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
Lincoln, CA
Placer Co.
United States 		Gateway Dr. / E St. / Crystalwood Cir.
(38.88457, -121.29021) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2007).
South Milford Historic District, DE
Sussex Co.
United States 		Wellness Way / Healthy Way / (parking)
(38.88506, -75.39323) 		Other
Existing 		Unknown
Unknown 		2 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Xigang District, Liaoning
Dalian
China 		Bayi Plaza
(38.88559, 121.64033) 		Unknown
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Sobralinho, Lisbon
Vila Franca de Xira
Portugal 		N10 (Caminho de Santiago-Caminho Português) / Estrada d'Alfarrobeira / (parking)
(38.88563, -9.04786) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Olathe, KS
Johnson Co.
United States 		N Hedge Ln. / N Spruce St.
(38.88567, -94.85044) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6239 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Replaced older roundabout when new roadway (Hedge Ln.) added. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Indian Wells Dr. / Spruce St.
(38.88568, -94.85022) 		Roundabout
Removed 		All-Way Yield
None 		2 Approaches
0 Driveways
44.6239 		Other (At-Grade)
Single-Lane 		2002 Replaced in 2015 with new roundabout in location shifted slightly to west. ICD estimated from Google Maps linework.
Arlington, VA
Arlington Co.
United States 		Memorial Dr. / Arlington Memorial Bridge
(38.88573, -77.06004) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
114.3488 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Hwy KK / S Scott Blvd. / (parking lot entrance)
(38.88590, -92.40107) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
58.5687 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		133rd St. / Lamar Ave.
(38.88654, -94.65847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1862 		Other (At-Grade)
Single-Lane 		2006 Completed May 2006. ICD estimated from Google Maps linework.
Oakton, VA
Fairfax Co.
United States 		Hunter Mill Rd. / Mystic Meadow Way
(38.88680, -77.30187) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.9599 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		N Hedge Ln. / N Cedar Hills St.
(38.88697, -94.85232) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6231 		Other (At-Grade)
Single-Lane 		2015 Design completed in 2015, construction of roundabout is a part of development for new school. Aerial image shows construction completed for roundabout. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Kansas City Rd. / Buchanan St. / Prairie St.
(38.88704, -94.80763) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.9598 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop ICD estimated from Google Maps linework.
South Milford Historic District, DE
Sussex Co.
United States 		Homestead Blvd. / Hickory Branch Ct.
(38.88737, -75.39758) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Overland Park, KS
Johnson Co.
United States 		W 132nd St. / W 133rd St. / N Hemlock St.
(38.88772, -94.68264) 		Roundabout
Unknown 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Grandview, MO
Jackson Co.
United States 		Main St. / US 71 Frontage Rd.
(38.88876, -94.52422) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Unknown 		2022 https://www.grandview.org/government/city-departments/public-works/projects/i-49-outer-roads-conversion
Olathe, KS
Johnson Co.
United States 		Kansas City Rd. / Nelson Rd. / Church St.
(38.88896, -94.80412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.1702 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Sobralinho, Lisbon
Vila Franca de Xira
Portugal 		EM501 (Estrada d'Alfarrobeira) / Rua Rio Seco / A1 (Autoestrada do Norte) NB Ramp
(38.88909, -9.05134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Arlington, VA
Arlington Co.
United States 		N Danville St. / Franklin Rd. / N Bryan St.
(38.89067, -77.09073) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking in circulatory roadway.
Overland Park, KS
Johnson Co.
United States 		W 132nd St. / Foster St.
(38.89080, -94.67341) 		Unknown
Unknown 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Colorado Springs, CO
El Paso Co.
United States 		Regent Cir. / (parking lot)
(38.89134, -104.79788) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3949 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Arlington, VA
Arlington Co.
United States 		Key Blvd. / N Fillmore St.
(38.89146, -77.09415) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Colorado Springs, CO
El Paso Co.
United States 		University of Colorado - Colorado Springs
(38.89215, -104.80190) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
36.2537 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Arlington, VA
Arlington Co.
United States 		Key Blvd. / N Danville St.
(38.89224, -77.09208) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Hays, KS
Ellis Co.
United States 		Vine St. (US 183) / 32nd St.
(38.89226, -99.31769) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 Part of a peanut-shaped set with 33rd Street. https://hayspost.com/posts/7dd5d9eb-456f-47d7-bde0-70d6a92d504a
Columbia, MO
Boone Co.
United States 		Bristol Lake Dr. / Braddington Dr.
(38.89246, -92.29611) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.3098 		Other (At-Grade)
Single-Lane 		2006 fourth approach is now built; see Google satellite view ICD estimated from Google Maps linework.
Arlington, VA
Arlington Co.
United States 		Key Blvd. / N Cleveland St.
(38.89253, -77.09099) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Hays, KS
Ellis Co.
United States 		Vine St. (US 183) / 33rd St.
(38.89277, -99.31768) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 Part of a peanut-shaped set with 32nd Street. https://hayspost.com/posts/7dd5d9eb-456f-47d7-bde0-70d6a92d504a
South Milford Historic District, DE
Sussex Co.
United States 		Crown Circle
(38.89370, -75.41283) 		Other
Existing 		Unknown
Unknown 		4 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Columbia, MO
Boone Co.
United States 		Nocona Pkwy. / Endeavor Ave.
(38.89488, -92.28544) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8159 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Hays, KS
Ellis Co.
United States 		Vine St. (US 183) / W 37th St. / E 37th St.
(38.89633, -99.31777) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 https://hayspost.com/posts/8b04e698-656a-41e7-86e6-e165ff1e4e68
Colorado Springs, CO
El Paso Co.
United States 		Shale Dr. / Graphite Dr.
(38.89675, -104.67676) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2018 Very wide circulatory roadway relative to entry width. Year Completed estimated (2017-2019).
Hays, KS
Ellis Co.
United States 		Vine St. (US 183) / I-70 EB Ramps
(38.89756, -99.31782) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2021 https://hayspost.com/posts/8b04e698-656a-41e7-86e6-e165ff1e4e68
Columbia, MO
Boone Co.
United States 		Wisteria Ln. / Crape Myrtle Dr.
(38.89785, -92.38804) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.5196 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
New Florence, MO
Montgomery Co.
United States 		MO 19 / Tree Farm Rd. / I-70 EB Ramps
(38.89821, -91.45624) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 https://www.modot.org/node/35298
Summerfield, MD
Prince George's Co.
United States 		Ridgefield Blvd. / Chatsfield Way / Valley Trail Ln.
(38.89834, -76.86172) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Colorado Springs, CO
El Paso Co.
United States 		Stanton Rd. / (parking)
(38.89862, -104.80622) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2013 On college/university campus. Year Completed estimated (2011-2015).
Columbia, MO
Boone Co.
United States 		Nocona Pkwy. / Kentsfield Ln.
(38.89915, -92.28609) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.5450 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Collegiate Dr. / Michael Dr.
(38.89928, -104.78230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7308 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Davidsonville Historic District, MD
Prince George's Co.
United States 		Cameron Grove Blvd. / New Acadia Ln.
(38.89933, -76.77575) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Hays, KS
Ellis Co.
United States 		Vine St. (US 183) / E 41st St. / W Mopar Dr.
(38.90005, -99.31783) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2021 https://hayspost.com/posts/8b04e698-656a-41e7-86e6-e165ff1e4e68
Lees Summit, MO
Jackson Co.
United States 		Blackwell Rd. / US 50 EB Ramps
(38.90035, -94.31879) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.3326 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
New Florence, MO
Montgomery Co.
United States 		MO 19 / Booneslick Rd. / I-70 WB Ramps
(38.90090, -91.45707) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2023 https://www.modot.org/node/35298 Combined freeway interchange with at-grade intersection. Previously, the interchange was stop controlled and the intersection had traffic lights.
Columbia, MO
Boone Co.
United States 		E Southampton Dr. / State Farm Pkwy.
(38.90095, -92.32656) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.6018 		Other (At-Grade)
Single-Lane 		2008 Two approaches stubbed. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Ponderosa St. / Nocona Pkwy. / Kentsfield Ln.
(38.90172, -92.28732) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.6139 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Lake Arbor, MD
Prince George's Co.
United States 		Lake Arbor Way / Congressional Ct.
(38.90201, -76.80962) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Vienna, VA
Fairfax Co.
United States 		Park St. SE / Locust St. SE
(38.90205, -77.26091) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
14.8712 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 Year Completed estimated (2016-2018). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		Blackwell Rd. / US 50 WB Ramps
(38.90226, -94.31855) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
52.0491 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Washington Circle (Penn. Ave. / New Hampshire Ave. / 23rd St. / K St.)
(38.90252, -77.05010) 		Signalized Roundabout/Circle
Existing 		Signal
None 		8 Approaches
0 Driveways
119.8984 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Eagle Rock Rd. / Spine Rd.
(38.90327, -104.81455) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6008 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		Shenandoah Dr. / SE Church St.
(38.90358, -94.32157) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.1187 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Ponderosa St. / Philips Farm Rd.
(38.90387, -92.29025) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
40.8948 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		Shenandoah Dr. / Blackwell Rd.
(38.90412, -94.31868) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.0477 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Jefferson St. / SW Blue Pkwy / US 50 WB Ramps
(38.90430, -94.37773) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
59.4360 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2018 Roundabout is one terminal of a Diverging Diamond Interchange (DDI). Opened May 2018.
Sobralinho, Lisbon
Vila Franca de Xira
Portugal 		N10 (Caminho de Santiago-Caminho Português) / Rua Projectada ao Choupal
(38.90435, -9.03434) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
South Riding, VA
Loudoun Co.
United States 		Poland Rd. / Edgewater St.
(38.90447, -77.49177) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.2355 		Other (At-Grade)
Single-Lane 		2018 Temporary roundabout installed in 2013; replaced by permanent roundabout in June 2018. ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Longview Rd. / SW Sampson Rd.
(38.90564, -94.44194) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8938 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Thomas Circle (Mass Ave. / Vermont Ave. / 14th St. / M St.)
(38.90565, -77.03196) 		Signalized Roundabout/Circle
Existing 		Signal
None 		6 Approaches
0 Driveways
75.2817 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Lee's Summit, MO
Jackson Co.
United States 		SW Longview Blvd. / SW Longview Rd. / SW Redbuck Cir.
(38.90582, -94.44718) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1878 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / Montebello Dr.
(38.90582, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.4468 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Lake Arbor, MD
Prince George's Co.
United States 		Lake Arbor Way / Golf Course Dr.
(38.90618, -76.81975) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Colorado Springs, CO
El Paso Co.
United States 		Kettle Drum St. / Antelope Ridge Dr.
(38.90673, -104.68530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6699 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Alton, IL
Madison Co.
United States 		Central Ave. / College Ave.
(38.90689, -90.17172) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Parking along circulatory roadway.
Lake Arbor, MD
Prince George's Co.
United States 		Lake Arbor Way / Fairlakes Pl
(38.90717, -76.82304) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Washington, DC
N/A Co.
United States 		Scott Circle (Mass. Ave. / Rhode Isl. Ave. / 16th St. / N St.)
(38.90725, -77.03654) 		Signalized Roundabout/Circle
Existing 		Signal
None 		6 Approaches
0 Driveways
51.1161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Antelope Ridge Dr. / Blue Vail Way
(38.90824, -104.68610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5986 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Lee's Summit, MO
Jackson Co.
United States 		SW Longview Blvd. / SW Keesler Dr.
(38.90892, -94.44749) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6093 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Renner Rd. / South Bass Pro entrance
(38.90922, -94.77960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5981 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Opened February 2007. Access to Bass Pro retail center. ICD estimated from Google Maps linework.
Aldie, VA
Loudoun Co.
United States 		Grasslane Grove Dr. / Tulip Poplar Pl.
(38.90950, -77.57771) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Washington, DC
N/A Co.
United States 		Logan Circle (Rhode Isl. Ave. / Vermont Ave. / 13th St. / P St.)
(38.90965, -77.02963) 		Signalized Roundabout/Circle
Existing 		Signal
None 		5 Approaches
0 Driveways
120.8157 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Dupont Circle (Mass Ave. / Conn. Ave. / New Hampshire Ave.19th St. / P St.)
(38.90965, -77.04344) 		Signalized Roundabout/Circle
Existing 		Signal
None 		10 Approaches
0 Driveways
137.5441 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Rockhurst Blvd. / University Park Blvd.
(38.91005, -104.78980) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
21.3750 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		W Nifong Blvd. / Sinclair St.
(38.91006, -92.37251) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Gardnerville, NV
Douglas Co.
United States 		NV-88 / Centerville Ln.
(38.91043, -119.77916) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.3749 		Other (At-Grade)
Single-Lane 		2018 Compact roundabout. ICD estimated from Google Maps linework.
Aldie, VA
Loudoun Co.
United States 		Grassland Grove Dr. / Bergamot Way / Ellenvale Farm Dr.
(38.91077, -77.58417) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Columbia, MO
Boone Co.
United States 		W Nifong Blvd. / S County Woods Rd. / Vawter School Rd. / S Old Mill Creek Rd.
(38.91097, -92.38182) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.como.gov/CMS/pressreleases/view.php?id=6689&tbiframe=1
Olathe, KS
Johnson Co.
United States 		Access Rd. / Bass Pro entrance
(38.91125, -94.77769) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0919 		Other (At-Grade)
Single-Lane 		2007 Opened February 2007. Access to Bass Pro retail center. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Renner Rd. / North Bass Pro entrance
(38.91125, -94.77965) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3852 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Opened February 2007. Access to Bass Pro retail center. ICD estimated from Google Maps linework.
Lee's Summit, MO
Jackson Co.
United States 		SW Longview Blvd. / SW Fascination Dr.
(38.91153, -94.44954) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6077 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Lamezia Terme, Calabria
Catanzaro
Italy 		E848-SS280 / SS18 Ramps / Via Zuccherificio / Viale Fortunato D'Amico / Viale Rodolfo Imbrogno
(38.91177, 16.25494) 		Rotary
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Washington, DC
N/A Co.
United States 		Sheridan Circle (Mass Ave. / 23rd St. / R St.)
(38.91214, -77.05065) 		Rotary
Existing 		Uncontrolled
None 		0 Approaches
0 Driveways
69.6989 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		S Scott Blvd. / Vawter School Rd. / S Brushwood Lake Rd.
(38.91264, -92.40001) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.3846 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Forum Blvd. / Green Meadows Rd.
(38.91311, -92.35373) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 https://www.youtube.com/watch?v=HiB5NQzLK9w. Completed October 2019. ICD estimated from Google Maps linework.
Union, KY
Boone Co.
United States 		Richwood Rd. / Grand National Blvd. / Triple Crown Blvd.
(38.91348, -84.63578) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2022 https://www.drivingnkyprogress.org/richwoodrd
Oak Forest, MO
Boone Co.
United States 		Buttonwood Dr. / MO-163 (S Providence Rd) NB Ramps / (frontage road)
(38.91363, -92.33413) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
29.7376 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 ICD estimated from Google Maps linework.
Chantilly, VA
Fairfax Co.
United States 		Historic Sully Way
(38.91369, -77.42696) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6567 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Lee's Summit, MO
Jackson Co.
United States 		Bridlewood Dr. / Lewis Dr.
(38.91375, -94.44021) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2007
Olathe, KS
Johnson Co.
United States 		118th St. / Greenwood St.
(38.91447, -94.75040) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.3130 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Bearfield Plaza, MO
Boone Co.
United States 		S Bearfield Rd. / Chinaberry Dr. / Old US 63
(38.91501, -92.30289) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.0906 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (1995-2003). ICD estimated from Google Maps linework.
Kansas City, MO
Jackson Co.
United States 		Longview Rd. / Hickman Mills Dr.
(38.91621, -94.52367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4536 		Other (At-Grade)
Single-Lane 		2009 Right-turn bypass lane on north leg. ICD estimated from Google Maps linework.
Kansas City, MO
Jackson Co.
United States 		E Longview Rd. / I-49 NB Ramps
(38.91633, -94.52590) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.3120 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		E Green Meadows Rd. / Carter Ln.
(38.91638, -92.33246) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
32.5242 		Other (At-Grade)
Single-Lane 		2010 Bing map has this on S Providence Rd, but that's wrong, since Providence Rd is the N-S freeway just to the west. Googlemaps says Carter Ln. ICD estimated from Google Maps linework.
Kansas City, MO
Jackson Co.
United States 		E Longview Rd. / S Frontage Rd. (I-49 SB Ramps)
(38.91638, -94.52781) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.4535 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		New York Ave. / Montana Ave. / West Virginia Ave.
(38.91723, -76.97813) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
65.9769 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Gardnerville, NV
Douglas Co.
United States 		Muller Pkwy. / Pinenut Rd.
(38.91887, -119.71378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 West leg stubbed.
Olathe, KS
Johnson Co.
United States 		S Greenwood St. / W 116th St.
(38.91921, -94.74988) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2007-2008).
Summerfield, MD
Prince George's Co.
United States 		Saint Josephs Dr. / Grove Hurst Ln.
(38.91969, -76.84060) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012
Lamezia Terme, Calabria
Catanzaro
Italy 		SP108 / Localita Angillito
(38.92040, 16.27348) 		Rotary
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
195.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Washington, DC
City of Washington Co.
United States 		Brentwood Rd NE / Bryant Rd NE / 13th St NE
(38.92115, -76.98915) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
39.0264 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 First true roundabout in District of Columbia ICD estimated from Google Maps linework.
Glenarden, MD
Prince George's Co.
United States 		Campus Way N / McHugh Dr.
(38.92127, -76.84944) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Inside shopping center. No splitter islands on northwest and southeast legs.
Summerfield, MD
Prince George's Co.
United States 		Ruby Lockhart Blvd. / Taj Ln.
(38.92163, -76.84438) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011