9871 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
Phoenix, AZ
Maricopa
United States
S. Melon Ln./W. Country Place Blvd.
(33.41839, -112.27850)
Roundabout
Existing
All-Way Yield
None
2 Approaches
2 Driveways
Other
Single-Lane
2004 Painted splitter islands. Functional Class: Local
Lawrence, KS
Douglas
United States
Monterey Way/Peterson Rd.
(38.98607, -95.28841)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2005
Lewisville, NC
Forsyth
United States
Concord Church Rd./US 421 SB Ramp/Williams Rd.
(36.08978, -80.43072)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
2000 Solved capacity problem. Previously controlled by one-way stop
Clemmons, NC
Forsyth
United States
Fraternity Church Rd./Hope Church Rd.
(36.02653, -80.34301)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
1999 Existing three-legged intersection converted to a four-legged intersection by adding new Clemmons Middle School driveway at the roundabout. Previously controlled by one-way stop Functional Class: Local
Maplewood, MN
Ramsey
United States
Kennard St./Legacy Pkwy.
(45.03317, -93.03062)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2004 Site has RT pavement arrows at entrance line.
Phoenix, AZ
Maricopa
United States
Aviano Way/(unknown)
(33.68941, -111.99350)
Rotary
Existing
All-Way Yield
None
0 Approaches
0 Driveways
Other
Single-Lane
Mini-roundabout. Completed 2005.
Olathe, KS
Johnson
United States
Sheridan Rd./Ridgeview Rd./Dennis Ave.
(38.87270, -94.79730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2001 Completed April 2001.
Olathe, KS
Johnson
United States
Sheridan Rd./Clairborne Rd.
(38.87020, -94.79250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2001
Parkville, MO
Platte
United States
MO 45 (Tom Watson Pkwy.)/National Dr.
(39.21016, -94.70027)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000 Functional Class: Arterial
Orange, CA
Orange
United States
Chapman Ave./Glassell St.
(33.78788, -117.85310)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
Old school traffic circle, pedestrian park in the middle, cars park along the sides.
Portland, OR
Multnomah
United States
SW Terwilliger Blvd./SW Palater Rd.
(45.45290, -122.67660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2002 Roundabout replaces existing Y-intersection, adds fourth leg to serve college law school. Includes driveway into roundabout serving two homes. First roundabout under City of Portland jurisdiction.
Culloden, GA
Monroe
United States
SR 7-US 341/SR 74
(32.87954, -84.09019)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2008 Functional Class: Rural
Bayfield, CO
La Plata
United States
CR 501/Bayfield Center Drive
(37.23389, -107.60210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2001 Bayfield Center Drive is a new roadway. Completed Fall 2001. Functional Class: Arterial
Paola, KS
Miami
United States
K-68/Old Kansas City Rd./Hedge Ln.
(38.62133, -94.85551)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other
Single-Lane
2001 First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial
Topeka, KS
Shawnee
United States
46th St./US 75 Ramps
(39.12934, -95.71959)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps
Single-Lane
2002 Roundabout under structure as part of single-point interchange. Elliptical roundabout. Original intersection was at grade. Completed November 2002.
Phoenix, AZ
Maricopa
United States
N. 43rd St./E. Stanford Dr.
(33.51700, -111.98930)
Neighborhood Traffic Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
Other
Single-Lane
2005 Mini-roundabout
Quebec, QC
Capitale-Nationale Region
Canada
Rue de la Rive-Boisee N/Rue du Baumier
(46.83577, -71.32953)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
No splitter islands.
Hutchinson, KS
Reno
United States
23rd Ave./Severence St.
(38.07940, -97.91340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000 Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector
Garnett, KS
Harvey
United States
US 59/US 169
(38.25832, -95.24861)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2006 None. Previously controlled by one-way stop Functional Class: Arterial
Newton, KS
Harvey
United States
Broadway St./I-135 Ramps
(38.05000, -97.32250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps
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
Bend, OR
Deschutes
United States
NW Mt. Washington Dr./NW Skyliners Rd.
(44.05369, -121.35490)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2005 Roundabout constructed with addition of south leg.
Bend, OR
Deschutes
United States
NW Shevlin Park Rd./Newport Ave./College Way
(44.06240, -121.33770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2006
Bend, OR
Deschutes
United States
NW Mt. Washington Dr./Shevlin Park Rd.
(44.06780, -121.35530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000 South leg on Mt. Washington Drive added as part of new development.
Bend, OR
Deschutes
United States
NW Mt. Washington Dr./NW Crossing Dr.
(44.05890, -121.35670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000 Both roadways brand new as part of new development.
Bend, OR
Deschutes
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
Other
Single-Lane
2001 Roundabout sized for ultimate conversion to double lane.
Bend, OR
Deschutes
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
Other
Single-Lane
2002 Driveways located between crosswalk and circulatory roadway on both sides of west leg.
Bend, OR
Deschutes
United States
NW 14th St./NW Galveston Ave.
(44.05660, -121.33180)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2002
Bend, OR
Deschutes
United States
NW 14th St./Newport Ave.
(44.06230, -121.33170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2005
Bend, OR
Deschutes
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
Other
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.
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
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
Modesto, CA
Stanislaus
United States
La Loma/James St./G St.
(37.64360, -120.98740)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other
Single-Lane
1997 Permanent installation with landscaping in place Previously controlled by two-way stop Functional Class: Collector
Clackamas, OR
Clackamas
United States
Monterey Ave./Causey Ave./William Otty Rd.
(45.44020, -122.55510)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2004
Port Orchard, WA
Kitsap
United States
Mile Hill Dr. (Hwy 166)/Bethel Ave.
(47.53467, -122.62730)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial
Portland, OR
Multnomah
United States
NW 25th Ave./NW Quimby St.
(45.53330, -122.70280)
Neighborhood Traffic Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
Other
Single-Lane
1988 Completed 9/30/1988.
Stuart, FL
Martin
United States
N. Colorado Ave./E. Osceola St.
(27.19860, -80.25300)
Neighborhood Traffic Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
Hartland, MI
Livingston
United States
Hartland Rd./Rovey Dr.
(42.63682, -83.74883)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2009
Ottawa, ON
City of Ottawa
Canada
Bayview Rd./Slidell St./Burnside Ave.
(45.40958, -75.72880)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2010 Functional Class: Collector
Davis, CA
Yolo
United States
Anderson Rd./Alvarado Ave.
(38.56210, -121.75850)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1997 Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis.
Scottsdale, AZ
Maricopa
United States
E. Via Linda/E. San Rafael Dr.
(33.56711, -111.89560)
Neighborhood Traffic Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
Other
Single-Lane
Arcata, CA
Humboldt
United States
12th St./I St.
(40.87160, -124.08700)
Neighborhood Traffic Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
Goshen, CT
Litchfield
United States
Rte. 4/Rte. 63
(41.83181, -73.22543)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2002 Painted rather than raised islands
Rochester, MI
Oakland
United States
Tienken Rd./Runyon Rd./Washington Rd.
(42.69743, -83.11135)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 Total cost: $353,000. Completed July 1999. Functional Class: Arterial
Arcata, CA
Humboldt
United States
13th St./J St.
(40.87260, -124.08780)
Neighborhood Traffic Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
Greenwich, CT
Fairfield
United States
King St./Rye Lake Ave.
(41.07508, -73.70280)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2006 Temporary roundabout installed May 12, 2004. Functional Class: Local.
Madison, CT
New Haven
United States
Rte. 80/Rte. 79
(41.35976, -72.63807)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
Old traffic circle converted to yield on entry.
Portland, OR
Multnomah
United States
NW 25th Ave./NW Overton St.
(45.53190, -122.70270)
Neighborhood Traffic Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
Other
Single-Lane
1988 Completed 9/30/1988.
Portland, OR
Multnomah
United States
NW 25th Ave./NW Marshall St.
(45.53040, -122.70270)
Neighborhood Traffic Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
Other
Single-Lane
1988 Completed 9/30/1988.
Provo, UT
Utah
United States
Riverside Ave./W 1720 North
(40.25703, -111.66810)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000
Columbia, MD
Howard
United States
Cradlerock Way/Homespun Dr.
(39.19095, -76.83787)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2001 Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector
(unincorporated), OR
Clackamas
United States
SE 147th Ave./Oregon Trail Dr./Hines Dr./Sieben Pkwy.
(45.42280, -122.51240)
Other
Existing
All-Way Stop
None
4 Approaches
0 Driveways
Other
Single-Lane
Bend, OR
Deschutes
United States
SW Century Dr./SW Colorado Ave./SW Chandler Ave.
(44.04180, -121.33200)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 Completed Fall 1999. One leg comes in at 60 degree angle. Right-turn bypass lane part of conceptual design but removed for final. First modern roundabout in Oregon.
Bellevue, WA
King
United States
W. Lake Sammamish Pkwy. SE/Lakemont Blvd. SE
(47.56776, -122.09980)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1997 Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial
Tallahassee, FL
Leon
United States
Sutor Road/Old Sutor Road
(30.42957, -84.21212)
Neighborhood Traffic Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
Port St. Lucie, FL
St. Lucie
United States
SE Westmoreland Blvd./Pine Valley St.
(27.25530, -80.30157)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other
Single-Lane
Fort Pierce, FL
St. Lucie
United States
Avenue A/N. Indian River Dr.
(27.44907, -80.32326)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2000 http://www.walkinginfo.org/pedsafe/casestudy.cfm?CS_NUM=14. 1997?
Beaverton, OR
Washington
United States
SW Teal Blvd./SW 155th Ave./SW 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.
Berkeley, CA
Alameda
United States
Marin Ave./Los Angeles Ave./Del Norte St./Arlington Ave.
(37.89015, -122.27240)
Other
Existing
Two-Way Stop
None
6 Approaches
0 Driveways
Other
Single-Lane
Free movement on Marin Ave.; rest are stop-controlled
Clackamas, OR
Clackamas
United States
Monterey Ave./Stevens Rd.
(45.43780, -122.56390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2006 Fourth leg serves New Hope Community Church parking lot.
Abingdon, MD
Harford
United States
Tollgate Rd./Montrose Way
(39.48198, -76.32751)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2003 Elementary school and library to north, another school to south. Functional Class: Collector
Arcata, CA
Humboldt
United States
West End Rd./Spear Ave./Saint Louis Rd.
(40.88910, -124.08210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
1998 Functional Class: Arterial
Arcata, CA
Humboldt
United States
Samoa Blvd./Union St.
(40.86140, -124.07730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 Functional Class: Arterial
Bel Air, MD
Harford
United States
Tollgate Rd./Westover Ln./Crisfield Dr.
(39.46859, -76.32162)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2002 http://www.teachamerica.com/roundabouts/RA058B_ppr_Statmeyer.pdf#search=%22bel%20air%20roundabout%22 Previously controlled by two-way stop Functional Class: Collector
Arcata, CA
Humboldt
United States
Samoa Blvd./Buttermilk Ln.
(40.85710, -124.07250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
1999 Functional Class: Arterial
Arcata, CA
Humboldt
United States
Guintoli Ln./US 101 SB Ramps
(40.90400, -124.08920)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
2005
Canmore, AB
Central Alberta
Canada
Three Sisters Pkwy./Stewart Creek Dr.
(51.05031, -115.31370)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2008
Arcata, CA
Humboldt
United States
Guintoli Ln./US 101 NB Ramps
(40.90492, -124.08510)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Freeway Ramps
Single-Lane
2005
Durango, CO
La Plata
United States
Florida Rd./Riverview Dr.
(37.28319, -107.86900)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2010
Durango, CO
La Plata
United States
CR 238/Fort Lewis Dr./College Dr.
(37.27940, -107.85940)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Other
Single-Lane
2007
Durango, CO
La Plata
United States
(Mercy Regional Medical Center ring road)/(unknown)
(37.23677, -107.82050)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other
Single-Lane
2006
Visalia, CA
Tulare
United States
Houston Ave./Santa Fe St./NE 3rd Ave.
(36.34183, -119.28780)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other
Single-Lane
2010
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.
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.
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