Roundabouts Database

28784 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
Encinitas, CA
San Diego Co.
United States 		Leucadia Blvd / Hymettus Ave
(33.06470, -117.29620) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
21.0192 		Other (At-Grade)
Single-Lane 		2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		61st Ave. S / S Norfolk St.
(47.51337, -122.25705) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2006
Truckee, CA
Nevada Co.
United States 		Brockway Rd. / Martis Valley Rd.
(39.32135, -120.16269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2006
Tampa (Ybor City), FL
Hillsborough Co.
United States 		Channelside Dr. / Cumberland Ave.
(27.94497, -82.44576) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 Right-turn-only lane on north leg.
Clearwater, FL
Pinellas Co.
United States 		SR 60 / Coronado Dr. (SR 699) / Mandalay Ave. / Poinsettia Ave. (Gateway Roundabout)
(27.97752, -82.82709) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		6 Approaches
0 Driveways
68.5587 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1999 Modified 2002-2004 to change geometry and striping, and remove fountain. 21442
Bend, OR
Deschutes Co.
United States 		Brookswood Blvd. / Powers Rd.
(44.02886, -121.32130) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1961 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States 		C St. / O'Malley EB Ramps
(61.12273, -149.88630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2006
Anchorage, AK
Anchorage
United States 		C St. / O'Malley WB Ramps
(61.12404, -149.88630) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Henderson St.
(47.52286, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
42.7458 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		W. Palmilla Blvd. / W. Alvarado Dr.
(33.46978, -112.35190) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
23.9107 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Moses Lake, WA
Grant Co.
United States 		Yonezawa Blvd. / S. Division St. / W. Belmont Ave.
(47.10438, -119.27860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.0857 		Other (At-Grade)
Single-Lane 		2001 Pedestrian crossing has z-shape, with exit closer to roundabout than entrance. Part of series of 3 roundabouts. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States 		Wigwam Creek Blvd. / N. Rattler Way
(33.51643, -112.32870) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.9277 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Plum Creek Dr. / Piney River Dr.
(40.41253, -105.01850) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.0994 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Local ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States 		Golden Straw Ln. / Davis Rd.
(39.21597, -76.81084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island 		2000 Completed April 28, 2000. Pedestrian ramps into circulatory roadway.
(unincorporated), OR
Washington Co.
United States 		NW Verboort Rd. / Cornelius-Shefflin Rd.
(45.55150, -123.06410) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
52.6900 		Other (At-Grade)
Single-Lane 		2003 Reverse curves on approaches. Designed as multilane with striped-out inner circulating and entry/exit lanes. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Linden Ave. N / N. 42nd St.
(47.65774, -122.34850) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
56.3115 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		44th Ave. SW / SW College St.
(47.58301, -122.38780) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
37.0576 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		30th Ave. SW / SW Cloverdale St.
(47.52648, -122.37120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
64.5176 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		24th Pl. / Inverness Dr.
(38.94105, -95.29808) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.0814 		Other (At-Grade)
Single-Lane 		2001 Approved by Commission over neighborhood opposition. Was a 3 leg intersection prior to construction. Near Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		24th Pl. / Crossgate Dr.
(38.94130, -95.28875) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.9392 		Other (At-Grade)
Single-Lane 		2001 Planned in connection with extention of 24th Place Functional Class: Collector ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W 11th St.
(40.41889, -104.84990) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Lawrence, KS
Douglas Co.
United States 		E. 19th St. / Barker Ave.
(38.95003, -95.23283) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.7188 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States 		Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr.
(26.53700, -80.16410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.4660 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6690 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Peoria, AZ
Maricopa Co.
United States 		N Sunrise Point / Sunset Point
(33.75294, -112.33084) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
80.7720 		Other (At-Grade)
Single-Lane 		2004
Coral Gables, FL
Miami-Dade Co.
United States 		Sunset Rd (SW 72nd St) / LeJeune Rd (SW 42nd Ave) / Cocoplum Rd / Old Cutler Rd
(25.70536, -80.26083) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
71.0248 		Other (At-Grade)
Single-Lane 		Entering traffic yields to circling traffic Functional Class: Collector ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Cotton Center Blvd. / S. 44th Pl.
(33.40279, -111.98790) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
163.5163 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		Pointe Pkwy. / S 48th St.
(33.37162, -111.97410) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2000
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W. 16th St.
(40.41505, -104.85090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Seattle, WA
King Co.
United States 		61st Ave. S / S. Cooper St.
(47.51166, -122.25710) 		Traffic Calming Circle
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Greeley, CO
Weld Co.
United States 		Promontory Cir. / Con Agra Dr.
(40.41138, -104.85200) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Boynton Beach, FL
Palm Beach Co.
United States 		Hagen Ranch Rd. / Treviso Ln.
(26.54100, -80.16380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.6431 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Crozet, VA
Ablemarle Co.
United States 		Old Trail Dr. / (unknown #2)
(38.05907, -78.71125) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.0923 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W 18th St.
(40.40869, -104.85120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 4 roundabouts in series; 6 in vicinity.
Seattle, WA
King Co.
United States 		17th Ave. E. / E. Spring St.
(47.61153, -122.31020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
5.6361 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Crozet, VA
Ablemarle Co.
United States 		Old Trail Dr. / Golf Dr.
(38.05766, -78.71016) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
30.0929 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		40th Ave. SW / SW Manning St.
(47.57122, -122.38250) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
7.2520 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		23rd Ave. / W. Osborn Rd.
(33.48775, -112.10840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.9372 		Other (At-Grade)
Single-Lane 		2005 Small roundabout. ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States 		W 18th St. / Promontory Cir. / (parking)
(40.41203, -104.85840) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Part of 6 in vicinity.
Seattle, WA
King Co.
United States 		28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
164.7289 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		24th Ave. S / S. Dearborn St.
(47.59557, -122.30120) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
13.6919 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.9162 		Other (At-Grade)
Single-Lane 		2006 Mini-roundabout ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States 		Kimball Ave. / Grand Mere Pkwy.
(39.20168, -96.63786) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.3931 		Other (At-Grade)
Single-Lane 		2000 Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Sunflower Park Rd / Inverness Dr
(38.93745, -95.29810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
111.4785 		Other (At-Grade)
Single-Lane 		2001 Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Chesterfield, MO
St. Louis Co.
United States 		Schoettler Valley Dr. / Highcroft Dr.
(38.64415, -90.55331) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
17.7235 		Other (At-Grade)
Single-Lane 		1999 Temporary roundabout installed in Fall 1999. Removed September 25, 2000 due to negative public opinion. Intersection returned to AWSC. Functional Class: Local ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States 		Promontory Cir. / W 16th St. / (parking)
(40.41524, -104.85540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2004 Part of 6 in vicinity.
Hutchinson, KS
Reno Co.
United States 		23rd Ave. / Severence St.
(38.07940, -97.91340) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.7846 		Other (At-Grade)
Single-Lane 		2000 Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Garnett, KS
Harvey Co.
United States 		US 59 / US 169
(38.25832, -95.24861) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.8910 		Other (At-Grade)
Single-Lane 		2006 None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States 		Broadway St. / I-135 Ramps
(38.05000, -97.32250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.1441 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Single-point interchange. Near roundabout interchange at I-135/1st Street. Roundabout completed January 2002, ramps from I-135 to the roundabout reopened March 2002. Eliptical structure incorporating both NB and SB ramps. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Prairie Star Pkwy / Montecello Rd.
(38.95251, -94.84398) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.0123 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Paola, KS
Miami Co.
United States 		K-68 / Old Kansas City Rd. / Hedge Ln.
(38.62133, -94.85551) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
44.7895 		Other (At-Grade)
Single-Lane 		2001 First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		46th St. / US 75 Ramps
(39.12934, -95.71959) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
124.9680 		Freeway Ramps (Grade-Separated)
Single-Lane 		2002 Roundabout under structure as part of single-point interchange. Elliptical shaped. ICD = 410 ft x 270 ft. Original intersection was at grade. Completed November 2002.
Phoenix, AZ
Maricopa Co.
United States 		N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
46.7997 		Other (At-Grade)
Single-Lane 		2005 Mini-roundabout ICD estimated from Google Maps linework.
Quebec, QC
Capitale-Nationale Region
Canada 		Rue de la Rive-Boisee N / Rue du Baumier
(46.83577, -71.32956) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		No splitter islands. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		25th Ave. S / S Dearborn St.
(47.59556, -122.30010) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		0 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2006
Seattle, WA
King Co.
United States 		26th Ave. S / S. Dearborn St.
(47.59555, -122.29880) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
48.3244 		Other (At-Grade)
Unknown 		2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Mt. Washington Dr. / NW Skyliners Rd.
(44.05369, -121.35490) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3425 		Other (At-Grade)
Single-Lane 		2005 Roundabout constructed with addition of south leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Shevlin Park Rd. / Newport Ave. / College Way
(44.06240, -121.33770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6125 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Mt. Washington Dr. / Shevlin Park Rd.
(44.06780, -121.35530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.7584 		Other (At-Grade)
Single-Lane 		2000 South leg on Mt. Washington Drive added as part of new development. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Mt. Washington Dr. / NW Crossing Dr.
(44.05890, -121.35670) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6144 		Other (At-Grade)
Single-Lane 		2000 Both roadways brand new as part of new development. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Century Dr. / SW Mt. Washington Dr. / SW Reed Market Dr.
(44.03860, -121.33590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		2001 Roundabout sized for ultimate conversion to double lane.
Bend, OR
Deschutes Co.
United States 		SW 14th St. / SW Century Dr. / SW Simpson Ave.
(44.04790, -121.33160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9036 		Other (At-Grade)
Single-Lane 		2002 Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW 14th St. / NW Galveston Ave.
(44.05660, -121.33180) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8991 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW 14th St. / Newport Ave.
(44.06230, -121.33170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.6126 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW 9th St. / NW Newport Ave. / NW Nashville Ave.
(44.06240, -121.32450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.6125 		Other (At-Grade)
Single-Lane 		2005 Completed in August 2005. Intersection previously had five legs. Roundabout changes one leg prior to the roundabout to right in/out and redirects another leg to the roundabout. Located near Grade School on Newport Avenue. ICD estimated from Google Maps linework.
Long Beach, CA
Los Angeles Co.
United States 		Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal)
(33.78989, -118.14250) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
137.1597 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1993 Traffic circle conversion. Modified in 2020 to reduce lanes. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States 		Town Center Dr. / Hualapai Way
(36.17850, -115.31770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
70.1040 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1990 Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States 		Town Center Dr. / Village Center Cir. / Library Hills Dr.
(36.18960, -115.30360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.4400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1990 Completed March 1990. Modified 2010 to reduce lane configuration. 21442
Boca Raton, FL
Palm Beach Co.
United States 		SW 18th St. / Juana Rd. (SW 12th Ave.)
(26.33206, -80.11059) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1985).
Vail, CO
Eagle Co.
United States 		Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd.
(39.64477, -106.37770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1995 Raindrop-shaped central island.
Vail, CO
Eagle Co.
United States 		Vail Rd. / I-70 EB Ramps / South Frontage Rd.
(39.64355, -106.37810) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		1995 Completed October 1995. Circular central island.
Lothian, MD
Anne Arundel Co.
United States 		MD 2 / MD 408 / MD 422
(38.82973, -76.61590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8423 		Other (At-Grade)
Single-Lane 		1995 Completed October 1995. ICD estimated from Google Maps linework.
Elkton, MD
Cecil Co.
United States 		MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle)
(39.66364, -75.85529) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.0178 		Other (At-Grade)
Single-Lane 		1995 Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework.
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.
Towson, MD
Baltimore Co.
United States 		MD 45 / MD 146 / Joppa Rd. / Allegheny Ave.
(39.40185, -76.60230) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
47.9892 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
West Palm Beach, FL
Palm Beach Co.
United States 		S. Quadrille Blvd. (El Campeon Blvd.) / Fern St.
(26.71040, -80.05505) 		Roundabout
Removed 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Replaced with TWSC 1995-1999; signalized in 2019.
Daytona Beach, FL
Volusia Co.
United States 		Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.)
(29.22941, -81.02484) 		Rotary
Removed 		All-Way Yield
Unknown 		0 Approaches
0 Driveways
42.7326 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). ICD estimated from Google Maps linework.
Lake Worth, FL
Palm Beach Co.
United States 		SR 802 (Lucerne Ave. - Lake Ave.) / A St.
(26.61670, -80.06500) 		Roundabout
Existing 		All-Way Yield
Pedestrian Signal (red-yellow-green to drivers) 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2002 ICD = 190 ft x 140 ft.
Naples, FL
Collier Co.
United States 		8th St. S / 12th Ave. S
(26.13267, -81.79491) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2281 		Other (At-Grade)
Single-Lane 		1996 Installed for community enhancement. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		7th St. N. / 3rd Ave. N.
(26.15530, -81.80524) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
9.6483 		Other (At-Grade)
Single-Lane 		1998 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework.
Tavares, FL
Lake Co.
United States 		Main St. / Disston Ave. / Lake Dora Dr.
(28.80215, -81.72475) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.9315 		Other (At-Grade)
Single-Lane 		1996 Railroad tracks running along edge of central island. RR unprotected, train frequency 1-2/wk, 10 mph. ICD estimated from Google Maps linework.
Clovis, NM
Curry Co.
United States 		Hwy 245 (Llano Estacado Blvd.) / Norris St.
(34.43384, -103.17830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.3276 		Other (At-Grade)
Single-Lane 		2006 Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Taneytown, MD
Carroll Co.
United States 		MD 140 / MD 832 / Antrim Blvd.
(39.64809, -77.15468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Hilton Head, SC
Beaufort Co.
United States 		Whooping Crane Way / Main St.
(32.21647, -80.72187) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.4598 		Other (At-Grade)
Single-Lane 		1996 Completed February 1996. ICD estimated from Google Maps linework.
Addison, TX
Dallas Co.
United States 		Addison Cir. / Quorum Dr.
(32.96138, -96.82592) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 .
Montpelier, VT
Washington Co.
United States 		Keck Circle (Main St. / Spring St.)
(44.26283, -72.57178) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6594 		Other (At-Grade)
Single-Lane 		1995 Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Sarasota, FL
Sarasota Co.
United States 		St. Armands Circle: SR 780 / Boulevard of the Presidents / John Ringling Blvd.
(27.31842, -82.57722) 		Other
Existing 		Other
None 		5 Approaches
0 Driveways
128.0157 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Pedestrian access to central island; parking along circulatory roadway. Shopping district. Completed 1940?
Sarasota, FL
Sarasota Co.
United States 		South Gate Circle (Tuttle Ave. / Siesta Dr.)
(27.30536, -82.51414) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
120.9825 		Other (At-Grade)
Unknown 		Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		7th St. N. / 7th Ave. N.
(26.15619, -81.79971) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.5125 		Other (At-Grade)
Single-Lane 		1998 Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States 		7th St. N. / 11th Ave. N.
(26.15712, -81.79420) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL
Collier Co.
United States 		7th St. N. / 12th Ave. N.
(26.15734, -81.79282) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		1996 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Hollywood, FL
Broward Co.
United States 		Hollywood Blvd. / Rainbow Dr.
(26.01050, -80.18360) 		Other
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
274.3200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Uncontrolled mainline, stop-control on side street. Building and parking in central island.
Hollywood, FL
Broward Co.
United States 		Hollywood Blvd. / 26th Ave.
(26.01110, -80.15920) 		Signalized Roundabout/Circle
Existing 		Signal
None 		4 Approaches
0 Driveways
200.7172 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Signal access to parking and building in center of circle. ICD estimated from Google Maps linework.
Hollywood, FL
Broward Co.
United States 		Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St.
(26.01150, -80.14300) 		Signalized Roundabout/Circle
Existing 		Signal
None 		7 Approaches
0 Driveways
70.8411 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Signalized access, parking area in central island. ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Chandon Dr. / Calero Dr.
(37.67642, -120.93380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4132 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States 		Bowen Ave. / Fremont Ave.
(37.67470, -121.00260) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.9061 		Other (At-Grade)
Single-Lane 		2002 Previously controlled by twsc ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States 		S. Dixie Hwy / SR 76 / SR A1A
(27.19767, -80.25266) 		Other
Existing 		Other
None 		0 Approaches
0 Driveways
26.5569 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Railroad crossing next to circle. ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States 		N. Colorado Ave. / E. Osceola St.
(27.19860, -80.25300) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9303 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 WB Ramps / North Frontage Rd.
(39.62828, -106.42120) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 EB Ramps / South Frontage Rd.
(39.62753, -106.42020) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		1997