Roundabouts Database

30321 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 		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.
Montrose, CO
Montrose Co.
United States 		Grand Ave. / N 9th St.
(38.48349, -107.88856) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
(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
São Sebastião, Setúbal
Setúbal
Portugal 		Praça de Portugal [Avenida Dom João II / Avenida Infante Dom Henrique / Avenida Pedro Álvares Cabral / Avenida Afonso de Albuquerque]
(38.53010, -8.87533) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Swansea, IL
St. Clair Co.
United States 		Berwick Crossing
(38.53100, -89.92281) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Prince Frederick, MD
Calvert Co.
United States 		Prince Frederick Blvd. / Thoroughbred Dr. / Equestrian Way
(38.53171, -76.58916) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
São Sebastião, Setúbal
Setúbal
Portugal 		N10 (Rua António José Baptista - Avenida do Alentejo) / Avenida Pedro Álvares Cabral
(38.53207, -8.87541) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Davis, CA
Yolo Co.
United States 		Old Davis Rd. / California Ave.
(38.53318, -121.75180) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.7649 		Other (At-Grade)
Single-Lane 		2011 Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Hughesville, MD
Charles Co.
United States 		MD 231 / MD 5 SB Ramps
(38.53381, -76.77969) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
58.8579 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Ocean View, DE
Sussex Co.
United States 		Bella Via Way
(38.53396, -75.09929) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway.
Hughesville, MD
Charles Co.
United States 		MD 231 / MD 5 NB Ramps
(38.53426, -76.77790) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
54.1863 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
São Sebastião, Setúbal
Setúbal
Portugal 		N10 / M542 (Estrada de Algeruz) / Avenida das Descobertas
(38.53478, -8.86714) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Santa Maria da Graça, Setúbal
Setúbal
Portugal 		N10 (Avenida da Europa) / Rua Manuel Joaquim Santana Reimão
(38.53485, -8.89007) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Davis, CA
Yolo Co.
United States 		Bioletti Way / Bainer Hall Dr.
(38.53608, -121.75682) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted and marked central and splitter islands.
Davis, CA
Yolo Co.
United States 		Bainer Hall Dr. / (unknown)
(38.53655, -121.75405) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted splitter islands.
Triangle, VA
Prince William Co.
United States 		Potomac Crest Dr. / Lady Catherine Cir.
(38.53672, -77.31500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9607 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Campbell Rd.
(38.53686, -121.77170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.4343 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 Near University of California Davis college campus. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Tercero Hall Cir. / Bioletti Way
(38.53743, -121.75582) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Oval shaped. Painted and marked central and splitter islands.
Millville, DE
Sussex Co.
United States 		Brandywine Dr. / Bishop Landing Dr.
(38.53750, -75.11995) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Davis, CA
Yolo Co.
United States 		Engineering Bikeway / (unknown)
(38.53777, -121.75421) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Open to bicycles and pedestrians only.
Ironton, OH
Lawrence Co.
United States 		SR 93 (Park Ave.) / US 52 EB Ramps
(38.53856, -82.67758) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 https://www.facebook.com/photo.php?fbid=611157614528583&id=100069030495739&set=a.176172631360419
São Sebastião, Setúbal
Setúbal
Portugal 		Praça Miguel de Castro [Avenida Coração de Maria / Rua Nova de Sintra / Rua Central da Azeda]
(38.53858, -8.87766) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Davis, CA
Yolo Co.
United States 		California Ave. / Hutchison Dr.
(38.53909, -121.75200) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3015 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / (unknown)
(38.53910, -121.75450) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Yield control only on side street.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / (unknown)
(38.53911, -121.75507) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Yield control only on side street.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Bioletti Way
(38.53915, -121.75619) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2012 Oval shaped. ICD = 65 ft x 55 ft. Painted and marked central and splitter islands.
Davis, CA
Yolo Co.
United States 		Hutchison Dr. / Hutchison Pl. / Sage St.
(38.53933, -121.77160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Near University of California Davis college campus. Constructed initially as two-lane roundabout; converted to single-lane in 2020-2022.
Valley Park, MO
St. Louis Co.
United States 		Outer Rd. W / I-44 WB Ramp
(38.53947, -90.49870) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.3013 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Ironton, OH
Lawrence Co.
United States 		SR 93 (Park Dr.) / US 52 WB Ramps
(38.53950, -82.67593) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 https://www.facebook.com/photo.php?fbid=611157614528583&id=100069030495739&set=a.176172631360419
Davis, CA
Yolo Co.
United States 		California Ave. / Shields Ave.
(38.53989, -121.75222) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Painted and marked central island and splitter islands on north and south legs. No splitter island on east leg.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / West Quad
(38.54028, -121.75010) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.9467 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Valley Park, MO
St. Louis Co.
United States 		Meramec St. / N Highway Dr.
(38.54078, -90.49276) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
32.6957 		Other (At-Grade)
Single-Lane 		2017 At-grade railroad crossing on east leg. ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Storer Mall
(38.54082, -121.75250) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.0783 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Jefferson City, MO
Cole Co.
United States 		E McCarty St. / US 50 EB Ramps / Supercenter Dr.
(38.54169, -92.12189) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Yielding right-turn bypass lane with acute view angle on northwest leg. Year Completed estimated (2007-2009).
Davis, CA
Yolo Co.
United States 		Tilia St. / Citron St.
(38.54207, -121.77631) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Davis, CA
Yolo Co.
United States 		California Ave. / North Quad
(38.54252, -121.75300) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.5511 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Acer St. / Celadon St.
(38.54316, -121.77348) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Davis, CA
Yolo Co.
United States 		Acer St. / Citron St.
(38.54317, -121.77625) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Concord, MO
St. Louis Co.
United States 		Richmond Cavalry Dr. / Vicksburg Siege Ct.
(38.54358, -90.35063) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014
Jefferson City, MO
Cole Co.
United States 		E McCarty St. / US 50 WB Ramps
(38.54432, -92.11960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Year Completed estimated (2007-2009).
Bethany Beach, DE
Sussex Co.
United States 		Canal Way W
(38.54536, -75.07776) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
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.
Prince Frederick, MD
Calvert Co.
United States 		Silverwood Ln. / English Oak Ln. / Running Brook Way
(38.54713, -76.58000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2007
Windsor, CA
Sonoma Co.
United States 		Windsor River Rd. / Windsor Rd.
(38.54725, -122.81687) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Rail line through central island.
Davis, CA
Yolo Co.
United States 		Cowell Blvd. / Chiles Rd. / Drummond Ave.
(38.54760, -121.71297) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8903 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Triangle, VA
Prince William Co.
United States 		Kerill Rd. / Dondis Creek Ct.
(38.54794, -77.31411) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.4177 		Other (At-Grade)
Single-Lane 		2010 Functional Class: Local ICD estimated from Google Maps linework.
Prince Frederick, MD
Calvert Co.
United States 		MD 402 Dares Beach Rd. / Armory Rd.
(38.54877, -76.58590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2014
Prince Frederick, MD
Calvert Co.
United States 		Cambridge Pl. / Allnutt Ct. / (parking)
(38.54943, -76.59467) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Windsor, CA
Sonoma Co.
United States 		Old Redwood Hwy / Market St
(38.54956, -122.81353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.5598 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Triangle, VA
Prince William Co.
United States 		Stonewall Manor Dr. / Kerill Rd.
(38.54970, -77.31860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.0873 		Other (At-Grade)
Single-Lane 		2005 Functional Class: Local ICD estimated from Google Maps linework.
Jefferson City, MO
Cole Co.
United States 		Ellis Blvd. / Tanner Bridge Rd.
(38.55085, -92.18866) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011 Elliptical shape. ICD = 135 ft x 125 ft. Skewed intersection. Right-turn bypass lane due to skew on west leg. Year Completed estimated (2010-2011).
French Lick, IN
Orange Co.
United States 		S Cook Blvd. / W Jack Carnes Way
(38.55114, -86.61859) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Davis, CA
Yolo Co.
United States 		5th St. / Cantrill Dr.
(38.55160, -121.72010) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9547 		Other (At-Grade)
Single-Lane 		1998 Police station on SW corner. Date estimated. ICD estimated from Google Maps linework.
Prince Frederick, MD
Calvert Co.
United States 		Prince Frederick Blvd. / Chapline Place Blvd.
(38.55239, -76.59551) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). Initially constructed as two-lane roundabout with concentric striped circulatory roadway. Converted to single-lane roundabout 2007-2009.
Windsor, CA
Sonoma Co.
United States 		Old Redwood Hwy / Windsor Rd
(38.55271, -122.81661) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7562 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		X St. / 48th St.
(38.55347, -121.45030) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.0299 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 ICD estimated from Google Maps linework.
Dumfries, VA
Prince William Co.
United States 		Stonewall Manor Dr. / Cabin Rd.
(38.55385, -77.31572) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
25.2178 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
West Sacramento, CA
Yolo Co.
United States 		Village Pkwy. / Stonegate Dr.
(38.55465, -121.52167) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2016 http://www.westsac.com/news-ledger/2016/10/20/ribbon-cutting-to-celebrate-new-roadway-the-village-parkway-north/
Davis, CA
Yolo Co.
United States 		Shasta Dr. / Olympic Dr.
(38.55540, -121.77620) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.2833 		Other (At-Grade)
Single-Lane 		1999 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
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.
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.
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
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
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.
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).
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).
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
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.
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.
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
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.