Roundabouts Database

29616 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
Sacramento, CA
Sacramento Co.
United States 		Promenade Cir. / (unknown)
(38.63732, -121.49950) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5175 		Other (At-Grade)
Single-Lane 		2006 Inside commercial/office park. ICD estimated from Google Maps linework.
St Louis, MO
St. Louis Co.
United States 		N Forty Dr. / I-64-US 40 WB Ramps
(38.63631, -90.41822) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
50.3777 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
Folsom, CA
Sacramento Co.
United States 		Grand Prairie Rd. / Rustic Ridge Dr.
(38.63617, -121.09165) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Waldorf, MD
Charles Co.
United States 		Davis Rd. / (School entrance)
(38.63609, -76.97873) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
1 Driveways
33.5852 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Town and Country, MO
St. Louis Co.
United States 		MO 141 SB Ramps / Woods Mill Rd.
(38.63523, -90.51449) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.2503 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Fong Ranch Rd. / Bridgegate Dr.
(38.63510, -121.49340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2020).
St Louis, MO
St. Louis Co.
United States 		S Forty Rd. / I-64-US 40 EB Ramps
(38.63496, -90.41724) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
48.5127 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
Forest Park, MO
St. Louis City Co.
United States 		Concourse Dr. / Washington Dr.
(38.63495, -90.28480) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.3234 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Forest Park, MO
St. Louis City Co.
United States 		Government Dr. / Wells Dr.
(38.63437, -90.30113) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.7814 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
St Louis, MO
St. Louis City Co.
United States 		McKinley Dr. / Wells Dr.
(38.63354, -90.28072) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.4467 		Other (At-Grade)
Single-Lane 		2008 Converted from traffic circle in 2007-2008. Previous circle had on-street parking in circulatory roadway. ICD estimated from Google Maps linework.
Forest Park, MO
St. Louis City Co.
United States 		Hampton Ave. / Concourse Dr. / Wells Dr.
(38.63316, -90.28546) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7207 		Other (At-Grade)
Single-Lane 		2009 Right-turn bypass lane merge in crosswalk area. ICD estimated from Google Maps linework.
East St Louis, IL
St. Clair Co.
United States 		N 9th St. / Baugh Ave. / I-70 EB Onramp
(38.63197, -90.14187) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5871 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Pinhal Novo, Setúbal
Palmela
Portugal 		Praça da Indepedência / Rua El Rei Dom Sancho I / Rua António Sérgio
(38.63156, -8.91099) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Pinhal Novo, Setúbal
Palmela
Portugal 		N252 (Rua Luís de Camões - Avenida dos Ferroviários) / Rua Guerra Junqueiro
(38.63135, -8.91769) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Woodbridge, VA
Prince William Co.
United States 		Potomac Branch Dr. / Oberlin Dr. / Barkham Dr. / Weeburn Way / Cadbury Way
(38.63114, -77.28082) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
East St Louis, IL
St. Clair Co.
United States 		N 9th St. / St Clair Ave.
(38.63094, -90.14386) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.3196 		Other (At-Grade)
Single-Lane 		2013 Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
St. Louis, MO
St. Louis City Co.
United States 		Tower Grove Ave. / I-64 EB Off-Ramp
(38.63045, -90.25538) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5879 		Freeway Ramps (Grade-Separated)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Saint Charles, MD
Charles Co.
United States 		Ethridge Dr. / Nobility Ct.
(38.62769, -76.96461) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter island on north and east legs.
Sacramento, CA
Sacramento Co.
United States 		San Juan Rd. / Azevedo Dr.
(38.62740, -121.50840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.1250 		Other (At-Grade)
Single-Lane 		2004 Constructed using asphalt curbs without reconstructing original curb/gutter/sidewalk. Tactile guide strips in crosswalks. Previously controlled by two-way stop ICD estimated from Google Maps linework.
East St Louis, IL
St. Clair Co.
United States 		N 18th St. / Baugh Ave. / I-64 WB Ramps
(38.62540, -90.13455) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
28.9249 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Long Neck, DE
Sussex Co.
United States 		Shoreview Blvd. / (parking)
(38.62526, -75.18077) 		Other
Existing 		Unknown
Unknown 		2 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Huntingtown, MD
Calvert Co.
United States 		Barberry Dr. / Spears Rd. / Blueberry Ct.
(38.62290, -76.59347) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Paola, KS
Miami Co.
United States 		K-68 / Old Kansas City Rd. / Hedge Ln.
(38.62133, -94.85551) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
44.7895 		Other (At-Grade)
Single-Lane 		2001 First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework.
St. Louis, MO
St. Louis City Co.
United States 		Gratiot St. / S 13th St.
(38.62104, -90.20242) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.5923 		Other (At-Grade)
Single-Lane 		No splitter islands. ICD estimated from Google Maps linework.
Pinhal Novo, Setúbal
Palmela
Portugal 		N252 (Rua José Afonso - Avenida dos Ferroviários) / Rua José Afonso
(38.61814, -8.91773) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
O'Fallon, IL
St. Clair Co.
United States 		Milburn School Rd. / Old Collinsville Rd.
(38.61444, -89.96636) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7290 		Other (At-Grade)
Single-Lane 		2018 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.
Folsom, CA
Sacramento Co.
United States 		Prairie City Rd. / Scott Rd.
(38.61225, -121.14817) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.facebook.com/CityofFolsom/videos/6294236023941862/
Millsboro, DE
Sussex Co.
United States 		Peninsula Esplanade / N Nicklaus Ave. / S Nicklaus Ave.
(38.61209, -75.17355) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
O'Fallon, IL
St. Clair Co.
United States 		Simmons Rd. / Milburn School Rd. / Fairwood Hills Rd.
(38.61146, -89.92906) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.7957 		Other (At-Grade)
Single-Lane 		2016 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.
Natomas, CA
Sacramento Co.
United States 		Orchard Ln. / W. River Dr.
(38.61135, -121.53004) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2005
Saint Charles, MD
Charles Co.
United States 		Devongate St. / Malvern St. / Promenade Pl.
(38.61057, -76.93790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2009 Crosswalks adjacent to circulatory roadway. Year Completed estimated (2008-2009).
Fairview Heights, IL
St. Clair Co.
United States 		Dunhill Dr. / Northshore Dr.
(38.61012, -89.97116) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7309 		Other (At-Grade)
Single-Lane 		2006 No splitter islands. ICD estimated from Google Maps linework.
Huntingtown, MD
Calvert Co.
United States 		Marley Run / Channel Ct. / Plainview Dr.
(38.60911, -76.59709) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Healdsburg, CA
Sonoma Co.
United States 		Healdsburg Ave. / Mill St. / Vine St.
(38.60833, -122.87009) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
36.3981 		Other (At-Grade)
Single-Lane 		2018 At-grade railroad crossing through central island. ICD estimated from Google Maps linework.
Millsboro, DE
Sussex Co.
United States 		Sterling Blvd. / Peninsula Esplanade
(38.60821, -75.16426) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Potomac Heights, MD
Charles Co.
United States 		Cedar Ln. / Glymont Rd. / Greenwood Pl.
(38.60764, -77.14063) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Saint Charles, MD
Charles Co.
United States 		Middletown Rd. / Billingsley Rd.
(38.60721, -76.97561) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 https://www.charlescountymd.gov/our-county/infrastructure/traffic-signal-projects/middletown-road-billingsley-road-roundabout
Saint Louis, MO
St. Louis City
United States 		Center Cross Dr. / Main Dr.
(38.60658, -90.25836) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Huntingtown, MD
Calvert Co.
United States 		Lorins Dr. / Cambridge Dr. / Stephanies Ln.
(38.60541, -76.61564) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; pedestrian access to central island.
Huntingtown, MD
Calvert Co.
United States 		Mairfield Ln. / Liberty Ln. / Fairwood Dr.
(38.60411, -76.58464) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2014 Painted splitter islands added 2017.
O'Fallon, IL
St. Clair Co.
United States 		Porter Rd. / Simmons Rd.
(38.60258, -89.93231) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.7342 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Dushanbe, Districts of Republican Subordination

Tajikistan 		(unknown)
(38.60224, 68.77527) 		Unknown
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Saint-Charles, MD
Charles Co.
United States 		Smugglers Notch Ct. / Jacksonhole Pl.
(38.60188, -76.94805) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Arrentela, Setúbal
Seixal
Portugal 		Avenida Aureliano Mira Fernandes / Rua Rodrigo Sarmento de Beires
(38.60038, -9.06367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Southern Pacific/Richards, CA
Sacramento Co.
United States 		N 7th St. / Vine St.
(38.59962, -121.48959) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.0695 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Southern Pacific/Richards, CA
Sacramento Co.
United States 		(unknown) / (unknown)
(38.59937, -121.49238) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
33.6024 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Woodbridge, VA
Prince William Co.
United States 		Anchor Bend Circle
(38.59517, -77.28977) 		Other
Existing 		Unknown
Unknown 		2 Approaches
12 Driveways
0.0000 		Other (At-Grade)
Unknown
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.
Millsboro, DE
Sussex Co.
United States 		Sheep Pen Rd. / Olney Way / Wright Way
(38.59275, -75.32798) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2020 Year Completed estimated (2018-2022).
O'Fallon, IL
St. Clair Co.
United States 		W State St. / Obernuefermann Rd. / Schwaegel Rd.
(38.59229, -89.92877) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.2043 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		MO 109 / Pond Grover Loop Rd.
(38.59084, -90.64046) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6729 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Bealeton, VA
Fauquier Co.
United States 		Lafayette Ave. / Bowers Run Dr.
(38.58888, -77.77173) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5409 		Other (At-Grade)
Single-Lane 		2015 Roundabout as part of new Mintbrook Development near Bealeton, VA ICD estimated from Google Maps linework.
Salem, IN
Washington Co.
United States 		SR 60-SR 135 (Salem Bypass) / SR 135 (Salem Bypass) / SR 60 / S Jackson St.
(38.58859, -86.06888) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021
Millsboro, DE
Sussex Co.
United States 		Plantation Lakes Blvd. / Belmont Blvd.
(38.58603, -75.31598) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Wildwood, MO
St. Louis Co.
United States 		MO 109 / MO 100 WB Ramps / Windsor Meadow Blvd.
(38.58501, -90.64241) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.2771 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2014 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.
Huntingtown, MD
Calvert Co.
United States 		Queensberry Dr. / Larkspur Ct.
(38.58450, -76.55968) 		Other
Existing 		Unknown
Unknown 		3 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Huntingtown, MD
Calvert Co.
United States 		Queensberry Dr. / Carlon Ct. / Duchess Ln. / (unknown)
(38.58381, -76.55492) 		Other
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Wildwood, MO
St. Louis Co.
United States 		MO 109 / MO 100 EB Ramps
(38.58348, -90.64292) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Year Completed estimated (2019-2020).
Dushanbe, Districts of Republican Subordination

Tajikistan 		E60 / F Mukhammadiev St.
(38.58165, 68.72395) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Circulating traffic yields to entering traffic.
Wildwood, MO
St. Louis Co.
United States 		MO 109 / Main St.
(38.58163, -90.64350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Year Completed estimated (2019-2020).
Saint-Charles, MD
Charles Co.
United States 		St Owen Ct. / Oyster Reef Pl. / Ottawa Park Pl.
(38.58026, -76.91047) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2008
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Elderberry Ln.
(38.57910, -90.61965) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.0099 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Dushanbe, Districts of Republican Subordination

Tajikistan 		Shohtemur St. / Druzhba Narodov St.
(38.57906, 68.80067) 		Unknown
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Wildwood, MO
St. Louis Co.
United States 		Manchester Rd. / Village Hills Pkwy. / Taylor Rd.
(38.57818, -90.62749) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.4797 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Jefferson City, MO
Cole Co.
United States 		W Stadium Blvd. / Hyde Park Rd. / (future street)
(38.57733, -92.21556) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2010 Fourth leg stubbed.
Dagsboro, DE
Sussex Co.
United States 		Seagrass Plantation Ln. / Bluffton Ct.
(38.57678, -75.14570) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Jefferson City, MO
Cole Co.
United States 		W Stadium Blvd. / Hard Rock Dr. / (parking lot)
(38.57584, -92.21602) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Add-lane right-turn bypass lane on north leg; yield-controlled right-turn bypass lane on west leg.
Jefferson City, MO
Cole Co.
United States 		Stoneridge Pkwy. / Hard Rock Dr.
(38.57574, -92.22419) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2015 Year Completed estimated (2015-2017).
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Huntingtown, MD
Calvert Co.
United States 		Huntsman Dr. / Horse Pen Run / Hardesty Rd.
(38.57357, -76.54875) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Waterside Dr.
(38.57311, -90.62062) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.8135 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Villafranca de los Barros, Estremadura
Badajoz
Spain 		N-630 / BA-002 / (unknown)
(38.57127, -6.35166) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Concentric circulatory roadway striping.
Ocean View, DE
Sussex Co.
United States 		Pettinaro Dr. / Fairway Blvd. / Anderson Dr.
(38.57018, -75.10036) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Villafranca de los Barros, Estremadura
Badajoz
Spain 		EX-334 / BA-002
(38.56983, -6.32994) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Unstriped circulatory roadway.
Jefferson City, MO
Cole Co.
United States 		Old Lohman Rd. / Westview Dr. / Big Horn Dr.
(38.56917, -92.28955) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2011 Elliptical shaped. ICD = 140 ft x 120 ft.
Davis, CA
Yolo Co.
United States 		Moore Blvd. / Rockwell Dr.
(38.56830, -121.72630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.2127 		Other (At-Grade)
Single-Lane 		1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Roaring Fork Dr. / (school access)
(38.56734, -90.61948) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.1469 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Wildwood, MO
St. Louis Co.
United States 		Old Fairway Dr. / Nantucket Island Dr.
(38.56696, -90.61728) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.8088 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Butterfield Way / (parking)
(38.56675, -121.34436) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Single-Lane 		West leg stop controlled.
Jefferson City, MO
Cole Co.
United States 		Central Stadium Blvd. / Jefferson St.
(38.56496, -92.18680) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.7585 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Ocean View, DE
Sussex Co.
United States 		Bay Forest Dr. / Starling Rd. / Shearwater Dr.
(38.56493, -75.11833) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Davis, CA
Yolo Co.
United States 		Moore Blvd. / Wright Blvd.
(38.56490, -121.71860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.2801 		Other (At-Grade)
Single-Lane 		1999 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		Arboretuem Way / (unknown)
(38.56426, -121.42935) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018 Painted splitter islands.
Ocean View, DE
Sussex Co.
United States 		Bay Forest Dr.
(38.56385, -75.12188) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Davis, CA
Yolo Co.
United States 		Cannery Ave. / Cannery Loop
(38.56265, -121.73883) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6196 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Anderson Rd. / Alvarado Ave.
(38.56210, -121.75850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.2149 		Other (At-Grade)
Single-Lane 		1997 Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework.
Villafranca de los Barros, Estremadura
Badajoz
Spain 		EX-342 / BA-002
(38.56191, -6.32363) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Prince Frederick, MD
Calvert Co.
United States 		Frederick Blvd. / Auto Dr.
(38.56178, -76.60339) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2009).
Jefferson City, MO
Cole Co.
United States 		Leslie Blvd. / Stadium Blvd. / Lafayette St.
(38.56052, -92.17668) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2009-2010).
Jefferson City, MO
Cole Co.
United States 		Mission Dr. / Rolling Hills Dr. / St. Marys Health Center access / (future road) / (future road)
(38.56022, -92.21954) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
57.9024 		Other (At-Grade)
Single-Lane 		2013 Access to hospital. ICD estimated from Google Maps linework.
Villafranca de los Barros, Estremadura
Badajoz
Spain 		EX-630 / Avenida del Trabajo
(38.55986, -6.35563) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Centreville, IL
St. Clair Co.
United States 		SR 13 / SR 157
(38.55853, -90.09956) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2008
Dushanbe, Districts of Republican Subordination

Tajikistan 		Saadi Sherozi Ave. / Abuail Ibn Sino Ave.
(38.55845, 68.75499) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Hamburger shaped.
Villafranca de los Barros, Estremadura
Badajoz
Spain 		EX-360 / Avenida del Progresso
(38.55667, -6.35901) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Concentric circulatory roadway striping.