Cadillac, MI Wexford Co. United States	Plett Rd. / E 13th St. (44.26695, -85.39646)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2012	https://www.9and10news.com/2012/08/13/city-of-cadillac-gets-new-driving-maneuver-at-intersection/
Cadillac, MI Wexford Co. United States	E Division St. / Crosby Rd. (44.25260, -85.37770)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.7200	Other (At-Grade) Single-Lane	2021	https://www.cadillacnews.com/news/new-roundabout-at-crosby-division-opened-to-traffic/article_2ed78a18-40c4-11ec-8a2e-bb7590311039.html
Mesick, MI Wexford Co. United States	W M-115 Hwy. / N 13 Rd. (44.40366, -85.69952)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.1033	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Whakatane, Bay of Plenty Whakatane New Zealand	SH 30 / Phoenix Dr (-37.95274, 176.96540)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whakatane, Bay of Plenty Whakatane New Zealand	SH 30 / Keepa Rd. / Mill Rd. (-37.95415, 176.97026)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whakatane, Bay of Plenty Whakatane New Zealand	SH 30 / Landing Rd. / Hinemoa St. (-37.95829, 176.97379)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whakatane, Bay of Plenty Whakatane New Zealand	The Strand / Commerce St. (-37.95162, 176.99618)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whakatane, Bay of Plenty Whakatane New Zealand	Domain Rd. / McAlister St. (-37.95850, 176.99093)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whakatane, Bay of Plenty Whakatane New Zealand	Arawa Rd. / Hinemoa St. / Awatapu Dr. / Bridge St. (-37.96915, 176.97473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whakatane, Bay of Plenty Whakatane New Zealand	Commerce St. / Gorge Rd. / Valley Rd. / Goulstone Rd. (-37.96298, 176.99161)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whakatane, Bay of Plenty Whakatane New Zealand	McAlister St. / Peace St. / The Strand (-37.95340, 176.99093)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whakatane, Bay of Plenty Whakatane New Zealand	The Strand / Boon St. (-37.95190, 176.99459)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wanganui, Wanganui-Manawatu Whanganui New Zealand	SH 3 (Carlton Ave.) / Jackson St. / Alma Rd. (-39.93839, 175.03532)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wanganui, Wanganui-Manawatu Whanganui New Zealand	SH 3 (Wanganui Metropolitan Motorway - Liffiton St.) / Heads Rd. (-39.94154, 175.04213)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wanganui, Wanganui-Manawatu Whanganui New Zealand	SH 3 (Wanganui Metropolitan Motorway) / Wikitoria Rd. (-39.94847, 175.05096)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wanganui, Wanganui-Manawatu Whanganui New Zealand	Victoria Ave. / Ridgway St. (-39.93399, 175.05386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Wanganui, Wanganui-Manawatu Whanganui New Zealand	SH 3 (London St.-Carlton Ave.) / Fitzherbert Ave. (-39.93307, 175.02865)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Stanmore Bay, Auckland Whangaparāoa New Zealand	Wade River Rd. / Rishworth Ave. / Cochrane Ave. (-36.63901, 174.74327)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whangarei, Northland Whangarei New Zealand	Lower Tarewa Rd. / Bank St. / Walton St. / Railway Rd. (-35.72756, 174.31931)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whangarei, Northland Whangarei New Zealand	Port Rd. / Okara Dr. (-35.73697, 174.33245)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whangarei, Northland Whangarei New Zealand	Port Rd. / Dave Culham Dr. (-35.73516, 174.33282)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whangarei, Northland Whangarei New Zealand	Okara Dr. / Porowini Ave. (-35.73344, 174.32734)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whangarei, Northland Whangarei New Zealand	Dent St. / Reyburn St. / Carruth St. (-35.72572, 174.32610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Whangarei, Northland Whangarei New Zealand	Western Hills Dr. (SH 1) / Kensington Ave. (-35.71002, 174.31341)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)
Ruakaka, Northland Whangarei New Zealand	SH 1 / Port Marsden Highway (SH 15) / (parking) (-35.89129, 174.43271)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whangarei, Northland Whangarei District New Zealand	Robert St. / James St. (-35.72457, 174.32203)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Whangarei, Northland Whangarei District New Zealand	Robert St. / John St. (-35.72505, 174.32268)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island
Whangarei, Northland Whangarei District New Zealand	SH 1-SH 15 / Loop Rd. (-35.78059, 174.30783)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, 2x2 max)
Whangarei, Northland Whangarei District New Zealand	Kiripaka Rd. / Spedding Rd. / Paramount Parade (-35.68616, 174.32674)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Whangarei, Northland Whangarei District New Zealand	Corks Rd. / Paramount Parade / Wairau Dr. (-35.67991, 174.31731)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bellingham, WA Whatcom Co. United States	E Smith Rd. / Hannegan Rd. (48.83337, -122.44289)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Multilane (2 Lane, 2x1 max)	2024	https://whatcom-news.com/hannegan-smith-intersection-to-reopen-as-a-multi-lane-roundabout_219458/
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Horton Rd. (48.80595, -122.49677)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.0896	Other (At-Grade) Single-Lane	2019	Curb returns are further back from ICD than leading ends of splitter islands.
Everson, WA Whatcom Co. United States	SR 542 (Mount Baker Hwy.) / Lawrence Rd. (48.84341, -122.28884)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 1 Driveways 29.0824	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.
Deming, WA Whatcom Co. United States	SR 542 (Mount Baker Hwy) / Valley Hwy (48.81605, -122.20267)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 29.8847	Other (At-Grade) Single-Lane	2018	ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	SR 548 (Grandview Rd.) / Kickerville Rd. (48.89209, -122.70435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2018
Bellingham, WA Whatcom Co. United States	SR 542 (Mt Baker Hwy.) / E Smith Rd. / Allison Rd. (48.83225, -122.30533)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 37.7369	Other (At-Grade) Single-Lane	2012	Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	Portal Way / I-5 NB Ramps (48.85836, -122.58613)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.3591	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2019	Year Completed estimated (2018-2019). https://myferndalenews.com/mayor-second-roundabout-portal-way-5-scheduled-summer_56179/ ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Haxton Way / Smokehouse Rd. (48.74689, -122.66383)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.0136	Other (At-Grade) Single-Lane	2014	ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Stuart Rd. (48.79931, -122.49572)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4016	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://www.cob.org/gov/projects/Pages/Cordata%20Stuart%20Roundabout.aspx. ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 546 / Bender Rd. (48.96442, -122.44116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.2849	Other (At-Grade) Single-Lane	2013	Open August 2013. ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 546 / Depot Rd. (48.96478, -122.45217)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.2052	Other (At-Grade) Single-Lane	2013	Open August 2013. ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 546 / Northwood Rd. (48.96424, -122.40709)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.9551	Other (At-Grade) Single-lane w/ Traversable Central Island	2016	Open June 2016. ICD estimated from Google Maps linework.
Kendall, WA Whatcom Co. United States	SR 542 / SR 547 (Kendall Corner) (48.91692, -122.13767)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.5337	Other (At-Grade) Single-Lane	2015	Open September 2015. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	N State St. / Wharf St. / N Forest St. / Boulevard (48.74361, -122.48473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 48.8297	Other (At-Grade) Single-Lane	2013	Open October 2013. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Haxton Way / Kwina Rd. (48.79386, -122.63408)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.8160	Other (At-Grade) Single-Lane	2013	Oblong shape. ICD = 170 ft x 135 ft. Open August 2013. Lummi Indian Reservation.
Bellingham, WA Whatcom Co. United States	Northwest Blvd. / McLeod Rd. (48.78262, -122.50297)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.6614	Other (At-Grade) Single-Lane	2013	Open June 2013. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Everson Goshen Rd. / E Smith Rd. (48.83263, -122.37755)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-lane w/ Traversable Central Island	2015	Open June 2015.
Ferndale, WA Whatcom Co. United States	Slater Rd. / I-5 SB Ramps (48.81707, -122.55050)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.7384	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2014	Includes a yield-controlled right-turn bypass lane. Open November 2014. ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	Slater Rd. / I-5 NB Ramps (48.81737, -122.54604)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5247	Freeway Ramps (Grade-Separated) Single-lane w/ Traversable Central Island	2014	Includes yield-controlled right-turn bypass lanes. Open November 2014. ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	Slater Rd. / Pacific Hwy. (48.81718, -122.54435)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 18.8741	Other (At-Grade) Single-lane w/ Traversable Central Island	2014	Open November 2014. ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 539 / River Rd. (48.92280, -122.48565)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.0858	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Mitchell Way / Bellingham Airport Access Rd. (48.79757, -122.53080)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 31.4692	Other (At-Grade) Single-Lane	2003	ICD estimated from Google Maps linework.
Blaine, WA Whatcom Co. United States	I-5 SB Ramps / Peace Portal Dr. / Marine Dr. (48.99723, -122.75250)	Roundabout Existing	All-Way Yield At-grade Rail Crossing Signals/Gates (controlling approach only)	4 Approaches 0 Driveways 26.6422	Freeway Ramps (Grade-Separated) Single-Lane	2010	May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework.
Blaine, WA Whatcom Co. United States	I-5 NB Ramps / D St. / 2nd St. (48.99810, -122.75140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.6939	Freeway Ramps (Grade-Separated) Single-Lane	2010	May 2010. ICD estimated from Google Maps linework.
Blaine, WA Whatcom Co. United States	SR 548 (Grandview Rd.) / Blaine Rd. / (parking) (48.89206, -122.72655)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1000	Other (At-Grade) Single-Lane	2010	September 2010. Merging right-turn bypass lane on south leg. Right-turn-oinly lane on north leg.
Lynden, WA Whatcom Co. United States	SR 539 / Ten Mile Rd. (48.86968, -122.48580)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.3503	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 539 / Pole Rd. (48.89152, -122.48560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.1153	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Lynden, WA Whatcom Co. United States	SR 539 / Wiser Lake Rd. (48.90677, -122.48560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.1009	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	I-5 SB Ramps / 2nd St. / Portal Way (48.85686, -122.58840)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8616	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Northwest Ave. / I-5 NB Ramp (48.78500, -122.50420)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 35.4117	Freeway Ramps (Grade-Separated) Single-Lane	2010	RT bypass lane on southbound approach. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Kellogg Rd. (48.79511, -122.49170)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.3384	Other (At-Grade) Multilane (2 Lane, unspecified)	2003	Primary access to Whatcom Community College. Functional Class: Arterial ICD estimated from Google Maps linework.
Ferndale, WA Whatcom Co. United States	Vista Dr. / Malloy Ave. / Ferndale Terr. (48.85251, -122.59620)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.3640	Other (At-Grade) Single-Lane	2007	Opened September 2007. ICD estimated from Google Maps linework.
Bellingham, WA Whatcom Co. United States	Cordata Pkwy. / Westerly Dr. (48.79198, -122.49140)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4068	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	http://cob.org/documents/pw/curconst/ES-0237.pdf Functional Class: Arterial ICD estimated from Google Maps linework.
Monticello, IN White Co. United States	E County Rd. 150 S / S 6th St. / S County Rd. 500 E / Gordon Rd. (40.73002, -86.77565)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.5819	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Vermont South, VIC Whitehorse Australia	Hawthorn Rd. / Stanley Rd. (-37.84932, 145.17659)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Forest Hill, VIC Whitehorse Australia	Hawthorn Rd. / Mahoneys Rd. (-37.84682, 145.16436)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Vermont South, VIC Whitehorse Australia	Terrara Rd. / Hawthorn Rd. (-37.84768, 145.18901)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways	Other (At-Grade) Single-Lane
Vermont South, VIC Whitehorse Australia	Terrara Rd. / Woodleigh Crescent (-37.85455, 145.19069)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Sterling, IL Whiteside Co. United States	W Le Fevre Rd. / Lynn Blvd. (41.80133, -89.72783)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2020	https://www.radiorockriver.com/2020/10/26/the-sterling-roundabout-is-now-open-for-business/
Sterling, IL Whiteside Co. United States	SR 40 (Locust St. - Pennington Rd.) / Science Ridge Rd. (41.82322, -89.69841)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2023	https://www.wqad.com/article/news/local/new-sterling-roundabout-meaning-for-one-father/526-0f2974e6-ad8f-4038-9020-28fcbeca2140
Dalton, GA Whitfield Co. United States	Carbondale Rd. SW / I-75 SB Ramps (34.65311, -84.98468)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.1233	Freeway Ramps (Grade-Separated) Single-Lane	2018	https://www.dailycitizen.news/news/local_news/expect-traffic-shift-onto-new-carbondale-road-roundabout/article_c6b0ed90-9a72-11e7-9b0e-171be0ee215b.html ICD estimated from Google Maps linework.
Dalton, GA Whitfield Co. United States	Carbondale Rd. SW / I-75 NB Ramps (34.65372, -84.98301)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.2457	Freeway Ramps (Grade-Separated) Single-Lane	2018	https://www.dailycitizen.news/news/local_news/expect-traffic-shift-onto-new-carbondale-road-roundabout/article_c6b0ed90-9a72-11e7-9b0e-171be0ee215b.html ICD estimated from Google Maps linework.
Dalton, GA Whitfield Co. United States	US 41 (S Dixie Rd.) /Carbondale Rd. SW / Tilton Rd. SE (34.65534, -84.97859)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 49.1220	Other (At-Grade) Single-Lane	2018	Striped out inner circulating lane and inner entry and exit lanes on north, south, and west legs. ICD estimated from Google Maps linework.
Williamsburg, KY Whitley Co. United States	US 25W / I-75 NB Ramps (36.79226, -84.16820)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022
Williamsburg, KY Whitley Co. United States	US 25W / I-75 SB Ramps (36.79318, -84.17100)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 0.0000	Freeway Ramps (Grade-Separated) Single-Lane	2022
Pullman, WA Whitman Co. United States	NE Terre View Dr. / N Fairway Rd. / Northwood Dr. (46.74230, -117.15019)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 0.0000	Other (At-Grade) Single-Lane	2022	https://www.pullman-wa.gov/government/departments/public_works/public_works_news_section/terre_view_roundabout_opens_early
Pullman, WA Whitman Co. United States	SR 27 / Whelan Rd. (46.75994, -117.16896)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.0037	Other (At-Grade) Single-Lane	2022	Opened August 2022. Developer mitigation project.
Collinsville, QLD Whitsunday Australia	SR 77 (Conway St.) / Stanley St. (-20.55304, 147.84424)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bowen, QLD Whitsunday Australia	Horseshoe Bay Rd. / Rose Bay Rd. (-19.98705, 148.25469)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways	Other (At-Grade) Single-Lane
Bowen, QLD Whitsunday Australia	Richmond Rd. / Argyle Park Rd. / Salisbury Crescent (-20.00064, 148.23560)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane		Elliptical shaped.
Bowen, QLD Whitsunday Australia	Livingstone St. / Herbert St. (-20.00752, 148.24339)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Multilane (2 Lane, unspecified)