Roundabouts Database

30012 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
Salt Lake, HI
Oahu Co.
United States 		Ala Napunani St. / Likini St.
(21.34596, -157.90180) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.4727 		Other (At-Grade)
Single-Lane 		2001 Existing prior to 2006, includes driveway as 4th leg. Functional Class: Collector ICD estimated from Google Maps linework.
Los Alamos, NM
Los Alamos Co.
United States 		Diamond Dr. / San Ildefonso Rd.
(35.89893, -106.29866) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.0241 		Other (At-Grade)
Single-Lane 		2008 Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Pearl Harbor Naval Base (Ford Island), HI
Oahu Co.
United States 		Ford Island Blvd. / Saratoga Blvd.
(21.36689, -157.95610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.2752 		Other (At-Grade)
Single-Lane 		2006 Existing prior to 2005. Relocated in 2005/2006. Functional Class: Collector ICD estimated from Google Maps linework.
Santa Fe, NM
Santa Fe Co.
United States 		Governor Miles Rd. / (unnamed)
(35.62729, -106.01980) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.2110 		Other (At-Grade)
Single-Lane 		2003 South Santa Fe East of Cerrillos Road Functional Class: Minor Collector ICD estimated from Google Maps linework.
Santa Fe, NM
Santa Fe Co.
United States 		Rufina St. / Zafarano Dr.
(35.64938, -106.01476) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
32.0268 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Santa Fe, NM
Santa Fe Co.
United States 		Botulph Rd. / Arroyo Chamiso Rd. / Miguel Chavez Rd.
(35.64938, -105.94790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.1153 		Other (At-Grade)
Single-Lane 		2002 Urban Compact, Southeast Santa Fe neighborhood Functional Class: Minor Collector ICD estimated from Google Maps linework.
Santa Fe, NM
Santa Fe Co.
United States 		Zafarano Dr. / San Ignatio Rd.
(35.64579, -106.01394) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9988 		Other (At-Grade)
Single-Lane 		2006 Southwest Santa Fe near Lowes Building Supply. ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmorelane Blvd. / Gowan Dr.
(27.25913, -80.29256) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5423 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmorelane Blvd. / Bakersfield St.
(27.25836, -80.28521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7276 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Muskegon Township, MI
Muskegon Co.
United States 		Chesapeake Dr. / Walker Rd.
(43.23787, -86.17437) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.4138 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Southlake, TX
Tarrant Co.
United States 		E. Continental Blvd. / S. Carroll Ave.
(32.92622, -97.12830) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Elementary school and city park located on NW corner. Asphalt construction.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 EB Ramps
(39.08997, -76.75736) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
Jackson, MI
Jackson Co.
United States 		4th St. / West Ave.
(42.22067, -84.41847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3790 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Between 1999 and 2005. ICD estimated from Google Maps linework.
Orion Township, MI
Oakland Co.
United States 		Baldwin Rd. / Indianwood Rd. / Coats Rd.
(42.78413, -83.31979) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.0862 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Jessup, MD
Anne Arundel Co.
United States 		MD 198 (Laurel Fort Meade Rd.) / MD 32 WB Ramps
(39.09178, -76.75688) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2002 Lanes reduced in 2010. 21442
New Orleans, LA
Orleans Par.
United States 		Lee Circle (St. Charles Ave. / Andrew Higgins Dr.)
(29.94333, -90.07247) 		Signalized Roundabout/Circle
Existing 		Other
None 		4 Approaches
0 Driveways
99.3513 		Other (At-Grade)
Unknown 		Two tram lines run along the circulatory roadway. Some entry-circulating points are fully signalized; others are yield-controlled. ICD estimated from Google Maps linework.
Metairie Terrace, LA
Jefferson Par.
United States 		Causeway Blvd. (LA 3046) / US 61 (Airline Hwy.)
(29.97476, -90.15636) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
107.5965 		Other (At-Grade)
Unknown 		Single-point interchange using one circle. Entire circle is on causeway structure over railroad yards. ICD estimated from Google Maps linework.
Pittsfield Township, MI
Washtenaw Co.
United States 		Campus Pkwy. / Suncrest Dr. / (parking)
(42.18764, -83.74729) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002
Pittsfield Township, MI
Washtenaw Co.
United States 		Campus Pkwy. / Community Dr.
(42.18982, -83.74387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2002
Meridian Township, MI
Ingham Co.
United States 		Hulett Rd. / Bennett Rd.
(42.69739, -84.44709) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.9884 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Greensboro, NC
Guilford Co.
United States 		Greene St. / McGee St.
(36.06852, -79.79192) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.2386 		Other (At-Grade)
Single-Lane 		2006 This is part of a major transformation of Greene Street in Downtown Greensboro. Greene Street is currently 4 lanes one-way and will be converted to 2-way traffic with one lane in each direction and angled parking in the middle of the street separated by a median. Functional Class: Arterial ICD estimated from Google Maps linework.
Concord, CA
Contra Costa Co.
United States 		Landana Dr. / Mulberry Dr.
(37.97886, -121.99430) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.0041 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Jensen Beach, FL
Martin Co.
United States 		SR 707 / Pineapple Dr. / Jensen Beach Causeway
(27.25074, -80.22818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.7914 		Other (At-Grade)
Single-Lane 		1999 RT only lanes entering roundabout on two approaches. ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Village Place Blvd. / Green Oak Dr. / Fieldcrest Dr.
(42.50573, -83.75296) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2006
Brighton, MI
Livingston Co.
United States 		Village Place Blvd. / Green Oak Ave.
(42.50698, -83.75462) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Earth.
Ancaster, ON
Hamilton
Canada 		Wilson St. / Meadowbrook Dr. / Hamilton Dr.
(43.20797, -80.00224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.6911 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Markham, ON
York Region
Canada 		Prospectors Dr. / Angus Glen Blvd.
(43.89075, -79.31981) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.2641 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local ICD estimated from Google Maps linework.
Markham, ON
York Region
Canada 		Prospectors Dr. / The Fairways
(43.89400, -79.32079) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0985 		Other (At-Grade)
Single-Lane 		2004 Functional Class: Local 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.
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.
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Main St.
(39.12333, -77.23855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Market St.
(39.12309, -77.23489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Orchard Ridge Dr. / Mill Green Ave.
(39.12559, -77.22635) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.9872 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2800 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
(unincorporated), MA
Barnstable Co.
United States 		Rte 6A / Rte 28 (gateway to Cape Cod)
(41.74313, -70.58651) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
118.8720 		Other (At-Grade)
Multilane (2 Lane, unspecified)
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.
New York, NY
Manhattan Co.
United States 		Columbus Circle (7th Ave. / Broadway / Central Park West / Central Park South)
(40.76808, -73.98187) 		Signalized Roundabout/Circle
Existing 		Signal
None 		5 Approaches
0 Driveways
123.0168 		Other (At-Grade)
Multilane (3+ Lane) 		1905 ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		Virginia Ave. / Memorial Blvd. / Prospect St. / Key St.
(39.63728, -77.72873) 		Other
Existing 		Other
None 		0 Approaches
0 Driveways
36.7900 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Irvin Ave. / Mealey Pkwy.
(39.65536, -77.70186) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
37.6999 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Irvin Ave. / View St. / Valleybrook Dr.
(39.65536, -77.70058) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
31.2633 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Magnolia Ave. / Mealey Pkwy.
(39.65762, -77.70140) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
32.1818 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hagerstown, MD
Washington Co.
United States 		E. Magnolia Ave. / E. Irvin Ave.
(39.65722, -77.69958) 		Other
Existing 		All-Way Stop
None 		0 Approaches
0 Driveways
27.5846 		Other (At-Grade)
Single-Lane 		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.
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.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #1)
(38.95966, -104.72230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Has marked double-left turn at northbound entry using conventional arrows. Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #2)
(38.96123, -104.71810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.2198 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Research Pkwy. / (unknown #3)
(38.96204, -104.71430) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1479 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / Duryea Dr.
(38.93880, -104.72930) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.5906 		Other (At-Grade)
Single-Lane 		2003 Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / Test Dr.
(38.93844, -104.73440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6618 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Serves retail shopping center. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		New Car Dr. / parking lot
(38.93777, -104.73750) 		Other
Existing 		Unknown
None 		2 Approaches
0 Driveways
43.6622 		Other (At-Grade)
Single-Lane 		Serves retail shopping center. ICD estimated from Google Maps linework.
Chattanooga, TN
Hamilton Co.
United States 		Mountain Creek Rd. / W Rd.
(35.10743, -85.32608) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.4951 		Other (At-Grade)
Single-Lane 		2003 At the base of the Previously controlled by one way stop ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States 		Hinton Oakes Blvd. / Lynnwood Rd.
(35.79374, -78.51039) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6876 		Other (At-Grade)
Single-Lane 		2007 Roundabout was designed to accommodate existing utilities and connect two existing roads and a driveway to a new retail outlet. Functional Class: Arterial ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States 		Widewater Blvd. / Village Park Dr.
(35.79402, -78.50642) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.4687 		Other (At-Grade)
Single-Lane 		2004 Constructed using concrete. (Updated in 2007?) Functional Class: Collector ICD estimated from Google Maps linework.
Knightdale, NC
Wake Co.
United States 		Maplewood Dr. / McKnight Dr.
(35.79656, -78.48228) 		Other
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
33.9052 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Collector ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		Crestline Rd. / Lincoln St.
(47.72944, -117.37920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.5271 		Other (At-Grade)
Single-Lane 		2006 Opened September 2006. ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Brainard Dr. / Squirreltail Dr.
(38.96376, -104.74410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.2161 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		(parking lot #1)
(39.01388, -104.81080) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3437 		Other (At-Grade)
Single-Lane 		2013 Originally built 2004. Removal date estimated (2011-2015). ICD estimated from Google Maps linework.
Tamarack Resort, ID
Valley Co.
United States 		West Mountain Rd. / Village Dr.
(44.66998, -116.11130) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.9203 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Indian Creek Pkwy.
(26.91067, -80.11073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
105.4349 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Functional Class: Arterial ICD estimated from Google Maps linework.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Frederick Small Rd.
(26.89750, -80.11127) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
119.2938 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Jupiter, FL
Palm Beach Co.
United States 		S. Central Blvd. / Main St.
(26.88774, -80.11160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
119.3041 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 ICD estimated from Google Maps linework.
Fort Walton Beach, FL
Oskaloosa Co.
United States 		Hollywood Blvd. / Hill Ave.
(30.41394, -86.66806) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8704 		Other (At-Grade)
Single-Lane 		1995 Anderson Drive to south is disconnected at roundabout.
Stuart, FL
Martin Co.
United States 		S. Dixie Hwy / SW Joan Jefferson Way / SW Akron Ave. / SW St. Lucie Ave.
(27.19928, -80.25545) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
29.7433 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
South Windsor, CT
Hartford Co.
United States 		Hemlock Ave. / Evergreen Way
(41.81417, -72.55495) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.3975 		Other (At-Grade)
Single-Lane 		2004 Roundabout is part of The Shops at Evergreen Walk retail center. ICD estimated from Google Maps linework.
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.
(unincorporated), FL
Palm Beach Co.
United States 		Lakes at Boca Raton / Cain Blvd.
(26.39603, -80.21160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3962 		Other (At-Grade)
Single-Lane 		1994 Completed November 1994. ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States 		MD 94 / MD 144
(39.33700, -77.07360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		1993 First roundabout in Maryland. Built initially as temporary, made permanent after one month.
Gainesville, FL
Alachua Co.
United States 		SE 7th St. / SE 4th Ave.
(29.64824, -82.31792) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-Lane 		1992 Pedestrian crossings within circulatory roadway. Completed April 1992.
Fort Walton Beach, FL
Okaloosa Co.
United States 		Hollywood Blvd. / Doolittle Blvd.
(30.41364, -86.66468) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.8704 		Other (At-Grade)
Single-Lane 		1994
Tallahassee, FL
Leon Co.
United States 		Killarney Way / Shamrock Dr.
(30.51361, -84.22315) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.7810 		Other (At-Grade)
Single-Lane 		1994 Completed August 1994. ICD estimated from Google Maps linework.
Bradenton Beach, FL
Manatee Co.
United States 		SR 789 / Bridge St.
(27.46500, -82.69847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.8361 		Other (At-Grade)
Single-Lane 		1994 Completed August 1994. ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States 		Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd.
(34.42903, -119.67720) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
1 Driveways
23.6427 		Other (At-Grade)
Single-Lane 		1992 Includes driveway into roundabout serving one home. 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
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 		Other
None 		4 Approaches
0 Driveways
129.5400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		Yield control on circulatory roadway.
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
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