5905 Results

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City, State
County
Country
Intersection
(Lat, Lng)
Type
Status
Control Type / Other Control Type Approaches / Driveways Functional Class /
LaneType
Year Completed Comments
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
Metering Signal
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
1998 Opened November 1998. Metering signal on Snowden River Pkwy approach.
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
1997 Fourth leg added. Year Completed estimated (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.
Green Bay, WI
Brown
United States
W. Mason St. (STH 32-STH 54)/US 41 SB Ramps
(44.52418, -88.08284)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Multilane (3+ Lane)
2012 Series of 3 roundabouts. Opened August 31, 2012.
Brattleboro, VT
Windham
United States
Rte. 9/Rte. 5
(42.88500, -72.55670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
1999 Adjacent to I-89. Heavy truck volume (>7%) Functional Class: Arterial
Green Bay, WI
Brown
United States
W. Mason St. (STH 32-STH 54)/US 41 NB Ramps
(44.52415, -88.08103)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Multilane (3+ Lane)
2012 Series of 3 roundabouts. Opened August 31, 2012.
Lakewood, CO
Jefferson
United States
Arbutus Dr./Red Rocks Community College
(39.71903, -105.14840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2001 Functional Class: Collector
St. Simons, GA
Glynn
United States
Frederica Rd./Lawrence Rd.
(31.21650, -81.37550)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2006
Wall, NJ
Monmouth
United States
NJ 35/Atlantic Ave. (Brielle Circle)
(40.13232, -74.06525)
Rotary
Existing
Other
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
Traffic circle conversion
Southampton, NJ
Burlington
United States
US 206/NJ 70 (Red Lion Circle)
(39.88715, -74.74104)
Rotary
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
Traffic circle conversion Functional Class: Arterial
Washington, DC
N/A
United States
Dupont Circle (Mass Ave./Conn. Ave./New Hampshire Ave.19th St./P St.)
(38.90965, -77.04344)
Rotary
Existing
Signal
None
10 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Washington Circle (Penn. Ave./New Hampshire Ave./23rd St./K St.)
(38.90252, -77.05010)
Rotary
Existing
Signal
None
8 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Scott Circle (Mass. Ave./Rhode Isl. Ave./16th St./N St.)
(38.90725, -77.03654)
Rotary
Existing
Signal
None
6 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Logan Circle (Rhode Isl. Ave./Vermont Ave./13th St./P St.)
(38.90965, -77.02963)
Rotary
Existing
Signal
None
5 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Thomas Circle (Mass Ave./Vermont Ave./14th St./M St.)
(38.90565, -77.03196)
Rotary
Existing
Signal
None
0 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Sheridan Circle (Mass Ave./23rd St./R St.)
(38.91214, -77.05065)
Rotary
Existing
Free Merge
None
0 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Westmoreland Circle (Mass. Ave./Dalecarlia Pkwy/Western Ave.)
(38.94892, -77.10097)
Rotary
Existing
Free Merge
None
6 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Ward Circle (Mass. Ave./Nebraska Ave.)
(38.93792, -77.08590)
Rotary
Existing
Signal
None
0 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Chevy Chase Circle (Conn. Ave./Western Ave.)
(38.96761, -77.07716)
Rotary
Existing
Signal
None
0 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Tenley Circle (Nebraska Ave./Wisconsin Ave./Yuma St.)
(38.94628, -77.07875)
Rotary
Existing
Signal
None
0 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Sherman Circle (Kansas Ave./Illinois Ave./Crittenden St.)
(38.94733, -77.02190)
Rotary
Existing
All-Way Stop
None
6 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Washington, DC
N/A
United States
Grant Circle (New Hampshire Ave./Illinois Ave./Varnum St./NW 5th St.)
(38.94312, -77.01926)
Rotary
Existing
All-Way Stop
None
8 Approaches
0 Driveways
Other
Multilane (2 Lane)
Functional Class: Arterial
Portland, OR
Multnomah
United States
NE 39th Ave./Glisan St.
(45.52640, -122.62300)
Other
Existing
All-Way Stop
None
4 Approaches
0 Driveways
Other
Multilane (2 Lane)
Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. Functional Class: Arterial
Beaverton, OR
Washington
United States
SW Teal Blvd./155th Ave./Nutcracker Ct.
(45.44060, -122.83760)
Other
Existing
All-Way Stop
None
4 Approaches
0 Driveways
Other
Single-Lane
Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. Functional Class: Collector

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