Roundabouts Database

29465 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
Karabaglar, İzmir

Turkey 		Dostluk Bulvari / 4586. Sokak / 4551. Sokak
(38.38288, 27.12046) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Karabaglar, İzmir

Turkey 		Eskiizmir Caddesi / 9131/14. Sokak / 4586. Sokak
(38.38437, 27.11403) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Buca, İzmir

Turkey 		8. Sokak / 28/9. Sokak / 3. Sokak
(38.38535, 27.18389) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Balçova, İzmir

Turkey 		Cagdaş Caddesi / Sarmaşık Caddesi
(38.38965, 27.04564) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Balçova, İzmir

Turkey 		Cagdas Caddesi / Bora Sokak
(38.38984, 27.04482) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Salisbury, MD
Wicomico Co.
United States 		Marquis Ave. / Jim Morton Dr.
(38.39154, -75.61826) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Sellersburg, IN
Clark Co.
United States 		American Way / Camp Run Pkwy.
(38.39235, -85.76984) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Northwest and northeast legs stubbed. https://www.wdrb.com/news/sellersburg-officials-hope-new-roundabout-will-attract-more-businesses/article_8ee3e832-2af4-11ed-94a6-3397bf032ef2.html
Salisbury, MD
Wicomico Co.
United States 		Marquis Ave. / Victoria Park Dr.
(38.39301, -75.61582) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Karabaglar, İzmir

Turkey 		Inonu Caddesi / 52/18 Sokak
(38.39312, 27.08751) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Narlıdere, İzmir

Turkey 		D-300 / Fevzi Yılmaz Sokak
(38.39366, 27.01845) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Unknown
Unknown 		Circulating traffic yields to entering traffic.
Balçova, İzmir

Turkey 		(D-300 Frontage Road) / Ata Caddesi
(38.39515, 27.05791) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Narlıdere, İzmir

Turkey 		Mithatpaşa Caddesi / E881 Ramps
(38.39542, 27.00104) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Narlıdere, İzmir

Turkey 		Mithatpaşa Caddesi / Ahmet Taner Kişali Caddesi
(38.39613, 26.99712) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Buca, İzmir

Turkey 		Gazi Osman Paşa Caddesi / Yavuz Sultan Selim Caddesi
(38.39685, 27.17485) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
(unincorporated), CA
Sacramento Co.
United States 		Bonito Circle
(38.39719, -121.40355) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Konak, İzmir

Turkey 		Mithatpaşa Caddesi / Inonu Caddesi / Mehmetcik Bulvari
(38.39728, 27.07013) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Puebla de Sancho Pérez, Estremadura
Badajoz
Spain 		N-432 / N-630 Ramps
(38.39818, -6.34767) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Elk Grove, CA
Sacramento Co.
United States 		Nassa Circle
(38.40333, -121.41259) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Konak, İzmir

Turkey 		İnönü Caddesi / Halide Edip Adivar Caddesi
(38.40625, 27.12237) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Imperial, MO
Jefferson Co.
United States 		Amberleigh Pkwy. / Amber Meadows Dr. / Amber View Dr.
(38.40708, -90.44771) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Higashimatsushima City, Miyagi Pref.

Japan 		(unknown)
(38.40823, 141.24143) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Elk Grove, CA
Sacramento Co.
United States 		Elk Grove Blvd. / Black Swan Dr. / Baypoint Way
(38.40909, -121.34886) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.5370 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Elk Grove, CA
Sacramento Co.
United States 		Elk Grove Blvd. / Mainline Dr. / Clarke Farms Dr.
(38.40911, -121.33893) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.5370 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Huntington, WV
Cabell Co.
United States 		Campbell Dr. / (parking)
(38.40914, -82.37140) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Laguna, CA
Sacramento Co.
United States 		Coney Island Circle
(38.40992, -121.47661) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Higashimatsushima City, Miyagi Pref.

Japan 		Omagari Shimodai
(38.41179, 141.24126) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Emporia, KS
Lyon Co.
United States 		US 50 / (connector to I-35)
(38.41225, -96.22947) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		2008 New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442
Emporia, KS
Lyon Co.
United States 		(connector to US 50) / I-35 Ramps
(38.41494, -96.22918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
97.5360 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008.
Charlestown, IN
Clark Co.
United States 		Melbourne Dr. / Hawthorne Glen / Covington Dr.
(38.41763, -85.72569) 		Other
Unknown 		Unknown
Unknown 		3 Approaches
7 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Penrose, CO
Fremont Co.
United States 		SR 115 / US 50 EB Ramps
(38.41802, -105.04263) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2024 https://krdo.com/news/top-stories/2024/07/02/traffic-roundabout-now-open-at-interchange-of-us-50-highway-115-in-fremont-county/
Emporia, KS
Lyon Co.
United States 		W 18th Ave. / Graphic Arts Rd.
(38.41962, -96.22618) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2005 Opened July 2005. BTE jurisdiction.
South Point, OH
Lawrence Co.
United States 		Solida Rd. / US 52 WB Ramps / Collins Ave.
(38.42360, -82.57472) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.7198 		Freeway Ramps (Grade-Separated)
Single-Lane 		2019 ICD estimated from Google Maps linework.
Konak, İzmir

Turkey 		Gazi Bulvari / Anafartalar Caddesi
(38.42378, 27.14286) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Canon City, CO
Fremont Co.
United States 		Elm Ave. / S 9th St.
(38.42500, -105.23167) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.1986 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Elk Grove, CA
Sacramento Co.
United States 		W Camden Dr. / N Camden Dr. / Camden Lake Way
(38.42732, -121.37700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		1988 Year Completed apparent from historical Google Earth aerial photos.
Konak, İzmir

Turkey 		Şair Eşref Bulvarı / Şehit Nevres Bulvarı
(38.42793, 27.14127) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Konak, İzmir

Turkey 		Şair Eşref Bulvarı / Vasif Cinar Bulvari
(38.42993, 27.14160) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Union, MO
Franklin Co.
United States 		Denmark Rd. / Saint Andrews Dr.
(38.43079, -90.95348) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 https://www.emissourian.com/local_news/union/denmark-road-opens-to-traffic-project-is-nearly-finished/article_c0073fff-d446-5b9b-be14-d1bfef9abd1d.html
Union, MO
Franklin Co.
United States 		Prairie Dell Rd. / Denmark Rd.
(38.43101, -90.97237) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015 Yield-controlled right-turn bypass lane with large radius on north leg. Entrance to college campus.
Elk Grove, CA
Sacramento Co.
United States 		Waterman Rd. / Sheldon Rd.
(38.43814, -121.35290) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3552 		Other (At-Grade)
Single-Lane 		2016 Yield-controlled right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Elk Grove, CA
Sacramento Co.
United States 		Bradshaw Rd. / Sheldon Rd.
(38.43818, -121.33457) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.1617 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Stafford, VA
Stafford Co.
United States 		Stefaniga Farms Dr. / Bergamont Dr. / Lupine Dr.
(38.44014, -77.51576) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.8379 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Harrisonburg, VA

United States 		Linda Ln. / Smithland Rd.
(38.44244, -78.83532) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.6428 		Other (At-Grade)
Single-Lane 		2008 Right turn bypass lane. ICD estimated from Google Maps linework.
Harrisonburg, VA
Harrisonburg City Co.
United States 		S Carlton St. / Reservoir St.
(38.44283, -78.85823) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3527 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Arnold, MO
Jefferson Co.
United States 		Astra Way / Missouri State Rd.
(38.44301, -90.40168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1589 		Other (At-Grade)
Single-Lane 		2012 Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
Elk Grove, CA
Sacramento Co.
United States 		Auberry Dr. / Laporte Way / Toad Hollow Way
(38.44561, -121.39940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.5787 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Union, MO
Franklin Co.
United States 		Independence Dr. / W Main St.
(38.44642, -91.02549) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.7385 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2012-2013). https://www.unionmissouri.org/document_center/talk_of_the_town_winter_2013.pdf ICD estimated from Google Maps linework.
Canon City, CO
Fremont Co.
United States 		Main St. / 15th St.
(38.44672, -105.22743) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2009 Yield-controlled right-turn bypass lane on west leg. Year Completed estimated (2007-2011).
Canon City, CO
Fremont Co.
United States 		Dozier Ave. / Fremont Dr.
(38.44797, -105.19374) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
28.0610 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2019). ICD estimated from Google Maps linework.
Bayrakli, İzmir

Turkey 		Manas Bulvarı / Islam Kerimov Caddesi
(38.45085, 27.17924) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
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.
Bayrakli, İzmir

Turkey 		286. Sokak / İslam Kerimov Caddesi
(38.45209, 27.18364) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Selbyville, DE
Sussex Co.
United States 		Day Lily Pkwy. / Signature Blvd.
(38.45417, -75.11646) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Selbyville, DE
Sussex Co.
United States 		Sand Cove Rd. / Crosswinds Landing / Williamsville Rd.
(38.45556, -75.10488) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Bayrakli, İzmir

Turkey 		Haydar Aliyev Caddesi / 286. Sokak
(38.45584, 27.18125) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Bayrakli, İzmir

Turkey 		Sakarya Caddesi / Alija Izetbegovic Caddesi
(38.45828, 27.18801) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown 		Circulating traffic yields to entering traffic.
Bayrakli, İzmir

Turkey 		Mustafa Kemal Caddesi / Sakarya Caddesi
(38.46062, 27.19957) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Union, MO
Franklin Co.
United States 		Independence Dr. / N Washington Ave. (MO A)
(38.46062, -91.01237) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.9265 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013). https://www.unionmissouri.org/document_center/talk_of_the_town_winter_2013.pdf ICD estimated from Google Maps linework.
Columbia, IL
Monroe Co.
United States 		Quarry Rd. / Palmer Creek Dr.
(38.46186, -90.21085) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 https://www.republictimes.net/another-roundabout-for-columbia/
Bayrakli, İzmir

Turkey 		Nur Sultan Hazarbeyev / Manas Bulvari / 1912. Sokak
(38.46199, 27.17131) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Bornova, İzmir

Turkey 		Ankara Caddesi / İstanbul Caddesi Ramps / Genclik Caddesi
(38.46201, 27.22668) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Unknown
Bayrakli, İzmir

Turkey 		Dumlupinar Caddesi / Fatih Sultan Mehmet Caddesi
(38.46250, 27.19474) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown 		Circulating traffic yields to entering traffic.
Bayrakli, İzmir

Turkey 		Alija İzetbegoviç Caddesi / Yuzbasi Ibrahim Hakki Caddesi / Yavuz Caddesi / Nur Sultan Nazarbeyev Caddesi
(38.46419, 27.18732) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Bornova, İzmir

Turkey 		Mustafa Kamal Caddesi / Fevzi Cakmak Caddesi
(38.46623, 27.21915) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown 		Parking along circulatory roadway.
Saint Leonard, MD
Calvert Co.
United States 		Calvert Beach Rd. / MD 765 Saint Leonard Rd.
(38.47316, -76.50607) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.2460 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Selbyville, DE
Sussex Co.
United States 		Shearwater Dr. / Royal Tern Dr.
(38.47429, -75.11815) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
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.
Stafford, VA
Stafford Co.
United States 		Woodstream Blvd. / Pike Pl.
(38.47492, -77.40636) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5956 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Selbyville, DE
Sussex Co.
United States 		Shearwater Dr. / Ashley Manor Blvd.
(38.47505, -75.12000) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Stafford, VA
Stafford Co.
United States 		Doc Stone Rd. / Juggins Rd. / Moncure Ln.
(38.47662, -77.41360) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
39.2698 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Silva Ranch Way / (unknown)
(38.47686, -121.52680) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
61.7094 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Murayama City, Yamagata Pref.

Japan 		Tateoka
(38.47723, 140.37874) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Culpeper, VA
Culpeper Co.
United States 		US 522 (Sperryville Pike - W Evans St.) / N Blue Ridge Ave.
(38.47732, -77.99810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2023 https://starexponent.com/news/local/latest-town-roundabout-getting-ready-to-go-live/article_653784ba-61f0-11ee-bca6-fbccacf95ba9.html
Sacramento, CA
Sacramento Co.
United States 		Coleman Ranch Way / (unknown)
(38.47739, -121.52340) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
139.3127 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Ashland, KY
Boyd Co.
United States 		Winchester Ave. (US 23 Business) / 18th St.
(38.47750, -82.63733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Ashland, KY
Boyd Co.
United States 		Winchester Ave. (US 23 Business) / 17th St.
(38.47804, -82.63838) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Selbyville, DE
Sussex Co.
United States 		Bayville Shores Dr. / Ocean Vista Dr. / Bay Vista Dr.
(38.47838, -75.08532) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Ashland, KY
Boyd Co.
United States 		Winchester Ave. (US 23 Business) / 16th St.
(38.47860, -82.63954) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 One of five mini-roundabouts in series. Road diet from five lanes to two lanes. South leg is a one-way exit. https://visitaky.com/winchester
Ashland, KY
Boyd Co.
United States 		Winchester Ave. (US 23 Business) / 15th St.
(38.47922, -82.64073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Culpeper, VA
Culpeper Co.
United States 		US 522 / Colonel Jameson Blvd.
(38.47944, -78.00346) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.2682 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Culpeper, VA
Culpeper Co.
United States 		Colonel Jameson Blvd. / Old Rixeyville Rd.
(38.47972, -77.99637) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.2274 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Ashland, KY
Boyd Co.
United States 		Winchester Ave. (US 23 Business) / 14th St.
(38.47980, -82.64184) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 One of five mini-roundabouts in series. Road diet from five lanes to two lanes. https://visitaky.com/winchester
Culpeper, VA
Culpeper Co.
United States 		US 15-US 29 Business / Colonel Jameson Blvd.
(38.48020, -77.99338) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.7474 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Montrose, CO
Montrose Co.
United States 		Miami Rd. / Hillcrest Dr.
(38.48179, -107.85677) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 https://www.cityofmontrose.org/701/Miami-Hillcrest-Roundabout-Project
Plymouth, CA
Amador Co.
United States 		SR 49 / Main St.
(38.48184, -120.84483) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3320 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
(unincorporated), MO
Jefferson Co.
United States 		13th St. / Winding Bluffs Dr.
(38.48406, -90.44573) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7865 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Rush River Dr. / Windbridge Dr.
(38.48465, -121.53360) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
32.7212 		Other (At-Grade)
Single-Lane 		2007 Functional Class: Local ICD estimated from Google Maps linework.
Prince Frederick, MD
Calvert Co.
United States 		Oakland Hall Rd. / Abbott Ln. / Bunker Hill Rd.
(38.50147, -76.55177) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Mascoutah, IL
St. Clair Co.
United States 		Falling Leaf Way / Timberbrook Dr. / Antique Ln.
(38.50300, -89.81853) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Belleville, IL
St. Clair Co.
United States 		Centreville Ave. / SR 15 SB Ramps / Whiskey Dr.
(38.50516, -90.00173) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
35.5157 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Belleville, IL
St. Clair Co.
United States 		Centreville Ave. / SR 15 NB Ramps / S Belt W
(38.50591, -90.00011) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
47.6653 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Quantico Base, VA
Prince William Co.
United States 		Barnett Ave. / Russell Rd. / Dunlap Rd. / Damato St.
(38.51066, -77.31001) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Prince Frederick, MD
Calvert Co.
United States 		Skipjack Rd. / Ketch Rd.
(38.51100, -76.64140) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Belleville, IL
St. Clair Co.
United States 		SR 159 (N Illinois St. - S Illinois St.) / E Main St. / W Main St.
(38.51360, -89.98421) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		Painted splitter islands. Circle with roundabout features.
Frankford, DE
Sussex Co.
United States 		Sand Trap Circle
(38.51939, -75.11730) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
São Sebastião, Setúbal
Setúbal
Portugal 		Avenida Luísa Todi / Avenida Jaime Rebelo
(38.52272, -8.88670) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
São Sebastião, Setúbal
Setúbal
Portugal 		Praceta Dona Olga Morães Sarmento [Avenida Jaime Cortesão / Avenida Infante Dom Henrique / Avenida Bento de Jesus Caraça / Avenida Manuel I]
(38.52530, -8.87502) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Winters, CA
Yolo Co.
United States 		SR 128 (E Grant Ave.) / Walnut Ln. / (parking lot)
(38.52629, -121.96733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8992 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Millville, DE
Sussex Co.
United States 		Substation Rd. / Huntington St. / Tybee St.
(38.52679, -75.12575) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.3737 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009). ICD estimated from Google Maps linework.
Shiloh, IL
St. Clair Co.
United States 		Wingate Blvd. / London Ln.
(38.52931, -89.92521) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown