City,
State County Country |
Intersection (Lat, Lng) |
Type Status |
Control Type / Other Control Type | Approaches / Driveways |
Functional Class / LaneType |
Year Completed | Comments |
---|---|---|---|---|---|---|---|
Tampa,
FL Hillsborough United States |
North Blvd./Country Club Dr. (28.05466, -82.46759) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1996 | Completed June 1996. |
Winston-Salem,
NC Forsyth United States |
Salem Rd./Old Salem Rd./S. Main St. (36.08215, -80.24149) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2005 | TIP Project U-2926. Functional Class: Arterial |
Scottsdale,
AZ Maricopa United States |
N. 64th St./E. Lafayette Blvd. (33.49474, -111.94330) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
Olmos Park,
TX Bexar United States |
Olmos Dr./El Prado Dr./McCullough Ave. (29.47094, -98.49162) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Other Single-Lane |
1996 | Completed July 1996. |
Manchester,
VT Bennington United States |
Rte. 7A/Equinox (Grand Union) (43.17309, -73.06181) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1997 | Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector |
Annapolis,
MD Anne Arundel United States |
MD 450 (West St.)/Taylor Ave./Spa Rd. (Gateway Circle) (38.97630, -76.50486) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1999 | Opened December 1999. |
De Pere,
WI Brown United States |
Scheuring Rd. (CTH F)/US 41 NB Ramps (44.43074, -88.10989) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Multilane (2 Lane) |
2011 | Series of 6 roundabouts. Opened September 2011. |
Acworth-Kennesaw,
GA Cobb United States |
W. Sandtown Rd./Villa Rica Rd. (33.92703, -84.63775) |
Roundabout Existing |
All-Way Yield None |
0 Approaches 0 Driveways |
Other Single-Lane |
2008 | |
Durango,
CO La Plata United States |
Jenkins Ranch Rd./Lizard Head (south) (37.28605, -107.84710) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
2004 | |
Durango,
CO La Plata United States |
Jenkins Ranch Rd./Lizard Head (north) (37.28920, -107.84310) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
2004 | |
Ritchie,
MD Prince Georges United States |
Ritchie-Marlboro Rd./I-95 SB Ramps (38.86894, -76.84738) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Multilane (2 Lane) |
2001 | |
Ritchie,
MD Prince Georges United States |
Ritchie-Marlboro Rd./I-95 NB Ramps (38.86824, -76.84158) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Multilane (2 Lane) |
2001 | |
Santa Barbara,
CA Santa Barbara United States |
Milpas St./US 101 NB Ramps/Carpinteria St. (34.42070, -119.67810) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2000 | Oblong central island. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05. |
Cottonwood,
AZ Yavapai United States |
AZ 89A/Verde Heights Dr. (34.73999, -112.03740) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2009 | Series of 5 roundabouts. Functional Class: Arterial |
Oshkosh,
WI Winnebago United States |
CTH E (Witzel Ave.)/Koeller St. (44.01805, -88.58098) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2010 | Opened September 24, 2010. |
Carlsbad,
CA San Diego United States |
Legoland Dr./Armada Dr. (33.13229, -117.31660) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1999 | |
Phoenix,
AZ Maricopa United States |
S. Pointe Pkwy. W/S. Pointe Pkwy. E (33.37649, -111.97210) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1994 | Before 1997. |
Douglasville,
GA Douglas United States |
SR 5/SR 166 (33.61361, -84.83688) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2007 | Fatal crash November 24, 2011. 11861-05. |
(unincorporated),
MD Anne Arundel United States |
Arundel Beach Rd./Leelyn Dr. (39.07955, -76.54560) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Brunswick,
MD Frederick United States |
MD 17/A St./B St./Maryland Ave. (39.31433, -77.62807) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Other Single-Lane |
2000 | |
De Pere,
WI Brown United States |
Scheuring Rd. (CTH F)/US 41 SB Ramps (44.43050, -88.11402) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Multilane (2 Lane) |
2011 | Series of 6 roundabouts. Opened September 2011. |
Catonsville,
MD Baltimore United States |
MD 372/Hilltop Rd./Entrance to UMBC (39.25733, -76.71964) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1998 | Functional Class: Collector |
Lisbon,
MD Howard United States |
MD 94/Old Frederick Rd. (Lisbon North) (39.34810, -77.06930) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | |
Ellicott City,
MD Howard United States |
MD 103/MD 100 WB Ramps (39.20846, -76.78294) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
1998 | Opened November 1998. |
Ellicott City,
MD Howard United States |
MD 103/MD 100 EB Ramps (39.20733, -76.78243) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
1998 | Opened November 1998. |
Ellicott City,
MD Howard United States |
Snowden River Pkwy./MD 100 WB Ramps (39.21233, -76.79544) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
1998 | Opened November 1998. |
Ellicott City,
MD Howard United States |
MD 104 (Waterloo Rd.)/MD 100 WB Ramps (39.22470, -76.80600) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Freeway Ramps Multilane (2 Lane) |
1999 | |
Federalsburg,
MD Caroline United States |
MD 307/MD 313/MD 318 (38.68938, -75.78949) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1999 | Rural, installed for safety reasons Previously controlled by two-way stop |
Portland,
OR Multnomah United States |
SE Ladd Circle (45.50850, -122.64940) |
Other Existing |
Unknown None |
0 Approaches 0 Driveways |
Other Single-Lane |
||
Cedar Lake Township,
MN Scott United States |
SH 13 (Langford Ave.)/CR 2 (260th St.) (44.57259, -93.50546) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | Rural location, intersection of two 55-mph facilities. Previous 2-way stop had 2 fatal crashes and 50 injury crashes in 5 years. Opened to traffic in September 2005. During 12 months after opening, 1 reported crash involving single motorcycle running off road. Previously controlled by two-way stop Functional Class: Arterial |
Mount Rainier,
MD Prince Georges United States |
US 1/34th St./Perry St. (38.93647, -76.96074) |
Roundabout Existing |
All-Way Yield None |
5 Approaches 0 Driveways |
Other Multilane (2 Lane) |
2001 | Functional Class: Arterial |
Lutherville-Timonium,
MD Baltimore United States |
MD 139 (Charles St.)/Bellona Ave. (39.41790, -76.62900) |
Roundabout Removed |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Multilane (2 Lane) |
1999 | Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop Functional Class: Arterial |
Copley Township,
OH Summit United States |
Ridgewood Rd./Hametown Rd. (41.11395, -81.66791) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2006 | Opened August 21, 2006. |
Decatur,
GA DeKalb United States |
N. Decatur Rd./Lullwater Rd. (33.78700, -84.32900) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
2004 | Functional Class: Arterial |
Durango,
CO La Plata United States |
Jenkins Ranch Rd./Ophir Dr. (37.28321, -107.85120) |
Roundabout Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
2004 | |
Huntsville,
AL Madison United States |
Old Monrovia Rd./Providence Main St./Indian Creek Rd. (34.75765, -86.68776) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2004 | Single-lane with right-turn only lanes. Built as staged construction with potential to be multilane. |
Camp Verde,
AZ Yavapai United States |
Middle Verde/Cliff Castle (34.60927, -111.86130) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2005 | |
De Pere,
WI Brown United States |
Grant St. (CTH EE)/Lawrence Dr. (44.44511, -88.09367) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
2008 | Opened September 30, 2008. |
Truckee,
CA Nevada United States |
Donner Pass Rd./W. River St./McIver Crossing (39.32510, -120.19200) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1998 | Fatal crash. 11861-05. Functional Class: Arterial |
Durango,
CO La Plata United States |
Jenkins Ranch Rd./Kennebec Dr. (37.29216, -107.84010) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
2003 | |
Dawsonville,
GA Dawson United States |
SR 9E (Lumpkin Campground Rd.)/Dawson Forrest Rd. (34.35427, -84.05168) |
Roundabout Existing |
All-Way Yield None |
0 Approaches 0 Driveways |
Other Single-Lane |
2007 | |
Oakwood,
GA Hall United States |
Landrum Education Dr./Frontage Rd./Mathis Dr. (34.23434, -83.86434) |
Roundabout Existing |
All-Way Yield None |
0 Approaches 0 Driveways |
Other Single-Lane |
2007 | Gainesville College |
Pearl,
MS Rankin United States |
MS 475 (Airport Rd.)/Old Brandon Rd. (32.29057, -90.07133) |
Roundabout Existing |
Unknown Unknown |
4 Approaches 0 Driveways |
Other Single-Lane |
1997 | Use of paint to achieve (?) deflection. |
Gorham,
ME Cumberland United States |
US 202/Rte. 4/Rte. 237 (43.72846, -70.42525) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
1997 | Previously controlled by two-way stop |
(unincorporated),
MD Prince Georges United States |
Ft. Washington Rd./Swan Creek Rd. (38.72498, -77.00491) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Other Single-Lane |
Fourth leg added. Year Completed unknown (before 2001). | |
Bel Air,
MD Harford United States |
Tollgate Rd./Marketplace Dr. (39.52092, -76.35262) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1996 | Three leg, off-set roundabout - off-set due to lack of r/w on top side of Functional Class: Collector |
Columbia,
MD Howard United States |
Banneker Rd./Cul-de-sac (39.21141, -76.87041) |
Neighborhood Traffic Circle Existing |
Unknown Unknown |
3 Approaches 0 Driveways |
Other Single-Lane |
Functional Class: Local | |
Columbia,
MD Howard United States |
Trotter Rd./South Wind Cir. (39.20956, -76.91891) |
Roundabout Existing |
All-Way Yield None |
3 Approaches 0 Driveways |
Other Single-Lane |
1997 | Functional Class: Collector. Year Completed estimated (1993-2001). |
Topeka,
KS Shawnee United States |
Rice Rd./I-70 WB Ramps/Sycamore Dr. (39.03610, -95.62310) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
2000 | Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. |
Topeka,
KS Shawnee United States |
Rice Rd./I-70 EB Ramps/Cyprus Drive (39.03190, -95.62320) |
Roundabout Existing |
All-Way Yield None |
4 Approaches 0 Driveways |
Freeway Ramps Single-Lane |
2000 | Part of a major realignment of I-70 and K-4. Cyprus Drive is One Way Eastbound (away from the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. |