Roundabouts Database

29411 Results

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City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
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.
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
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.
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
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
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
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.
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.
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.
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.
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.
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.
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.
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.
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)
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)
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
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).
Washington, DC

United States 		Maryland Ave. SW
(38.88408, -77.03003) 		Other
Existing 		All-Way Yield
Unknown 		1 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian access to central island; parking along circulatory roadway.
Colorado Springs, CO
El Paso Co.
United States 		Tutt Blvd. / Greenway Pl. / (parking)
(38.88292, -104.71469) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2023 Year Completed estimated (2022-2023).
Colorado Springs, CO
El Paso Co.
United States 		N Hancock Ave. / Pirates Heights / (parking lot)
(38.88244, -104.80185) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.8912 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Washington, DC

United States 		L'Enfant Plaza SW
(38.88172, -77.02601) 		Other
Existing 		Other
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Chantilly, VA
Fairfax Co.
United States 		VA 620 (Braddock Rd.) / VA 609 (Pleasant Valley Rd.)
(38.88170, -77.48570) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1024 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 3rd St. SW
(38.88127, -77.01520) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.9620 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		G St. / 1st St. SW
(38.88119, -77.01228) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6106 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		Carson St. / Payton Dr. / Kobe Dr.
(38.88090, -94.66183) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
26.9621 		Other (At-Grade)
Single-Lane 		2012 No yield signs or other control but otherwise typical roundabout geometry. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		S. Ridgeview Rd. / E. Loula St.
(38.88069, -94.79726) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
25.1027 		Other (At-Grade)
Single-Lane 		2004 Completed August 2004. ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Pennsylvania Ave. / Potomac Ave.
(38.88034, -76.98549) 		Signalized Roundabout/Circle
Existing 		Signal
None 		0 Approaches
0 Driveways
81.8167 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		H St. / Delaware Ave.
(38.88028, -77.01262) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
31.6110 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Cascades Dr. / Chelan Dr. / Chelan Cir.
(38.88024, -92.37684) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8218 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		Lamar Ave. / W 137th St. / W 138th St.
(38.88011, -94.65830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://twitter.com/opcares/status/1307342447027122177
Oakton, VA
Fairfax Co.
United States 		Nutley St. SW / I-66 WB Exit Ramp
(38.87982, -77.26743) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2023 Replaces full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Vialonga, Lisbon
Vila Franca de Xira
Portugal 		EM502 (Rua do Olival Santo) / EM501 (Pátio do Castelo) / Rua Primeiro de Maio
(38.87880, -9.06559) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Davidsonville Historic District, MD
Prince George's Co.
United States 		Oak Grove Rd. / (parking)
(38.87858, -76.77717) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Colorado Springs, CO
El Paso Co.
United States 		(unknown #2)
(38.87847, -104.84910) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
18.5952 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States 		Randle Circle (Mass. Ave. / Minn. Ave. / K St.)
(38.87810, -76.96148) 		Signalized Roundabout/Circle
Existing 		Signal
None 		7 Approaches
0 Driveways
118.0801 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Mesa Rd. / Kissing Camels Dr.
(38.87808, -104.86580) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.7525 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		N 30th St. / Gateway Rd.
(38.87780, -104.87071) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2023 https://coloradosprings.gov/project/30th-street-corridor-project
Colorado Springs, CO
El Paso Co.
United States 		Carefree Cir. / New Center Pl.
(38.87741, -104.71720) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
44.6291 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 ICD estimated from Google Maps linework.
Oak Grove, MD
Prince Georges Co.
United States 		MD 193 (Watkins Park Dr.) / Oak Grove Rd.
(38.87737, -76.78108) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1207 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Grandview, MO
Jackson Co.
United States 		US 71 SB Frontage Rd. / I-49-US 71 SB Ramps
(38.87725, -94.52680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8637 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 https://www.grandview.org/government/city-departments/public-works/projects/i-49-outer-roads-conversion
Oakton, VA
Fairfax Co.
United States 		Nutley St. SW / I-66 EB Exit Ramp
(38.87714, -77.26629) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2023 Replaced full cloverleaf interchange. https://outside.transform66.org/about_the_project/project_sections/nutley.asp
Oakton, VA
Fairfax Co.
United States 		Saintsbury Dr. / (transit center parking lot)
(38.87667, -77.26993) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2013 Serves Metro station. Right-turn-only lanes on east and west legs. South leg stubbed. Year Completed estimated (2012-2014).
Vialonga, Lisbon
Vila Franca de Xira
Portugal 		N501-EM502 / Rua dos Caniços
(38.87617, -9.06925) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Oakton, VA
Fairfax Co.
United States 		Saintsbury Dr. / (transit center parking garage)
(38.87600, -77.27317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2013 Serves Metro station. Right-turn-only lanes on northeast and southwest legs. Southeast leg stubbed. Year Completed estimated (2012-2014).
Woodstock, VA
Shenandoah Co.
United States 		Woodstock Commons Dr. / (future road)
(38.87398, -78.52977) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.6138 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		New Town Ave. / Center St.
(38.87357, -92.36947) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
18.5965 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Treeline View / Stately View
(38.87351, -104.86560) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
38.1228 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Cascades Dr. / Marietta Falls Ln. / Vancouver Cir.
(38.87294, -92.37750) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.1055 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Sheridan Rd. / Ridgeview Rd. / Dennis Ave.
(38.87270, -94.79730) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3160 		Other (At-Grade)
Single-Lane 		2001 Completed April 2001. ICD estimated from Google Maps linework.
Grandview, MO
Jackson Co.
United States 		Lawnbale St. / E 139th St.
(38.87251, -94.52865) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2009).
Olathe, KS
Johnson Co.
United States 		Sheridan Rd. / Rogers Rd.
(38.87200, -94.79430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.7027 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Capitol Heights, MD
Prince George's Co.
United States 		Hampton Park Blvd.
(38.87175, -76.85022) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2007 Yield signs but no entrance line or yield lines.
Overland Park, KS
Johnson Co.
United States 		W. 141st St. / Bluejacket St.
(38.87130, -94.71130) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6150 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Rte K / S Sinclair Rd. / Old Plank Rd.
(38.87078, -92.38241) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://abc17news.com/news/2021/08/18/sinclair-and-route-k-roundabout-now-open/
Leawood, KS
Johnson Co.
United States 		Juniper St. / W 142nd Terr.
(38.87029, -94.64438) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4752 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Sheridan Rd. / Clairborne Rd.
(38.87020, -94.79250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3168 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Bedford, IN
Lawrence Co.
United States 		John A Williams Blvd. / Lincoln Ave.
(38.87002, -86.48896) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.4052 		Other (At-Grade)
Unknown 		2018 ICD estimated from Google Maps linework.
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
770.9968 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
67.0560 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Grandview, MO
Jackson Co.
United States 		US 71 NB Frontage Road / I-49-US 71 NB Ramps
(38.86704, -94.52594) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8637 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022 https://www.grandview.org/government/city-departments/public-works/projects/i-49-outer-roads-conversion
Forte da Casa, Lisbon
Vila Franca de Xira
Portugal 		N10 (Caminho de Santiago-Caminho Português) / Praceta dos Caniços / Rua dos Caniços / Rua Adriano Correia de Oliveira
(38.86640, -9.05974) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Vialonga, Lisbon
Vila Franca de Xira
Portugal 		N501-EM502 / Estr. de Alpiarte
(38.86617, -9.09552) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Capitol Heights, MD
Prince George's Co.
United States 		Ritchie Station Ct. / (mall circulation road)
(38.86528, -76.84986) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011).
Vialonga, Lisbon
Vila Franca de Xira
Portugal 		M501-1 / N115-5 / Rua Principal / Rua Movimento das Forças Armadas
(38.86304, -9.10309) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Leawood, KS
Johnson Co.
United States 		Fairway St. / Norwood St. / Meadow Ln. / W 148th St.
(38.86092, -94.61576) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Fairfax, VA
City of Fairfax
United States 		University Dr. / (parking)
(38.86028, -77.30428) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
3 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2022 https://www.youtube.com/watch?v=UwmJSdActdk
Upper Marlboro, MD
Prince George's Co.
United States 		Moores Plains Blvd. / Buxton Pl.
(38.85826, -76.73014) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Olathe, KS
Johnson Co.
United States 		Garmin Way / (parking garage)
(38.85794, -94.80139) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0408 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Arborway Dr. / SW Wysteria Dr. / SW Wysteria Terr.
(38.85763, -94.39962) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
24.1808 		Other (At-Grade)
Single-Lane 		2005 Minimal splitter islands on three legs; no splitter island on east leg. Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Arborwalk Blvd. / SW Arborway Dr.
(38.85615, -94.40007) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4119 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States 		Nancy Gibbons Terrace
(38.85592, -76.74356) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Lees Summit, MO
Jackson Co.
United States 		SW Arborwalk Blvd. / SW Arboridge Dr.
(38.85590, -94.41010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6918 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States 		Symondsbury Way / Galeshead Dr.
(38.85587, -76.73628) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Upper Marlboro, MD
Prince George's Co.
United States 		Moores Plains Blvd. / Bishopstone Terrace
(38.85575, -76.73096) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Colorado Springs, CO
El Paso Co.
United States 		Cedar Creek View / (parking lot)
(38.85572, -104.72340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.1815 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Forte da Casa, Lisbon
Vila Franca de Xira
Portugal 		N10 (Caminho de Santiago-Caminho Português) / Avenida da Liberdade / Rua de Republica
(38.85505, -9.07165) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Lees Summit, MO
Jackson Co.
United States 		SW Arborwalk Blvd. / SW Arborwalk Dr.
(38.85469, -94.40482) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6224 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States 		Moores Plains Blvd. / Copper Beach Dr.
(38.85458, -76.73266) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Lincoln, CA
Placer Co.
United States 		Catta Verdera / Ladera Dr. / Camino Verdera
(38.85444, -121.24539) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
26.9721 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Flint Hill, MO
St. Charles Co.
United States 		CR P / US 61 NB Ramps / Service Rd.
(38.85292, -90.86827) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6445 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Under construction (almost finished) Aug 2018 (streetview) ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States 		Moores Plains Blvd. / Humberside Way
(38.85198, -76.73522) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Town of Meyers, CA
El Dorado Co.
United States 		US 50 / SR 89
(38.85101, -120.02231) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
35.3445 		Other (At-Grade)
Single-Lane 		2019 Completed Sept. 2019. WB US-50 may choose physically separated bypass lane. Site is on Caltrans live video map: http://cwwp2.dot.ca.gov/vm/iframemap.htm Zoom in on Lake Tahoe (center right portion of map). Choose second camera south of the lake (Meyers). ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		W 153rd St. / Olathe Medical Center Pkwy.
(38.85100, -94.82983) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.4361 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Santa Iria de Azoia, Lisbon
Loures
Portugal 		N10 (Caminho de Santiago-Caminho Português) / Rua Dom Afonso Albuquerque
(38.85098, -9.07473) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Estremoz, Évora
Estremoz
Portugal 		IP2-E802 / M504 / Rua Olival do Cavaco
(38.85055, -7.58462) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Temple Hills, MD
Prince Georges Co.
United States 		MD 637 (Naylor Rd.) / Oxon Run Dr.
(38.84986, -76.95789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4150 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Upper Marlboro, MD
Prince George's Co.
United States 		Beech Tree Pkwy. / Moores Plains Blvd. / (parking)
(38.84933, -76.73622) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Temple Hills, MD
Prince Georges Co.
United States 		MD 637 (Naylor Rd.) / Good Hope Ave.
(38.84922, -76.95655) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6248 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		Oakmont St. / W 154th Terrace
(38.84835, -94.72889) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.1541 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020 Developer built as part of an approved plan south of this location that required traffic calming measures.
Upper Marlboro, MD
Prince George's Co.
United States 		George Hilleary Terrace
(38.84772, -76.74269) 		Other
Existing 		Unknown
Unknown 		2 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Lincoln, CA
Placer Co.
United States 		E Joiner Pkwy. / Fieldstone Dr.
(38.84770, -121.28659) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Yield-controlled right-turn bypass lane on northwest leg. https://www.lincolnca.gov/en/our-government/east-joiner-parkway-widening-project.aspx
Fulton, MO
Callaway Co.
United States 		Market St. / E 2nd St.
(38.84446, -91.94722) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011
Belton, MO
Jackson Co.
United States 		E 155th St. / I-49-US 71 NB Ramps / E Frontage Rd.
(38.84346, -94.52822) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
54.8640 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Part of diverging diamond interchange (DDI). Opened November-December 2017.
Loures, Lisbon
Loures
Portugal 		N115 (Rua do Funchal) / Avenida das Descobertas
(38.84343, -9.16228) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Belton, MO
Cass Co.
United States 		Loch Lloyd Pkwy. / Argyle Dr.
(38.84299, -94.59884) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Overland Park, KS
Johnson Co.
United States 		157th St. / King St.
(38.84201, -94.71545) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.9304 		Other (At-Grade)
Single-Lane 		2007 Built for new development. ICD estimated from Google Maps linework.
Forestville, MD
Prince George's Co.
United States 		Donnell Pl.
(38.84109, -76.88405) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Loures, Lisbon
Loures
Portugal 		N115 (Rua do Funchal) / A8 (Autoestrada do Oeste) NB Ramps
(38.84092, -9.16388) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Upper Marlboro, MD
Prince George's Co.
United States 		Presidential Golf Dr. / Pentland Hills Dr.
(38.84025, -76.73519) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown