15424 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
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
(42.97027, -73.80322)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.5689
Other (At-Grade)
Multilane (2 Lane)
2006 Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
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
43.6943
Other (At-Grade)
Multilane (2 Lane)
2006 Part of a series of 5 roundabouts. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Overton St.
(45.53190, -122.70270)
Traffic Calming Circle
Existing
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
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)
(42.97073, -73.79816)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.8207
Other (At-Grade)
Multilane (2 Lane)
2006 Part of a series of 5 roundabouts. 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
68.2039
Other (At-Grade)
Multilane (2 Lane)
2002 Previously controlled by new Functional Class: Arterial ICD estimated from Google Maps linework.
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 / Haymond St.
(39.47601, -80.13599)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
47.9383
Other (At-Grade)
Multilane (2 Lane)
2010 Functional Class: Arterial ICD estimated from Google Maps linework.
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
88.6139
Other (At-Grade)
Multilane (2 Lane)
2014 Roundabout built in 2000, removal date estimated (2013-2015). ICD estimated from Google Maps linework.
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.
Goshen, CT
Litchfield Co.
United States
Rte. 4 / Rte. 63
(41.83181, -73.22543)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.3576
Other (At-Grade)
Single-Lane
2002 Painted rather than raised islands ICD estimated from Google Maps linework.
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.
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
53.0121
Other (At-Grade)
Multilane (2 Lane)
1991 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.
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
35.8469
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. 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
59.9743
Other (At-Grade)
Multilane (2 Lane)
2006 ICD estimated from Google Maps linework.
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 / Washington Ave.
(41.94362, -74.02840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.7424
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
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. ICD estimated from Google Maps linework.
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.
Windsor, CT
Hartford Co.
United States
Hayden Station Rd. / Pond Rd.
(41.89371, -72.64065)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
24.0041
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector. Year Completed estimated (1992-2003). ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Vista Run Dr. / Park Vista Dr.
(36.17820, -115.34610)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.2741
Other (At-Grade)
Single-Lane
1995 Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States
Prospect Hill Rd. / Lang Rd.
(41.89153, -72.69762)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
25.7830
Other (At-Grade)
Single-Lane
1998 Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
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
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
45.5659
Other (At-Grade)
Multilane (2 Lane)
2006 Functional Class: Arterial ICD estimated from Google Maps linework.
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
47.2943
Other (At-Grade)
Multilane (2 Lane)
2006 Functional Class: Arterial 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.
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.
Paradise Valley, AZ
Maricopa Co.
United States
Indian Bend Rd. / 70th St.
(33.53864, -111.92930)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.7835
Other (At-Grade)
Single-Lane
Mini-roundabout 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)
Mini-roundabout
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.
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.
Greeley, CO
Weld Co.
United States
Promontory Cir. / W. 11th St.
(40.41889, -104.84990)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
37.2801
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Majestic Palm Dr. / Palm Isles Dr.
(26.53700, -80.16410)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.4660
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Peoria, AZ
Maricopa Co.
United States
N Sunrise Point / Sunset Point
(33.75302, -112.33080)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
75.4690
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
Promontory Cir. / W. 16th St.
(40.41505, -104.85090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.6450
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
Promontory Cir. / Con Agra Dr.
(40.41138, -104.85200)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.6468
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Treviso Ln.
(26.54100, -80.16380)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.6431
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
Promontory Cir. / W. 18th St.
(40.40869, -104.85120)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.4670
Other (At-Grade)
Multilane (2 Lane)
2004 4 roundabouts in series; 6 in vicinity. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
23rd Ave. / W. Osborn Rd.
(33.48775, -112.10840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
15.9372
Other (At-Grade)
Single-Lane
2005 Small roundabout. ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
W. 18th St. / unknown
(40.41203, -104.85840)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
34.5558
Other (At-Grade)
Multilane (2 Lane)
2004 Part of 6 in vicinity. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
16.9162
Other (At-Grade)
Single-Lane
2006 Mini-roundabout ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States
Kimball Ave. / Grand Mere Pkwy.
(39.20168, -96.63786)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.3931
Other (At-Grade)
Single-Lane
2000 Completed 3/2000. Built as part of new Colbert Hills Golf Course. Fatal crash January 31, 2010. 11861-05. Functional Class: Collector ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
Sunflower Park Rd / Inverness Dr
(38.93745, -95.29810)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
111.4785
Other (At-Grade)
Single-Lane
2001 Next to Sunflower Elementary School and Southwest Junior High School. Functional Class: Collector ICD estimated from Google Maps linework.
Greeley, CO
Weld Co.
United States
W. 16th St. / (unknown)
(40.41524, -104.85540)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.5542
Other (At-Grade)
Multilane (2 Lane)
2004 Part of 6 in vicinity. ICD estimated from Google Maps linework.
Hutchinson, KS
Reno Co.
United States
23rd Ave. / Severence St.
(38.07940, -97.91340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.7846
Other (At-Grade)
Single-Lane
2000 Near the state fairgrounds in Hutchinson Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Garnett, KS
Harvey Co.
United States
US 59 / US 169
(38.25832, -95.24861)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
46.8910
Other (At-Grade)
Single-Lane
2006 None. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Newton, KS
Harvey Co.
United States
Broadway St. / I-135 Ramps
(38.05000, -97.32250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.1441
Freeway Ramps (Grade-Separated)
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 ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States
Prairie Star Pkwy / Montecello Rd.
(38.95251, -94.84398)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.0123
Other (At-Grade)
Multilane (2 Lane)
2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Paola, KS
Miami Co.
United States
K-68 / Old Kansas City Rd. / Hedge Ln.
(38.62133, -94.85551)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
44.7895
Other (At-Grade)
Single-Lane
2001 First roundabout on rural, high-speed facility in Kansas. Functional Class: Arterial ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States
46th St. / US 75 Ramps
(39.12934, -95.71959)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
68.5587
Freeway Ramps (Grade-Separated)
Single-Lane
2002 Roundabout under structure as part of single-point interchange. Elliptical roundabout. Original intersection was at grade. Completed November 2002. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
46.7997
Other (At-Grade)
Single-Lane
2005 Mini-roundabout ICD estimated from Google Maps linework.
Quebec, QC
Capitale-Nationale Region
Canada
Rue de la Rive-Boisee N / Rue du Baumier
(46.83577, -71.32956)
Other
Existing
All-Way Yield
None
3 Approaches
0 Driveways
40.0000
Other (At-Grade)
Single-Lane
No splitter islands. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Mt. Washington Dr. / NW Skyliners Rd.
(44.05369, -121.35490)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.3425
Other (At-Grade)
Single-Lane
2005 Roundabout constructed with addition of south leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Shevlin Park Rd. / Newport Ave. / College Way
(44.06240, -121.33770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.6125
Other (At-Grade)
Single-Lane
2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Mt. Washington Dr. / Shevlin Park Rd.
(44.06780, -121.35530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.7584
Other (At-Grade)
Single-Lane
2000 South leg on Mt. Washington Drive added as part of new development. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW Mt. Washington Dr. / NW Crossing Dr.
(44.05890, -121.35670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.6144
Other (At-Grade)
Single-Lane
2000 Both roadways brand new as part of new development. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
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
57.9120
Other (At-Grade)
Single-Lane
2001 Roundabout sized for ultimate conversion to double lane.
Bend, OR
Deschutes Co.
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
30.9036
Other (At-Grade)
Single-Lane
2002 Driveways located between crosswalk and circulatory roadway on both sides of west leg. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW 14th St. / NW Galveston Ave.
(44.05660, -121.33180)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.8991
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NW 14th St. / Newport Ave.
(44.06230, -121.33170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
32.6126
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
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
32.6125
Other (At-Grade)
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. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
SW Terwilliger Blvd. / SW Palater Rd.
(45.45290, -122.67660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.1000
Other (At-Grade)
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.
Anchorage, AK
Anchorage
United States
Dowling Rd. / New Seward Hwy SB Ramps
(61.16636, -149.85780)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.1352
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2004 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States
Dowling Rd. / New Seward Hwy NB Ramps
(61.16637, -149.85520)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
38.0151
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
2004 Spiral striping. ICD estimated from Google Maps linework.
Culloden, GA
Monroe Co.
United States
SR 7-US 341 / SR 74
(32.87954, -84.09019)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.1175
Other (At-Grade)
Single-Lane
2008 Functional Class: Rural ICD estimated from Google Maps linework.
Bayfield, CO
La Plata Co.
United States
CR 501 / Bayfield Center Dr.
(37.23393, -107.60191)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.1480
Other (At-Grade)
Single-Lane
2001 Bayfield Center Drive is a new roadway. Completed Fall 2001.
Astoria, OR
Clatsop Co.
United States
US 101 / Hwy 202 (Nehalem Highway)
(46.18290, -123.86070)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.4797
Other (At-Grade)
Multilane (2 Lane)
2002 Opened September 2002. First multilane roundabout on Oregon state highway system. ICD estimated from Google Maps linework.
Monroe, WA
Snohomish Co.
United States
SR 522 EB Ramps / 164th St. SE / Tester Rd.
(47.84863, -122.00580)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
60.9143
Other (At-Grade)
Multilane (2 Lane)
2001 Completed August 2001. This project won the Washington State APWA 2001 Project of the Award and the ASCE Seattle Section 2001 Outstanding Project Award. The Project is documented in the Compendium of Papers for 2000 ITE District 6 Annual Meeting, San Diego, CA. Reconfiguration of two intersections into a roundabout. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States
Weyerhaeuser Way S / 33rd Pl S / 32nd Dr. S
(47.29863, -122.29280)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
35.6385
Other (At-Grade)
Multilane (2 Lane)
2000 Opened April 2000. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States
Sheridan Rd. / Rogers Rd.
(38.87200, -94.79430)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.7027
Other (At-Grade)
Multilane (2 Lane)
2000 ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States
Sheridan Rd. / Ridgeview Rd. / Dennis Ave.
(38.87270, -94.79730)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.3160
Other (At-Grade)
Single-Lane
2001 Completed April 2001. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States
Sheridan Rd. / Clairborne Rd.
(38.87020, -94.79250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.3168
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Parkville, MO
Platte Co.
United States
MO 45 (Tom Watson Pkwy.) / National Dr.
(39.21016, -94.70027)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.1210
Other (At-Grade)
Single-Lane
2000 Functional Class: Arterial ICD estimated from Google Maps linework.
Maplewood, MN
Ramsey Co.
United States
Kennard St. / Legacy Pkwy.
(45.03317, -93.03062)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.1373
Other (At-Grade)
Single-Lane
2004 Site has RT pavement arrows at entrance line. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
Aviano Way / (unknown)
(33.68941, -111.99350)
Rotary
Existing
All-Way Yield
None
0 Approaches
0 Driveways
79.4999
Other (At-Grade)
Single-Lane
Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework.
Lewisville, NC
Forsyth Co.
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
29.9191
Freeway Ramps (Grade-Separated)
Single-Lane
2000 Solved capacity problem. Previously controlled by one-way stop ICD estimated from Google Maps linework.
Clemmons, NC
Forsyth Co.
United States
Fraternity Church Rd. / Hope Church Rd.
(36.02653, -80.34301)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
28.0113
Other (At-Grade)
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 ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States
Ridgegate Pkwy. / Ridgegate Cir. / Commons St.
(39.53187, -104.88300)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.4267
Other (At-Grade)
Multilane (2 Lane)
2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States
Ridgegate Pkwy. / Ridgegate Cir. / Park Meadows Blvd.
(39.52945, -104.87450)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.3498
Other (At-Grade)
Multilane (2 Lane)
2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
S. Melon Ln. / W. Country Place Blvd.
(33.41839, -112.27850)
Roundabout
Existing
All-Way Yield
None
2 Approaches
2 Driveways
23.9249
Other (At-Grade)
Single-Lane
2004 Painted splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States
Monterey Way / Peterson Rd.
(38.98607, -95.28841)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.8505
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States
Wanamaker Rd. / SW 6th Ave.
(39.05662, -95.76134)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.7180
Other (At-Grade)
Single-Lane
2004 Intersection expanded for new development. Previously T with 6th controlled by stop sign. Previously controlled by one-way stop ICD estimated from Google Maps linework.