29372 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
Washington, DC
N/A Co.
United States
Scott Circle (Mass. Ave. / Rhode Isl. Ave. / 16th St. / N St.)
(38.90725, -77.03654)
Signalized Roundabout/Circle
Existing
Signal
None
6 Approaches
0 Driveways
51.1161
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States
Logan Circle (Rhode Isl. Ave. / Vermont Ave. / 13th St. / P St.)
(38.90965, -77.02963)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
120.8157
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States
Thomas Circle (Mass Ave. / Vermont Ave. / 14th St. / M St.)
(38.90565, -77.03196)
Signalized Roundabout/Circle
Existing
Signal
None
6 Approaches
0 Driveways
75.2817
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States
Sheridan Circle (Mass Ave. / 23rd St. / R St.)
(38.91214, -77.05065)
Rotary
Existing
Uncontrolled
None
0 Approaches
0 Driveways
69.6989
Other (At-Grade)
Multilane (2 Lane, unspecified)
Functional Class: Arterial ICD estimated from Google Maps linework.
Washington, DC

United States
Westmoreland Circle (Massachusetts Ave. NW / Dalecarlia Dr. / Western Ave. NW / Butterworth Pl. NW)
(38.94892, -77.10097)
Rotary
Existing
All-Way Yield
None
6 Approaches
0 Driveways
100.5840
Other (At-Grade)
Multilane (3+ Lane)
On boundary of DC and Maryland (Western Ave. is the boundary).
Washington, DC
N/A Co.
United States
Ward Circle (Mass. Ave. / Nebraska Ave.)
(38.93792, -77.08590)
Signalized Roundabout/Circle
Existing
Signal
None
0 Approaches
0 Driveways
80.8214
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Washington, DC

United States
Chevy Chase Circle (Connecticut Ave. NW / Western Ave. NW / Chevy Chase Pkwy. NW / Grafton St.)
(38.96761, -77.07716)
Rotary
Existing
All-Way Yield
None
7 Approaches
0 Driveways
109.7280
Other (At-Grade)
Multilane (3+ Lane)
On boundary between DC and Maryland (Western Ave. is the boundary). Pedestrian access to central island.
Washington, DC
N/A Co.
United States
Tenley Circle (Nebraska Ave. / Wisconsin Ave. / Yuma St.)
(38.94628, -77.07875)
Signalized Roundabout/Circle
Existing
Signal
None
0 Approaches
0 Driveways
73.3809
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States
Sherman Circle (Kansas Ave. / Illinois Ave. / Crittenden St.)
(38.94733, -77.02190)
Rotary
Existing
All-Way Stop
None
6 Approaches
0 Driveways
89.1704
Other (At-Grade)
Multilane (2 Lane, unspecified)
Functional Class: Arterial ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
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
120.7587
Other (At-Grade)
Multilane (2 Lane, unspecified)
Functional Class: Arterial ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NE Cesar E Chavez Blvd. (NE 39th Ave.) / NE Glisan St.
(45.52640, -122.62300)
Other
Existing
All-Way Stop
None
4 Approaches
0 Driveways
68.6113
Other (At-Grade)
Multilane (2 Lane, unspecified)
Stop-controlled entries into circle. Bus stop within circulatory roadway. Historical rotary with stop control. ICD estimated from Google Maps linework.
Beaverton, OR
Washington Co.
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
37.7099
Other (At-Grade)
Single-Lane
Characteristics of a roundabout, but yield signs replaced with stop signs in 1998. ICD estimated from Google Maps linework.
Berkeley, CA
Alameda Co.
United States
Marin Ave. / Los Angeles Ave. / Del Norte St. / Arlington Ave.
(37.89015, -122.27240)
Other
Existing
One-Way/Two-Way Stop
None
6 Approaches
0 Driveways
25.4489
Other (At-Grade)
Single-Lane
Free movement on Marin Ave.; rest are stop-controlled ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States
Monterey Ave. / Stevens Rd.
(45.43780, -122.56390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.8738
Other (At-Grade)
Single-Lane
2006 Fourth leg serves New Hope Community Church parking lot. ICD estimated from Google Maps linework.
Abingdon, MD
Harford Co.
United States
Tollgate Rd. / Montrose Way
(39.48198, -76.32751)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.5762
Other (At-Grade)
Single-Lane
2003 Elementary school and library to north, another school to south. Functional Class: Collector ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
West End Rd. / Spear Ave. / Saint Louis Rd.
(40.88910, -124.08210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.0866
Other (At-Grade)
Single-Lane
1998 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Samoa Blvd. / Union St.
(40.86140, -124.07730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.2273
Other (At-Grade)
Single-Lane
1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Bel Air, MD
Harford Co.
United States
Tollgate Rd. / Westover Ln. / Crisfield Dr.
(39.46859, -76.32162)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.7377
Other (At-Grade)
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 ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Samoa Blvd. / Buttermilk Ln.
(40.85710, -124.07250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.1329
Other (At-Grade)
Single-Lane
1999 Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Guintoli Ln. / US 101 SB Ramps
(40.90400, -124.08920)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
39.7180
Freeway Ramps (Grade-Separated)
Single-Lane
2005 ICD estimated from Google Maps linework.
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
33.7860
Other (At-Grade)
Single-Lane
2008 ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
Guintoli Ln. / US 101 NB Ramps
(40.90492, -124.08510)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.3015
Freeway Ramps (Grade-Separated)
Single-Lane
2005 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
Florida Rd. / Riverview Dr.
(37.28319, -107.86900)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.4086
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
CR 238 / Fort Lewis Dr. / College Dr.
(37.27940, -107.85940)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.7643
Other (At-Grade)
Single-Lane
2007 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
(Mercy Regional Medical Center ring road) / (unknown)
(37.23677, -107.82050)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.2308
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Visalia, CA
Tulare Co.
United States
Houston Ave. / Santa Fe St. / NE 3rd Ave.
(36.34183, -119.28780)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
50.9874
Other (At-Grade)
Single-Lane
2010 ICD estimated from Google Maps linework.
Durango, CO
La Plata Co.
United States
Wilson Gulch Dr. / Three Springs Blvd.
(37.23339, -107.82310)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Quimby St.
(45.53328, -122.70277)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
3 Approaches
0 Driveways
15.8958
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States
Old Meridian St. / Grand Blvd.
(39.97366, -86.14984)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
56.3880
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2008 ICD estimated from Google Maps linework.
Port Orchard, WA
Kitsap Co.
United States
Mile Hill Dr. (Hwy 166) / Bethel Ave.
(47.53467, -122.62730)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.7045
Other (At-Grade)
Single-Lane
1998 Previously a Y Intersection. Opened June 1998. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States
Rte 67 (Dunning St.) / I-87 NB Ramps
(42.97052, -73.80057)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006 Painted spiral next to central island. Part of a series of 5 roundabouts.
Modesto, CA
Stanislaus Co.
United States
La Loma / James St. / G St.
(37.64360, -120.98740)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
34.0452
Other (At-Grade)
Single-Lane
1997 Permanent installation with landscaping in place Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Clackamas, OR
Clackamas Co.
United States
Monterey Ave. / Causey Ave. / William Otty Rd.
(45.44020, -122.55510)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.7102
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Montréal, QC
Montréal Region
Canada
Ave. Marie-Curie / Blvd. Alfred Nobel
(45.48518, -73.76222)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.6801
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Completed November 1998. Functional Class: Collector ICD estimated from Google Maps linework.
(unincorporated), OR
Clackamas Co.
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
34.3688
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
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
57.9120
Other (At-Grade)
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 Co.
United States
W. Lake Sammamish Pkwy. SE / Lakemont Blvd. SE
(47.56776, -122.09980)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.4567
Other (At-Grade)
Single-Lane
1997 Revised August 2005. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Tallahassee, FL
Leon Co.
United States
Sutor Road / Old Sutor Road
(30.42957, -84.21212)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
16.4770
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Port St. Lucie, FL
St. Lucie Co.
United States
SE Westmoreland Blvd. / Pine Valley St.
(27.25530, -80.30157)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
72.1975
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Fort Pierce, FL
St. Lucie Co.
United States
Avenue A / N Indian River Dr.
(27.44907, -80.32326)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6165
Other (At-Grade)
Single-Lane
1997 http://www.walkinginfo.org/pedsafe/casestudy.cfm?CS_NUM=14. Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States
Rte 67 (Dunning St.) / I-87 SB Ramps
(42.97024, -73.80309)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006 Painted spiral next to central island. Part of a series of 5 roundabouts.
Malta, NY
Saratoga Co.
United States
Rte 67 (Dunning St.) / US 9
(42.97116, -73.79296)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006 Part of a series of 5 roundabouts.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Overton St.
(45.53190, -122.70270)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
44.3420
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Marshall St.
(45.53040, -122.70270)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
62.7498
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States
Riverside Ave. / W 1720 North
(40.25703, -111.66810)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.8749
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Columbia, MD
Howard Co.
United States
Cradlerock Way / Homespun Dr.
(39.19095, -76.83787)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
22.2158
Other (At-Grade)
Single-Lane
2001 Completed May 21, 2001. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States
Rte 67 (Dunning St.) / Kelch Dr. / Blacksmith Dr. (Malta Commons)
(42.97068, -73.79804)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006 Part of a series of 5 roundabouts.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / E. San Pablo Dr.
(33.56833, -111.89350)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
49.7573
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / N. 87th St.
(33.56715, -111.89500)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
69.6612
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
McWhinney Blvd. / Hahns Peak Dr. / Grays Peak Dr.
(40.41048, -105.01140)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
71.6280
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002
Eugene, OR
Lane Co.
United States
Barger Dr. / Green Hill Rd.
(44.08470, -123.20830)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.6002
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
Monterey Way / Harvard Rd.
(38.96400, -95.28833)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
15.7869
Other (At-Grade)
Single-Lane
1999 Built as part of reconstrction of Monterey Way. Designed as part of City/State Safety Improvement Project. ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
West Campus Rd. / Jayhawk Blvd. / Crescent Rd.
(38.95905, -95.25105)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.7185
Other (At-Grade)
Single-Lane
2013 Original circle built c. 1945, rebuilt 2013 as part of reconstruction of Jayhawk Boulevard. Encircles Chi Omega fountain. Functional Class: Collector ICD estimated from Google Maps linework.
Coventry, CT
Tolland Co.
United States
Daly Rd. / South St.
(41.76721, -72.33688)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.9424
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Fairmont, WV
Marion Co.
United States
WV 273 (State St.) / Haymond St.
(39.47601, -80.13599)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
2010 Detectable warning surfaces along entire length of narrow pedestrian ramp.
East Lansing, MI
Ingham Co.
United States
Bogue St. / Shaw Ln.
(42.72575, -84.47185)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Roundabout built in 2000, removal date estimated (2013-2015).
Hartland, MI
Livingston Co.
United States
Hartland Rd. / Rovey Dr.
(42.63682, -83.74883)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.6594
Other (At-Grade)
Single-Lane
2009 ICD estimated from Google Maps linework.
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
33.5384
Other (At-Grade)
Single-Lane
2010 Functional Class: Collector ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States
Anderson Rd. / Alvarado Ave.
(38.56210, -121.75850)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.2149
Other (At-Grade)
Single-Lane
1997 Moderate to high pedestrian and bicycle volume. Located in residential area frequented by commuters to University of California at Davis. ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / E. San Rafael Dr.
(33.56711, -111.89565)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-Lane
ICD estimated from Google Earth.
Arcata, CA
Humboldt Co.
United States
12th St. / I St.
(40.87160, -124.08700)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
48.7687
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Goshen, CT
Litchfield Co.
United States
Rte. 4 / Rte. 63
(41.83185, -73.22539)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9080
Other (At-Grade)
Single-Lane
2002 Painted splitter islands.
Rochester, MI
Oakland Co.
United States
Tienken Rd. / Runyon Rd. / Washington Rd.
(42.69743, -83.11135)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.0105
Other (At-Grade)
Single-Lane
1999 Total cost: $353,000. Completed July 1999. Functional Class: Arterial ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
13th St. / J St.
(40.87260, -124.08780)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
11.7404
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Greenwich, CT
Fairfield Co.
United States
King St. / Rye Lake Ave.
(41.07508, -73.70280)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
2006 Temporary roundabout installed May 12, 2004. Functional Class: Local.
Madison, CT
New Haven Co.
United States
Rte. 80 / Rte. 79
(41.35976, -72.63807)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
98.6077
Other (At-Grade)
Single-Lane
Old traffic circle converted to yield on entry. ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Village Center Dr. / Meadow Hills Dr.
(36.19350, -115.30070)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
59.4360
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
1991 Add-lane right-turn bypass lane on north leg.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / N. 84th St.
(33.56832, -111.89880)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
37.8156
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
New London, CT
New London Co.
United States
Shaw St. / Howard St. / Willets Ave.
(41.34284, -72.09972)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.9700
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / N. 83rd Pl.
(33.56770, -111.90100)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
63.6899
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States
Grandview Dr. / Olympic Blvd.
(47.22188, -122.55790)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.1454
Other (At-Grade)
Single-Lane
1997 Curtis High School and Curtis Junior High School on NE corner of roundabout. Opened August 1997. Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
27th Ave. / Union St. / Southridge Blvd / W Creekstone Dr.
(46.18497, -119.18040)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5168
Other (At-Grade)
Single-Lane
2000 Completed August 25, 2000. Right-turn bypass on WB approach. Was 3-leg intersection; fourth leg added to west as part of project. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Seymour, CT
New Haven Co.
United States
Rte. 188 / Rte. 334 (Great Hill Rd.) / Holbrook Rd.
(41.37857, -73.12669)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.8466
Other (At-Grade)
Single-Lane
2016 Previous traffic circle was upgraded to modern roundabout design guidelines. 21442
Scottsdale, AZ
Maricopa Co.
United States
N. Marshall Way / E. Main St.
(33.49311, -111.92830)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
22.9083
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
N. Marshall Way / E. 5th Ave.
(33.49802, -111.92900)
Other
Existing
All-Way Stop
None
3 Approaches
0 Driveways
23.9030
Other (At-Grade)
Single-Lane
Stop controlled. ICD estimated from Google Maps linework.
Prescott, AZ
Yavapai Co.
United States
SR 89 / Willow Lake Rd.
(34.59233, -112.42580)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
64.0080
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2006
Bisbee, AZ
Cochise Co.
United States
Bisbee Rd. / SR 80 / SR 92
(31.42830, -109.89230)
Rotary
Existing
All-Way Yield
None
4 Approaches
0 Driveways
104.9686
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Kingston, NY
Ulster Co.
United States
I-587 / Rte 28 / I-87 Ramps / Washington Ave.
(41.94362, -74.02840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.9600
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2000 A 600 ft diameter traffic circle was replaced by 200 ft diameter roundabout. At Exit 19 from I-87. I-587 terminates in roundabout.
Windsor, CT
Hartford Co.
United States
Hayden Station Rd. / Lancaster Dr. / Center St.
(41.89280, -72.63409)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.8935
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector. Year Completed estimated (1994-2003). ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States
Gary Ave. / Candlewood Dr.
(39.21087, -96.61885)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.2841
Other (At-Grade)
Single-Lane
1997 Considered to be the First Modern Roundabout in the State of Kansas. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Oviedo, FL
Seminole Co.
United States
Franklin St. / Geneva Dr. / Division St.
(28.67359, -81.20439)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
34.5795
Other (At-Grade)
Single-Lane
2006 Website: http://www.cityofoviedo.net/files/Roundabouts.pdf 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.