Roundabouts Database

28859 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
Cedar Falls, IA
Black Hawk Co.
United States 		University Ave. / Cedar Heights Dr.
(42.50672, -92.41123) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.0987 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 http://www.cedarfalls.com/CivicAlerts.aspx?AID=1072 ICD estimated from Google Maps linework.
Cedar Falls, IA
Black Hawk Co.
United States 		Prairie Pkwy. / Prairie View Rd.
(42.49038, -92.43412) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.7219 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2011-2015). Fist completed only with north and south legs, then east and west legs added 2015-2016. ICD estimated from Google Maps linework.
Cedar Falls, IA
Black Hawk Co.
United States 		Greenhill Rd. / Cedar Heights Dr.
(42.49805, -92.41128) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2021 Year Completed estimated (2021-2022).
Cedar Falls, IA
Black Hawk Co.
United States 		Cedar Heights Dr. / Huntington Rd.
(42.49125, -92.41124) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022
Cedar Falls, IA
Black Hawk Co.
United States 		W Ridgeway Ave. / Goldfinch Dr.
(42.46945, -92.44998) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2018-2020).
Cedar Falls, IA
Black Hawk Co.
United States 		Greenhill Rd. / S Main St.
(42.49855, -92.44586) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 https://www.cedarfalls.com/1572/South-MainGreenhill-Intersection-Improve
Cedar City, UT
Iron Co.
United States 		Knoll St. / N Fairview Dr.
(37.69816, -113.05654) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.9102 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Cedar City, UT
Iron Co.
United States 		Knoll St.
(37.69810, -113.05439) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
37.8002 		Other (At-Grade)
Single-Lane 		2005 No splitter islands. Year Completed estimated (2004-2006). ICD estimated from Google Maps linework.
Cecil Township, PA
Washington Co.
United States 		Main St. / Town Center Blvd. / Town Center Way / Mylan Blvd.
(40.27383, -80.16333) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.6267 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Cecil Hills, NSW
Liverpool
Australia 		Feodore Dr. / Sandringham Dr. / Spencer Rd.
(-33.88769, 150.84907) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cecil Hills, NSW
Liverpool
Australia 		Feodore Dr. / Lancaster Ave.
(-33.88727, 150.84773) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cecil Hills, NSW
Liverpool
Australia 		Feodore Dr. / Clementina Circuit / Inverness Circuit
(-33.88861, 150.84530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cecil Hills, NSW
Liverpool
Australia 		Spencer Rd. / Feodore Dr. / Frederick Rd.
(-33.89502, 150.84992) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cecil Hills, NSW
Liverpool
Australia 		Sandringham Dr. / Windsor Rd.
(-33.88477, 150.85778) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cebu, Central Visayas
Cebu
Philippines 		Pres. Osmena Boulevard / General Maxilom Ave / B. Rodriguez
(10.30980, 123.89317) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane) 		Pedestrian access to central island.
Cearfoss, MD
Washington Co.
United States 		MD 63 / MD 58 / MD 494 (Cearfoss Pike)
(39.70017, -77.77593) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		1995 Completed December 1995.
Cayey, PR
Cayey
United States 		Hwy 1 / Fernadez Garcia Avenida / Calle Emérito Cordero
(18.10442, -66.16434) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
170.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2017 Year Completed estimated (2015-2017).
Cayey, PR
Monte Llano
United States 		Hwy 1 / Calle Tito Figueroa (Hwy 7715) / (unknown)
(18.11612, -66.14562) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
200.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2016 Year Completed estimated (2015-2017).
Cayey, PR
Cayey
United States 		Hwy 15 (Calle Evaristo Vázquez) / Calle José M. Puente / (unknown)
(18.11231, -66.16328) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
170.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2019 Concentric circulatory roadway markings. Year Completed estimated (2018-2019).
Cayey, PR
Cayey
United States 		Avenida Fernandez Garcia / (unknown)
(18.11155, -66.16531) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		2022
Caxias, Lisbon
Oeiras
Portugal 		Avenida das Seleções / Estrada Militar / A9 SB Ramps
(38.71045, -9.26562) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Caxias, Lisbon
Oeiras
Portugal 		Rua Calvet de Magalhães / Avenida António Sena da Silva / Rua do Penedo
(38.71033, -9.28560) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Caves Beach, NSW
Lake Macquarie
Australia 		Caves Beach Rd. / Civic Ave.
(-33.10299, 151.64531) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Caversham, WA
Swan
Australia 		Daviot Rd. / Suffolk St. / Patricia St.
(-31.86650, 115.96336) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Caversham, WA
Swan
Australia 		Suffolk St. / Arthur St.
(-31.86715, 115.97458) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Caversham, WA
Swan
Australia 		SR 76 (Benara Rd.) / SR 52 (Swan Rd.
(-31.87580, 115.97495) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cavan-Monaghan, ON
Peterborough
Canada 		Peterborough Road 28 / Wallace Point Rd. (CR-21)
(44.16808, -78.37096) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.5542 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2012-2014). ICD estimated from Google Maps linework.
Cavan, Cavan

Ireland 		R198 (Railway Rd. - College St.) / R212 (Farnham St.)
(53.98995, -7.36354) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cauro, Corsica
Southern Corsica
France 		Résidence Prunelli
(41.90545, 8.83323) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Cauro, Corsica
Southern Corsica
France 		D55 / D555
(41.90812, 8.82443) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Cauro, Corsica
Southern Corsica
France 		T40 / D55
(41.91179, 8.82656) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Caurel, Grand Est
Marne
France 		D30 / E46-A34 NB Ramps
(49.31423, 4.15190) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
43.6013 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Caurel, Grand Est
Marne
France 		D151 / (unknown)
(49.31037, 4.14445) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
30.3676 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		MD 372 / Hilltop Rd. / Entrance to UMBC
(39.25733, -76.71964) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.1417 		Other (At-Grade)
Single-Lane 		1998 Functional Class: Collector ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		UMBC Blvd. / Research Park Dr.
(39.24874, -76.71580) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.3950 		Other (At-Grade)
Single-Lane 		2015 Elliptical shape. ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		Hilltop Cir. / UMBC Blvd.
(39.25178, -76.71442) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.1156 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Lane changes needed for some through movements. ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		Edmundson Avenue / Old Frederick Road
(39.27533, -76.76612) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.3400 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Catonsville, MD
Baltimore Co.
United States 		Research Park Dr.
(39.24868, -76.71406) 		Other
Existing 		Uncontrolled
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Catonsville, MD
Baltimore Co.
United States 		Hidden Bludd Cir. / Jacks Ct.
(39.25966, -76.71926) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Catedral, Bolivar State
Municipio Angostura del Orinoco
Venezuela 		Avenida Germania / Avenida La Paragua / Avenida N
(8.13201, -63.52646) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Catedral, Bolivar State
Municipio Angostura del Orinoco
Venezuela 		Avenida Germania / (unknown)
(8.13245, -63.53588) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Catedral, Bolivar State
Municipio Angostura del Orinoco
Venezuela 		Avenida 19 de abril / Avenida 5 de Julio
(8.13703, -63.53822) 		Unknown
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Catania, Sicily
Catania
Italy 		SS192 (Stradale Gelso Bianco) / (connector to SP701) / (connector to A19)
(37.47114, 15.04248) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Catalina Lakes, FL
Palm Beach Co.
United States 		Santa Barbara Way / Fortuna Dr. / Salinas Dr.
(26.83228, -80.09030) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Catalina Lakes, FL
Palm Beach Co.
United States 		Santa Barbara Way / Catalina Lakes Blvd.
(26.83444, -80.09183) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Castroville, CA
Monterey Co.
United States 		(unknown) / SR 156 EB Ramps
(36.76908, -121.73823) 		Roundabout
Unknown 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.7573 		Freeway Ramps (Grade-Separated)
Single-Lane 		Anticipated opening year 2025. Future 3rd leg is planned to connect to BlackieRd.
Castroville, CA
Monterey Co.
United States 		(unknown) / SR 156 WB Ramps
(36.77058, -121.73771) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Single-Lane 		Anticipated opening year 2025.
Castroville, CA
Monterey Co.
United States 		Castroville Blvd. / (unknown)
(36.77419, -121.74051) 		Roundabout
Unknown 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
49.3776 		Other (At-Grade)
Single-Lane 		Anticipated opening year 2025.
Castropol, Principality of Asturias
Asturias
Spain 		AS-31 / A-8 EB Ramps
(43.54295, -7.02135) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.6888 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Castropol, Principality of Asturias
Asturias
Spain 		AS-31 / Pol. Ind. Barres
(43.53464, -6.98657) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
57.1453 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Castletown, England
Sunderland
United Kingdom 		A1231 (Wessington Way) / Dene Rd. / Colima Ave.
(54.91787, -1.43429) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castletown, England
Sunderland
United Kingdom 		A1231 (Wessington Way) / Ferryboat Ln.
(54.91118, -1.45447) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castletown, England
Sunderland
United Kingdom 		A182 (Washington Hwy. - Beatrice Terrace) / A183 (Chester Rd.) / B1519 (Chester Rd.) / Station Rd.
(54.86837, -1.49620) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castletown, England
Sunderland
United Kingdom 		A182 (Washington Hwy.) / A183
(54.87057, -1.50501) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castletown, England
Sunderland
United Kingdom 		A183 (Chester Rd.) / Herrington Country Park
(54.88099, -1.47858) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castletown, WA
Esperance
Australia 		NR 1 (Harbour Rd. - Coolgardie Esperance Hwy.) / Fisheries Rd. / Norseman Rd.
(-33.83206, 121.89618) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castletown, England
Sunderland
United Kingdom 		A183 (Chester Rd.) / Avondale Ave. / Chislehurst Rd.
(54.87197, -1.48890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castletown, England
Sunderland
United Kingdom 		B1405 (Holborn Rd. / Front Rd.) / Hylton Rd.
(54.90165, -1.42829) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castletown, England
Sunderland
United Kingdom 		A1018 (Newcastle Rd. - Shields Rd.) / A184 (Newcastle Rd.)
(54.93413, -1.39295) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castletown, England
Sunderland
United Kingdom 		B1291 (Southwick Rd. - Thompson Rd.) / Southwick Rd.
(54.91982, -1.39984) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castletown, England
Sunderland
United Kingdom 		B1291 (Church Bank - Sunderland Rd.) / Church Bank
(54.92001, -1.40504) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Castlemaine, VIC
Mount Alexander
Australia 		Berkeley St. / Hargraves St.
(-37.06005, 144.22039) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castlemaine, VIC
Mount Alexander
Australia 		Hunter St. / Hargraves St.
(-37.05770, 144.22082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castlemaine, VIC
Mount Alexander
Australia 		B180 (Forest St.) / Hargraves St. / Wheeler St.
(-37.06708, 144.21916) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castlemaine, VIC
Mount Alexander
Australia 		Lyttleton St. / Urquhart St.
(-37.06503, 144.22215) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castleford Central, England
Wakefield
United Kingdom 		A639 (Leeds Rd. - Colorado Way) / Ashton Rd. / Leeds Rd. / Thunderhead Ridge
(53.71470, -1.34986) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castleford Central, England
Wakefield
United Kingdom 		A656 (Lock Ln. - Bridge St.) / A6032 (Bridge St.) / Wheldon Rd.
(53.72757, -1.34923) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castleford, England
Wakefield
United Kingdom 		A639 (Colorado Way) / Whistler Dr. / Tomahawk Trl. / Aspen Way
(53.70939, -1.33682) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castleford, England
Wakefield
United Kingdom 		A639 (Colorado Way) / Tomahawk Trl. / Keystone Ave. / Thunderhead Ridge
(53.71085, -1.34523) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castleford, England
Wakefield
United Kingdom 		A6539 (Bruce Smeaton Way - Cutsyke Rd.) / B6421 (Cutsyke Rd.) / A6196 (Whistler Dr.)
(53.70843, -1.36741) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castlebar, Co Mayo

Ireland 		N60 (Breaffy Rd.) / Moneen Rd.
(53.85206, -9.26330) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castlebar, Co Mayo

Ireland 		N5 (Lawn Rd. - Dublin Rd.) / R373 (Moneen Rd.)
(53.85729, -9.28414) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Castle Rock, CO
Douglas Co.
United States 		New Beale St. / (parking)
(39.41325, -104.87702) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008).
Castle Rock, CO
Douglas Co.
United States 		S Wilcox St. / South St.
(39.36917, -104.86011) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 http://crgov.com/3296/Wilcox-and-South-Roundabout
Castle Rock, CO
Douglas Co.
United States 		Plum Creek Pkwy. / S Eaton Cir. / Eaton St.
(39.36073, -104.83311) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Elliptical shaped. ICD = 145 ft x 115 ft. Year Completed estimated (2020-2021).
Castle Rock, CO
Douglas Co.
United States 		S Ridge Rd. / Rapport Dr.
(39.35511, -104.81475) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2020
Castle Rock, CO
Douglas Co.
United States 		Autumn Sage St. / Valley View Dr.
(39.38026, -104.81919) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Castle Rock, CO
Douglas Co.
United States 		N Rocky View Rd. / Valley View Rd. / High Point Rd.
(39.38189, -104.81125) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Castle Rock, CO
Douglas Co.
United States 		Castle Oaks Dr. / Arabella Dr.
(39.41863, -104.77860) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2006
Castle Rock, CO
Douglas Co.
United States 		N Meadows Dr. / (unknown)
(39.41690, -104.89226) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2021
Castle Rock, CO
Douglas Co.
United States 		Crystal Valley Pkwy. / Plum Creek Blvd.
(39.33642, -104.86553) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2024 https://m.facebook.com/story.php?id=100064394515704&story_fbid=2014182452315413
Castle Rock, CO
Douglas Co.
United States 		Autumn Sage St. / Copper Cloud Dr. / Trail Stone Cir.
(39.38614, -104.82199) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.2310 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		N Ridge Rd. / E Enderud Blvd.
(39.36979, -104.82294) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.3183 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		N Ridge Rd. / Miller Blvd.
(39.36484, -104.81766) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
47.0915 		Other (At-Grade)
Single-Lane 		2009 Free-flowing right-turn bypass lane on north leg. Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Rising Sun Dr. / Autumn Sage St.
(39.39210, -104.82736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.0731 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Sapphire Pointe Blvd. / Sulfur Ln. / Peridot Ln.
(39.42788, -104.84576) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
63.6545 		Other (At-Grade)
Single-Lane 		2003 Single-stage pedestrian crossings, fully traversable splitter islands, no buffer between sidewalk and circulatory roadway. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Sapphire Pointe Blvd. / Tremolite Dr.
(39.42908, -104.85397) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
52.5832 		Other (At-Grade)
Single-Lane 		2005 No buffer between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Promenade Pkwy. / (parking lots)
(39.41882, -104.87797) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5192 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Promenade Pkwy. / (parking lot)
(39.42238, -104.87869) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.5233 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Castle Rock Pkwy. / Promenade Pkwy. / I-25 SB Off-Ramp / I-25 NB Ramps
(39.42427, -104.87786) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.3611 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		W Castle Pines Pkwy. / Pine Ridge Ln. / Buffalo Trl.
(39.47283, -104.91386) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4238 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Daniels Gate Dr. / Grigs Rd.
(39.48770, -104.91860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.7912 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Lagae Rd. / Hyland Hills Rd.
(39.46753, -104.88126) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.4902 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Lagae Rd. / Monarch Blvd.
(39.46134, -104.87935) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.8834 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 ICD estimated from Google Maps linework.
Castle Pines, CO
Douglas Co.
United States 		Westbridge Dr. / Cross Canyon Trl.
(39.45951, -104.85287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Castle Marina, MD
Queen Annes Co.
United States 		MD 18 / Castle Marina Rd.
(38.97871, -76.28938) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7819 		Other (At-Grade)
Single-Lane 		1999 Previously controlled by two-way stop ICD estimated from Google Maps linework.
Castle Hill, NSW

Australia 		Oakhill Dr. / Grovewood Pl. / Fernbrook Pl.
(-33.71420, 151.02399) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castle Hill, NSW

Australia 		David Rd. / Oakhill Dr. / Westminster Dr.
(-33.72207, 151.02479) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castle Hill, NSW

Australia 		David Rd. / Westminster Dr.
(-33.72591, 151.02977) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Castle Hill, NSW
The Hills Shire
Australia 		Excelsior Ave. / Roxborough Park Rd.
(-33.74165, 150.99519) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island