28735 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
Bend, OR
Deschutes Co.
United States
SW Reed Market Dr. / Mt. Bachelor Dr.
(44.03830, -121.33340)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.2015
Other (At-Grade)
Single-Lane
2002 Fourth leg was built with completion of new bridge over Deschutes River. ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States
Sylvan Ave. / Millbrook Ave.
(37.68898, -120.93520)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.3658
Other (At-Grade)
Multilane (2 Lane, unspecified)
2006 Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States
W. 8th Ave. / Magnolia Ave.
(39.74451, -121.85270)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.7130
Other (At-Grade)
Single-Lane
2005 Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
Rigden Pkwy. / Custer Dr.
(40.54863, -105.02960)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.9307
Other (At-Grade)
Single-Lane
2001 Date estimated. Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
Stanton Creek Dr. / St. Thomas Dr.
(40.49066, -105.05590)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
24.5241
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
E. 13th St. / N. Denver Ave.
(40.40520, -105.04480)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.7445
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
Silverwood Dr. / Centennial Rd.
(40.54545, -105.05120)
Traffic Calming Circle
Removed
All-Way Yield
None
4 Approaches
0 Driveways
31.7646
Other (At-Grade)
Single-Lane
Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr.
(40.53008, -105.05420)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
25.4175
Other (At-Grade)
Single-Lane
Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Bennett Creek Ave. / Bennett Creek Rd.
(39.32223, -77.35181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.2613
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Pine Manor Dr. / Stoneglen Dr.
(38.96827, -104.76670)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
26.9289
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States
Chopper Cir. / VIP Parking / 9th St. / Access Rd
(39.74721, -105.00810)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
52.3424
Other (At-Grade)
Single-Lane
1999 Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
MD 355 / Sugarloaf Pkwy.
(39.32862, -77.35193)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.8013
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Windjammer Dr. / Brigantine Dr.
(38.95401, -104.77020)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
32.5070
Other (At-Grade)
Single-Lane
1995 ICD estimated from Google Maps linework.
Oshkosh, WI
Winnebago Co.
United States
CTH E (Witzel Ave.) / Washburn St.
(44.01808, -88.58321)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2010 Opened September 24, 2010.
Urbana, MD
Frederick Co.
United States
MD 355 / Sprigg St.
(39.33070, -77.35654)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.4954
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Bush Creek Dr. / Major Smith Ln.
(39.33507, -77.35263)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.6364
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States
Santa Fe Dr. / Devonshire Dr. / Rubenstein Ave.
(33.03622, -117.28590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.0272
Other (At-Grade)
Single-Lane
2004 Site of solo fatal crash in 2007, DUI .29%. http://www.nctimes.com/articles/2007/10/09/news/coastal/2_03_3710_8_07.txt. 11861-05. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
Cuerto Ln. / (unknown)
(40.57718, -105.13330)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
26.3067
Other (At-Grade)
Single-Lane
2005 Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
Tierra Ln. / Saddle Ridge Condominiums
(40.57545, -105.13140)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
28.1217
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States
College Ave. / Laporte Ave.
(40.58899, -105.07720)
Other
Removed
Unknown
Unknown
4 Approaches
0 Driveways
26.3021
Other (At-Grade)
Multilane (2 Lane, unspecified)
Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
Glen Isle Dr. / Glendale Dr.
(40.43433, -105.11460)
Other
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
27.4320
Other (At-Grade)
Single-Lane
1995 No splitter islands on side street.
Loveland, CO
Larimer Co.
United States
Glen Isle Dr. / Buckingham Cir.
(40.43580, -105.10680)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
64.5421
Other (At-Grade)
Single-Lane
1997 Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
Seven Lakes Dr. / Horseshoe Dr.
(40.42844, -105.05100)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
20.0011
Other (At-Grade)
Single-Lane
1996 Functional Class: Local ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Beech Ave. / 1st St.
(38.79048, -104.84660)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
42.8219
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Lake Ave. / Lake Cir.
(38.79144, -104.84880)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.2724
Other (At-Grade)
Single-Lane
1995 Year Completed estimated (before 1999). ICD estimated from Google Maps linework.
Williston, VT
Chittenden Co.
United States
Maple Tree Pl. / Sycamore Dr.
(44.44349, -73.10966)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.1697
Other (At-Grade)
Single-Lane
2001 Completed November 2001. Major shopping area, road part of the planned ring road around Taft Corner. Functional Class: Local ICD estimated from Google Maps linework.
Erwin, NY
Steuben Co.
United States
Robert Dann Dr. / Science Center Rd.
(42.15936, -77.11082)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2001 Add-lane right-turn bypass lane on west leg.
San Antonio, TX
Bexar Co.
United States
Blanco Rd. / Fulton Ave.
(29.46156, -98.50787)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4317
Other (At-Grade)
Single-Lane
2007 .
Rochester Hills, MI
Oakland Co.
United States
Tienken Rd. / Sheldon Rd.
(42.69626, -83.12320)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.6224
Other (At-Grade)
Single-Lane
2001 Near Hart Middle School and Stoney Creek High School. Functional Class: Local ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
Marvin Rd. / Hawks Prairie Rd.
(47.08312, -122.78070)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.6509
Other (At-Grade)
Single-Lane
2002 Constructed September 14, 2002. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
College St. / 45th Ave.
(47.00710, -122.82310)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
39.0923
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 Completed November 6, 2002. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
SR 510 (Marvin Rd.) / Pacific Ave.
(47.03941, -122.76480)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.5572
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 Completed July 28, 2003. Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
Creekstone Dr. / Irving St.
(46.18894, -119.19640)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
33.0725
Other (At-Grade)
Single-Lane
2005 New roadway (Creekstone) connecting into existing subdivision stub-street (Irving) on south side and new subdivision on north side Functional Class: Collector ICD estimated from Google Maps linework.
Lacey, WA
Thurston Co.
United States
I-5 NB Off-Ramp / Galaxy Dr. / Quinault Dr.
(47.06127, -122.76890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.5438
Other (At-Grade)
Single-Lane
2000 Completed November 1, 2000. ICD estimated from Google Maps linework.
Sterling Heights, MI
Macomb Co.
United States
Van Dyke Ave. (M-53) / 18 1/2 Mile Rd.
(42.60148, -83.03119)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
76.2000
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2005 Completed June 2005.
Abita Springs, LA
St. Tammany Par.
United States
LA 59 / LA 36
(30.47826, -90.03768)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.8204
Other (At-Grade)
Single-Lane
2007 https://www.nola.com/news/traffic/article_6d2b5475-b7f9-5429-a8f7-2127046c5508.html ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
19th Ave. / Union St.
(46.19220, -119.18040)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.2832
Other (At-Grade)
Single-Lane
2003 1/3 mile from school, primary bus and traffic route for the school, on school walking route, has adult crossing guards. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
4th Ave. / Union St.
(46.20640, -119.18010)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.4496
Other (At-Grade)
Single-Lane
2003 Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
Kennewick Ave. / Union St.
(46.20983, -119.18000)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.1420
Other (At-Grade)
Single-Lane
2003 Completed October 2003. Functional Class: Collector ICD estimated from Google Maps linework.
Chico, CA
Butte Co.
United States
W. 8th Ave. / Greenwich Dr.
(39.73875, -121.86640)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.7968
Other (At-Grade)
Single-Lane
2005 Functional Class: Local ICD estimated from Google Maps linework.
West Bend, WI
Washington Co.
United States
Paradise Dr. / CTH G
(43.39770, -88.16100)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.5053
Other (At-Grade)
Single-Lane
2003 Completed September 18, 2003 Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States
Bridle Oaks Dr. / Woodmont Dr.
(39.01377, -104.79950)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
64.0311
Other (At-Grade)
Single-Lane
2005 ICD estimated from Google Maps linework.
Urbana, MD
Frederick Co.
United States
Sugarloaf Pkwy. / Denison St.
(39.33490, -77.34180)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
36.9503
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 ICD estimated from Google Maps linework.
La Quinta, CA
Riverside Co.
United States
Jefferson St. / Avenue 52
(33.67096, -116.26870)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.6860
Other (At-Grade)
Multilane (2 Lane, unspecified)
2001 RT bypass lanes on all legs. ICD estimated from Google Maps linework.
San Francisco, CA
San Francisco Co.
United States
Waller St. / Steiner St.
(37.77097, -122.43190)
Traffic Calming Circle
Existing
All-Way Stop
None
4 Approaches
0 Driveways
66.0853
Other (At-Grade)
Single-Lane
2003 Preliminary layout for neighborhodd comment Functional Class: Local ICD estimated from Google Maps linework.
Sioux Falls, SD
Minnehaha Co.
United States
69th St. / Southeastern Ave.
(43.48928, -96.68768)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.7250
Other (At-Grade)
Multilane (2 Lane, unspecified)
2011 ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States
Leucadia Blvd / Hermes Ave
(33.06482, -117.30010)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
18.0164
Other (At-Grade)
Single-Lane
2004 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Normal, IL
McLean Co.
United States
Beaufort St. / North St.
(40.50929, -88.98440)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Single-Lane
2009 Both a traffic solution and centerpiece for significant downtown redevelopment. Pedestrian access to central island. Completed Fall 2009. https://www.landscapeperformance.org/case-study-briefs/uptown-normal-circle-and-streetscape
Amelia Island, FL
Nassau Co.
United States
SR A1A / Beach Lagoon Rd.
(30.55541, -81.44933)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2001 Elliptical shape. ICD = 125 ft x 105 ft. Year Completed estimated (1999-2003).
Mount Pleasant, SC
Charleston Co.
United States
Rifle Range Rd. / Bowman Rd. (Veterans Circle)
(32.80469, -79.84284)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
31.1197
Other (At-Grade)
Single-Lane
1998 Year Completed estimated (1994-2002) ICD estimated from Google Maps linework.
Encinitas, CA
San Diego Co.
United States
Leucadia Blvd / Hymettus Ave
(33.06470, -117.29620)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
21.0192
Other (At-Grade)
Single-Lane
2004 Previously controlled by two-way stop Functional Class: Collector 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. Roundabout is on tilted plane with central island plane steeper than inscribed circle plane to manage cross slopes. Northeast leg (Palater Road) has 8-9 percent grade down into roundabout, then flattens using a short vertical curve to a zero percent crown at the top of the circulatory roadway. Maximum grade through the roundabout is 4 percent; maximum cross slope is -2 percent. First roundabout under City of Portland jurisdiction.
The Villages, FL
Sumter Co.
United States
Morse Blvd. / Mariposa Way / Mission Hills Run
(28.91829, -81.96940)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
57.4974
Other (At-Grade)
Multilane (2 Lane, unspecified)
2003 ICD estimated from Google Maps linework.
Stafford Springs, CT
Tolland Co.
United States
Rte 32 / Rte 190
(41.95362, -72.30314)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.6523
Other (At-Grade)
Multilane (2 Lane, unspecified)
1890 Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
Happy Valley Rd. / I-17 NB Ramps
(33.71291, -112.11477)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
64.0077
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2020 Initially constructed 2002, revised 2005. Removed in 2020, replaced with diverging diamond interchange: https://www.youtube.com/watch?v=Xgcxmf9UYWw. https://azdot.gov/adot-blog/requiem-roundabouts-least-ones-happy-valley-road 21442
Clemmons, NC
Forsyth Co.
United States
Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout)
(36.07380, -80.39124)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9598
Other (At-Grade)
Single-Lane
2002 Built by developer. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Kings Ridge Blvd. / Franklin Dr.
(40.03237, -105.23960)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4342
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Maxwell Ave. / 6th St.
(40.02176, -105.28860)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
12.8046
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Pearl St. / 4th St.
(40.01571, -105.29050)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
20.1234
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Balsam Ave. / 14th St.
(40.02675, -105.27840)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
16.4619
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Balsam Ave. / 15th St.
(40.02675, -105.27660)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
8.2310
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Evergreen Ave. / 9th St.
(40.03106, -105.28560)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
16.4609
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Pine St. / 15th St.
(40.02072, -105.27670)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
16.4634
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Pine St. / 17th St.
(40.02126, -105.27410)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
10.9755
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Aspen, CO
Pitkin Co.
United States
SR 82 / Maroon Creek Rd. / Castle Creek Rd.
(39.19557, -106.84025)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000
Golden, CO
Jefferson Co.
United States
Jefferson County Pkwy. / Civic Center
(39.72717, -105.19940)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.9051
Other (At-Grade)
Single-Lane
2000 Feeds parking lot ICD estimated from Google Maps linework.
Columbine, CO
Jefferson Co.
United States
S. Simms St. / W. Quincy Ave.
(39.63865, -105.12860)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.0301
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 ICD estimated from Google Maps linework.
Northglenn, CO
Adams Co.
United States
Melody Dr. / Kennedy Dr.
(39.89222, -104.99270)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.6541
Other (At-Grade)
Single-Lane
1999 Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework.
Littleton, CO
Arapahoe Co.
United States
Elati St. / Arapahoe Rd.
(39.59515, -104.99770)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
11.0437
Other (At-Grade)
Single-Lane
Functional Class: Collector ICD estimated from Google Maps linework.
Littleton, CO
Arapahoe Co.
United States
Elati St. / Briarwood St.
(39.59236, -104.99770)
Traffic Calming Circle
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
5.5221
Other (At-Grade)
Single-Lane
Functional Class: Collector ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
Rocky Mountain Ave. / Foxtrail Dr.
(40.40924, -105.00230)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.9231
Other (At-Grade)
Multilane (2 Lane, unspecified)
1994 Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States
Rocky Mountain Ave. / McWhinney Blvd.
(40.41059, -105.00230)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
43.6504
Other (At-Grade)
Multilane (2 Lane, unspecified)
1994 Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Milwaukee, WI
Milwaukee Co.
United States
S. 6th St. / W. Virginia St. / Florida St.
(43.02698, -87.91770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.7816
Other (At-Grade)
Multilane (2 Lane, unspecified)
2002 Built as terminal of new bridge. Signal located downstream approximately 150-200 feet away (estimated) that queues back through roundabout during weekday p.m. peak. No lane designations on approach. Functional Class: Arterial ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States
12th Ave. / Irving St.
(46.19768, -119.19670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
42.9874
Other (At-Grade)
Single-Lane
2001 Functional Class: Collector ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States
Borgen Blvd. / 51st
(47.35959, -122.60640)
Roundabout
Existing
All-Way Yield
Active Pedestrian Warning (flashing yellow)
4 Approaches
0 Driveways
35.5974
Other (At-Grade)
Single-Lane
2002 In-pavement flashers in use on all crosswalks. Striped-out apron for future conversion to multilane. Opened September 2002. Functional Class: Arterial ICD estimated from Google Maps linework.
Gig Harbor, WA
Pierce Co.
United States
Borgen Blvd. / SR 16 SB Ramps
(47.35868, -122.61610)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.8342
Freeway Ramps (Grade-Separated)
Single-Lane
2004 Opened March 2004. ICD estimated from Google Maps linework.
Calabasas, CA
Los Angeles Co.
United States
Parkway Calabasas / Camino Portal
(34.13878, -118.65890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.6442
Other (At-Grade)
Single-Lane
2001 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Originally double-lane roundabout. Parkway Calabasas approaches tapered to single-lane in advance of entry by striping. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Johnson Rd. / 16th St.
(39.74207, -105.20060)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.6526
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Lunnonhaus Dr.
(39.74062, -105.19840)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0040
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Utah St.
(39.73919, -105.19620)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.8782
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States
S. Golden Rd. / Ulysses St.
(39.73771, -105.19390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
38.5734
Other (At-Grade)
Single-Lane
1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework.
Grand Junction, CO
Mesa Co.
United States
Horizon Dr. / 12th St.
(39.10165, -108.55234)
Roundabout
Existing
All-Way Yield
None
4 Approaches
1 Driveways
39.6240
Other (At-Grade)
Single-Lane
1998 Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout.
Howard, WI
Brown Co.
United States
Glendale Ave. / Hillcrest Heights
(44.56551, -88.09801)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.9305
Other (At-Grade)
Single-Lane
2008 Opened August 1, 2008. ICD estimated from Google Maps linework.
Lake Oswego, OR
Clackamas Co.
United States
SW Carman Dr. / SW Meadows Rd. / SW Quarry Rd.
(45.41700, -122.72490)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
29.3422
Other (At-Grade)
Single-Lane
2003 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
SW Colorado Ave. / SW Simpson St.
(44.04770, -121.32290)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.2050
Other (At-Grade)
Single-Lane
2001 ICD estimated from Google Maps linework.
Clearwater, FL
Pinellas Co.
United States
Mandalay Ave. / Acacia St.
(27.98970, -82.82660)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.4750
Other (At-Grade)
Single-Lane
2001 Boundary between commercial and residential area. Allows traffic attempting to park to use roundabout for U-turn without entering residential area. Also serves as U-turn for everyone, including WB-50 semis. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Charleston Shores Blvd.
(26.56520, -80.15560)
Roundabout
Existing
All-Way Yield
Active Pedestrian Warning (flashing yellow)
4 Approaches
0 Driveways
23.5012
Other (At-Grade)
Single-Lane
1998 ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Gateway Blvd. / Aberdeen Lakes Rd.
(26.54660, -80.16390)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
23.5051
Other (At-Grade)
Single-Lane
2000 Date estimated. ICD estimated from Google Maps linework.
Boynton Beach, FL
Palm Beach Co.
United States
Hagen Ranch Rd. / Le Chalet Blvd.
(26.55650, -80.15710)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
19.2298
Other (At-Grade)
Single-Lane
2000 Date estimated. ICD estimated from Google Maps linework.
Delray Beach, FL
Palm Beach Co.
United States
Lake Ida Rd. / Via Flora Dr.
(26.46919, -80.13670)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
24.5900
Other (At-Grade)
Single-Lane
1998 Fatal crash January 28, 2005. 11861-05. ICD estimated from Google Maps linework.
Amelia Island, FL
Nassau Co.
United States
SR A1A / Amelia Island Plantation
(30.55717, -81.45009)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.0040
Other (At-Grade)
Single-Lane
2001 Year Completed estimated (1999-2003).
Scottsdale, AZ
Maricopa Co.
United States
N 68th St. / E Cholla St.
(33.58949, -111.93552)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Single-Lane
2003 Completed with traffic calming project.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Ida Ave.
(39.61082, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
14.7216
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Powers Ave.
(39.61501, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.2005
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Dorado Ave.
(39.61319, -104.91350)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
9.2007
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Little Rock, AR
Pulaski Co.
United States
36th St. / Romine Rd. / West Rd.
(34.72098, -92.38181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.5782
Other (At-Grade)
Single-Lane
2001 Elementary school and church nearby. http://www.contextsensitivesolutions.org/content/case_studies/kentucky_roundabout/resources/kentucky_roundabout_pdf/ Functional Class: Arterial ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States
NE 8th St. / 9th St. / Franklin Ave.
(44.05600, -121.29380)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
31.7577
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Wisconsin Rapids, WI
Wood Co.
United States
STH 54 (2nd Ave.) / Gaynor Ave. / 17th Ave.
(44.38025, -89.84447)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.3874
Other (At-Grade)
Multilane (2 Lane, unspecified)
2004 Opened September 2004. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States
Grandview Dr. / 62nd Ct. W / Park Entrance
(47.20033, -122.56890)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.7785
Other (At-Grade)
Single-Lane
2000 Opened September 2000. ICD estimated from Google Maps linework.
University Place, WA
Pierce Co.
United States
Grandview Dr. / Bristonwood Dr. / 48th St. W
(47.21334, -122.56880)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9607
Other (At-Grade)
Single-Lane
2000 Opened September 2000. ICD estimated from Google Maps linework.