30012 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
Stirling, Scotland
Stirling
United Kingdom
Bannockburn Interchange: M9 Ramps / A872 / A91
(56.07740, -3.91973)
Rotary
Existing
All-Way Yield
None
6 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
Keir, Scotland
Stirling
United Kingdom
Keir Roundabout: M9 / A9 / B824 / Stirling Rd.
(56.17025, -3.97029)
Rotary
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
South Ruislip, England
Greater London
United Kingdom
Polish War Memorial: A40 (Western Ave.) Ramps / A4180 (West End Rd.)
(51.54826, -0.39929)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
Moss Bridge, England
Blackburn With Darwen
United Kingdom
Earcroft Interchange: M65 Ramps / A666 (Earcroft Way) / /Paul Rink Way / Mary Leaver Way
(53.71651, -2.47915)
Signalized Roundabout/Circle
Existing
Signal
Unknown
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
Guide, England
Blackburn With Darwen
United Kingdom
Guide Interchange: M65 Ramps / A6077 (Haslingden Rd.) / B6232 (Haslingden Rd.)
(53.72526, -2.44594)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
Green, OH
Summit Co.
United States
Massillon Rd. / Thorn Dr. / Corporate Woods Cir.
(40.96083, -81.46530)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2023 https://www.cityofgreen.org/CivicAlerts.aspx?AID=383&ARC=713
Sherbrooke, QC
Sherbrooke
Canada
Rue Terrill / Rue des Grandes-Fourches N
(45.40783, -71.89476)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2023 Previous control type was a grade-separated interchange. https://www.sherbrookerecord.com/new-grandes-fourches-bridge-opens-in-sherbrooke/
Karlshamn, Blekinge County
Karlshamns kommun
Sweden
Jannebergsvägen / E22 WB Ramps / Nyemöllevägen / Strömmavägen
(56.18932, 14.84661)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2008 Concentric striped circulatory roadway. Completed in 2008 or earlier.
Karlskrona, Blekinge County
Karlskrona kommun
Sweden
Ronnebyvägen / Lyckebyvägen
(56.19572, 15.61253)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2008 Completed in 2008 or earlier.
Karlskrona, Blekinge County
Karlskrona kommun
Sweden
Ubåtsrondellen: Rte 28 / Lyckebyvägen
(56.20337, 15.63958)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
68.5800
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2008 Concentric striped circulatory roadway. Completed in 2008 or earlier.
Tumwater, WA
Thurston Co.
United States
Capitol Blvd. SW / Trosper Rd. SE
(46.99995, -122.90887)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://www.facebook.com/cityoftumwater/videos/roundabouts/851059580420485/
Rathdrum, ID
Kootenai Co.
United States
N Meyer Rd. / W Boekel Rd.
(47.80285, -116.87229)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
42.6720
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024
Kirkland, WA
King Co.
United States
NE 132nd St. / 116th Way NE / I-405 SB Exit Ramp / 114th Pl. NE
(47.71843, -122.18834)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
5 Approaches
0 Driveways
42.6720
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2024 https://wsdot.wa.gov/construction-planning/search-projects/i-405northeast-132nd-street-interchange-project
Crown Point, IN
Lake Co.
United States
US 231 / Saint Francis Dr.
(41.38987, -87.31972)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2023 Roundabout serves hospital. Year Completed estimated (2023-2024).
El Paso, TX
El Paso Co.
United States
Pebble Hills Blvd. / Mike Price Dr.
(31.78375, -106.20822)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2016
Horizon City, TX
El Paso Co.
United States
Town Center Dr. / Horizon Crossing St.
(31.67829, -106.20606)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2019 Year Completed estimated (2018-2019).
Smiths Grove, KY
Warren Co.
United States
KY 101 (Smiths Grove-Scottsville Rd.) / (parking)
(37.03988, -86.21051)
Roundabout
Existing
All-Way Yield
None
3 Approaches
1 Driveways
44.1960
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Right-turn bypass lane on north leg. Double left turn on west leg. https://www.wnky.com/kytc-announces-smiths-grove-road-projects-near-buc-ees/
Fishers, IN
Hamilton Co.
United States
E 96th St. / Allisonville Rd.
(39.92704, -86.06626)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Replaced intersection that used "Michigan Lefts" on the border between Fishers in Hamilton County and Indianapolis in Marion County. Fully open in late October 2024. https://fishersin.gov/next-chapter/allisonville-road-corridor-revitalization/96th-st-allisonville-rd-roundabout/
Tumalo, OR
Deschutes Co.
United States
US 20 / O.B. Riley Rd. / Cook Ave.
(44.14548, -121.33124)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2023 https://www.youtube.com/watch?v=d52_QDGjjIE
Bossier City, LA
Bossier Par.
United States
Walter O. Bigby Carriageway / Hamilton Rd.
(32.52940, -93.72630)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://www.shreveporttimes.com/story/news/local/2024/10/01/walter-o-bigby-carriageway-opens-in-bossier-city/75455416007/
Bossier City, LA
Bossier Par.
United States
Walter O. Bigby Carriageway / Shed Rd.
(32.53213, -93.72376)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://www.shreveporttimes.com/story/news/local/2024/10/01/walter-o-bigby-carriageway-opens-in-bossier-city/75455416007/
San Juan, San Juan
Oriente Barrio
Puerto Rico
Calle A (Marginal Rd.) / Hwy 17 EB Entrance Ramp
(18.40897, -66.02947)
Roundabout
Existing
All-Way Yield
None
2 Approaches
0 Driveways
44.0000
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2014 Concentric striped circulatory roadway.
St Thomas, ON
Elgin
Canada
Hwy 3 (St. Thomas Expressway / Heritage Hwy.) / Centennial Ave.
(42.78906, -81.14742)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://www.youtube.com/watch?v=sH0wZd962xw
Hilliard, OH
Franklin Co.
United States
Scioto Darby Rd. / Cosgray Rd.
(40.03280, -83.17834)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://x.com/HilliardGov/status/1844542579636830394
Lebanon, IN
Boone Co.
United States
W 300 N / Witt Rd.
(40.08342, -86.49589)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Gateway to Lilly Medicine Foundry campus.
Florence, AZ
Pinal Co.
United States
SR 287 / SR 79 Business (Main St.)
(33.01978, -111.38809)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
3 Approaches
1 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Replaced channelized at-grade interchange. https://azdot.gov/projects/southcentral-district-projects/state-route-28779b-roundabout-florence
St Thomas, ON
Elgin
Canada
Hwy 30 (Highbury Ave.) / Ron McNeil Line
(42.81099, -81.15033)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://www.youtube.com/watch?v=hiwMT6hxZi0
Warrington, England

United Kingdom
Whittle Avenue Roundabout: A5281 (Whittle Ave. / Burtonwood Rd.) / Whittle Ave. / Westbrook Way / Fortress Blvd.
(53.40726, -2.64444)
Rotary
Existing
All-Way Yield
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Wigan, England

United Kingdom
A49 (Warrington Rd.) / B5238 (Poolstock Ln.)
(53.52299, -2.65304)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2016 Year Removed estimated (2015-2016). Replaced with signalized intersection.
Canmore, AB
Division 15
Canada
Hwy 742 (Three Sisters Pkwy. / Three Sisters Blvd.) / Three Sisters Pkwy. / Cascade Dr
(51.05388, -115.31872)
Roundabout
Existing
All-Way Yield
Unknown
5 Approaches
0 Driveways
60.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Turbo roundabout. https://www.facebook.com/photo/?fbid=989457589882971&set=good-eveningwe-are-making-final-adjustments-to-the-operations-of-the-vehicle-tra
Fort Myers, FL
Lee Co.
United States
Challenger Blvd. / Winkler Ave.
(26.60345, -81.81848)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 https://www.facebook.com/reel/491957097276063
(unincorporated), TX
Fort Bend Co.
United States
Tamarron Pkwy. / Jordan Ranch Blvd.
(29.73263, -95.90115)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
53.3400
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2025
McCalla, AL
Jefferson Co.
United States
4th Ave. SW (Old Tuscaloosa Hwy.) / Lowetown Rd.
(33.29639, -87.06038)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
76.2000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2025 Turbo roundabout. https://www.wbrc.com/2025/02/05/jefferson-county-welcomes-nations-3rd-turbo-roundabout/
Birmingham, AL
Jefferson Co.
United States
Liberty Pkwy. / (parking)
(33.47619, -86.70359)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
60.9600
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2018
Cambridge, ON
Wellington
Canada
Hespeler Rd. / Kossuth Rd. / CR 124 / (unknown)
(43.47206, -80.30539)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
58.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2019 Year Completed estimated (2018-2019).
Brodheadsville, PA
Monroe Co.
United States
US 209 / SR 115 / Rodenbach Ln.
(40.92314, -75.39917)
Roundabout
Existing
All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB)
4 Approaches
0 Driveways
0.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024
Hemel Hempstead, England
Herts
United Kingdom
A414 (Saint Albans Rd.) / Jarman Way
(51.74980, -0.45562)
Roundabout
Existing
All-Way Yield
Unknown
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Through bypass lane on west leg.
Hemel Hempstead, England
Herts
United Kingdom
A4146 (Leighton Buzzard Rd.) / Queensway / Warners End Rd.
(51.75713, -0.47560)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Left-turn-only lanes on all legs.
Atlanta, GA
DeKalb Co.
United States
Maynard Terrace SE / McPherson Ave. / I-20 EB Exit Ramp
(33.74396, -84.33482)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
41.1480
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2025
Falun, Dalarna County
Falu kommun
Sweden
Gruvrondellen: E16 / Gruvgatan
(60.60195, 15.62015)
Roundabout
Existing
All-Way Yield
None
4 Approaches
1 Driveways
65.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2010 Completed before 2010.
Falun, Dalarna County
Falu kommun
Sweden
Gruvgatan / Hyttgatan
(60.60352, 15.62607)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006 Completed before 2006.
Falun, Dalarna County
Falu kommun
Sweden
Gruvgatan / Engelbrektsgatan
(60.60416, 15.62822)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9080
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2010 Constructed before 2010.
Falun, Dalarna County
Falu kommun
Sweden
Korsnäsvägen / Kungsgårdsvägen
(60.59940, 15.66827)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
51.8160
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2006 Completed before 2006.
Brant, ON
Brant
Canada
Rest Acres Rd. / Hutchings Rd.
(43.16711, -80.37922)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
62.0000
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Right-turn-only lane and three-lane pedestrian crossing on south leg.
Memphis, TN
Shelby Co.
United States
US 70 (W Eh Crump Blvd.) / Riverside Dr / I-55 Ramps / W Alston Ave.
(35.12483, -90.06723)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only)
5 Approaches
0 Driveways
73.1520
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2025 Replaced three-quadrant cloverleaf interchange. At-grade rail crossing 430 ft to the east. https://www.youtube.com/watch?v=7DjkNBuVjlo
McKinney, TX
Collin Co.
United States
Wilmeth Rd. / Lake Forest Dr.
(33.23242, -96.67934)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
50.2920
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2025
McKinney, TX
Collin Co.
United States
Wilmeth Rd. / Hardin Blvd.
(33.23223, -96.65209)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
56.3880
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2025
Hurricane, UT
Washington Co.
United States
S Sand Hollow Rd. / Gateway Blvd.
(37.16339, -113.37305)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
82.2960
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2025 Add-lane right-turn bypass lane on north leg. Merging right-turn bypass lane on west leg.
Johnstown, CO
Weld Co.
United States
SH 60 / Gateway Cir.
(40.33527, -104.98559)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
59.4360
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2024 Primary access to large travel and fuel center. Year Completed estimated (2023-2024).
Long Beach, CA
Los Angeles Co.
United States
Los Alamitos Circle (Hwy. 1 / Lakewood Blvd. / Los Coyotes Diagonal)
(33.78989, -118.14250)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
137.1597
Other (At-Grade)
Multilane (2 Lane, unspecified)
1993 Traffic circle conversion. Modified in 2020 to reduce lanes. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Hualapai Way
(36.17850, -115.31770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
70.1040
Other (At-Grade)
Multilane (2 Lane, unspecified)
1990 Completed March 1990. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. ICD estimated from Google Maps linework. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Village Center Cir. / Library Hills Dr.
(36.18960, -115.30360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
91.4400
Other (At-Grade)
Multilane (2 Lane, unspecified)
1990 Completed March 1990. Modified 2010 to reduce lane configuration. 21442
Vail, CO
Eagle Co.
United States
Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd.
(39.64477, -106.37770)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
36.5760
Other (At-Grade)
Multilane (2 Lane, unspecified)
1995 Raindrop-shaped central island.
Towson, MD
Baltimore Co.
United States
MD 45 / MD 146 / Joppa Rd. / Allegheny Ave.
(39.40185, -76.60230)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
47.9892
Other (At-Grade)
Multilane (2 Lane, unspecified)
1998 Opened October 1998. Exit striping retrofitted to roundabout after opening. Hotdog/racetrack shape. ICD estimated from Google Maps linework. 21442
West Palm Beach, FL
Palm Beach Co.
United States
S. Quadrille Blvd. (El Campeon Blvd.) / Fern St.
(26.71040, -80.05505)
Roundabout
Removed
All-Way Yield
Unknown
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Multilane (2 Lane, unspecified)
1997 Replaced with TWSC 1995-1999; signalized in 2019.
Daytona Beach, FL
Volusia Co.
United States
Seabreeze Circle (Seabreeze Bridge / Mason Ave. / Ballough Dr.)
(29.22941, -81.02484)
Rotary
Removed
All-Way Yield
Unknown
0 Approaches
0 Driveways
42.7326
Other (At-Grade)
Multilane (2 Lane, unspecified)
1997 Replaced with construction of new Seabreeze Bridge. Year Completed estimated (1995-1999). ICD estimated from Google Maps linework.
Addison, TX
Dallas Co.
United States
Addison Cir. / Quorum Dr.
(32.96138, -96.82592)
Other
Existing
Unknown
Unknown
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
1997 .
Sarasota, FL
Sarasota Co.
United States
St. Armands Circle: SR 780 / Boulevard of the Presidents / John Ringling Blvd.
(27.31842, -82.57722)
Other
Existing
Other
None
5 Approaches
0 Driveways
128.0157
Other (At-Grade)
Multilane (2 Lane, unspecified)
Pedestrian access to central island; parking along circulatory roadway. Shopping district. Completed 1940?
Hollywood, FL
Broward Co.
United States
Hollywood Blvd. / Rainbow Dr.
(26.01050, -80.18360)
Other
Existing
One-Way/Two-Way Stop
None
4 Approaches
0 Driveways
274.3200
Other (At-Grade)
Multilane (2 Lane, unspecified)
Uncontrolled mainline, stop-control on side street. Building and parking in central island.
Hollywood, FL
Broward Co.
United States
Hollywood Blvd. / 26th Ave.
(26.01110, -80.15920)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
200.7172
Other (At-Grade)
Multilane (2 Lane, unspecified)
Signal access to parking and building in center of circle. ICD estimated from Google Maps linework.
Hollywood, FL
Broward Co.
United States
Hollywood Blvd. / S. Federal Hwy. (US 1) / Harrison St. / Tyler St.
(26.01150, -80.14300)
Signalized Roundabout/Circle
Existing
Signal
None
7 Approaches
0 Driveways
70.8411
Other (At-Grade)
Multilane (2 Lane, unspecified)
Signalized access, parking area in central island. ICD estimated from Google Maps linework.
Stuart, FL
Martin Co.
United States
S. Dixie Hwy / SR 76 / SR A1A
(27.19767, -80.25266)
Other
Existing
Other
None
0 Approaches
0 Driveways
26.5569
Other (At-Grade)
Multilane (2 Lane, unspecified)
Railroad crossing next to circle. ICD estimated from Google Maps linework.
Annapolis, MD
Anne Arundel Co.
United States
Gateway Circle [MD 450 (West St.) / Taylor Ave. / Spa Rd.]
(38.97630, -76.50486)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Elliptical shaped. ICD = 180 ft x 160 ft. Opened December 1999.
Santa Barbara, CA
Santa Barbara Co.
United States
Milpas St. / US 101 NB Ramps / Carpinteria St.
(34.42073, -119.67765)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
62.4840
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 Oblong shaped. ICD = 250 ft x 125 ft. Completed April 2000. Experienced one single-vehicle fatality (date unknown). 11861-05.
Lutherville-Timonium, MD
Baltimore Co.
United States
MD 139 (Charles St.) / Bellona Ave.
(39.41790, -76.62900)
Roundabout
Removed
All-Way Yield
None
4 Approaches
0 Driveways
28.9560
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Two-lane circulatory roadway across northern half.
Washington, DC
N/A Co.
United States
Dupont Circle (Mass Ave. / Conn. Ave. / New Hampshire Ave.19th St. / P St.)
(38.90965, -77.04344)
Signalized Roundabout/Circle
Existing
Signal
None
10 Approaches
0 Driveways
137.5441
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
Washington, DC
N/A Co.
United States
Washington Circle (Penn. Ave. / New Hampshire Ave. / 23rd St. / K St.)
(38.90252, -77.05010)
Signalized Roundabout/Circle
Existing
Signal
None
8 Approaches
0 Driveways
119.8984
Other (At-Grade)
Multilane (2 Lane, unspecified)
ICD estimated from Google Maps linework.
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
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
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.
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.
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
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).
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
Phoenix, AZ
Maricopa Co.
United States
E. Cotton Center Blvd. / S. 44th Pl.
(33.40279, -111.98790)
Other
Existing
Unknown
Unknown
0 Approaches
0 Driveways
163.5163
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
Pointe Pkwy. / S 48th St.
(33.37162, -111.97410)
Roundabout
Existing
All-Way Yield
Unknown
4 Approaches
0 Driveways
39.6240
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000
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, unspecified)
2002 Functional Class: Arterial ICD estimated from Google Maps linework.
Fort Worth, TX
Tarrant Co.
United States
Bluebonnet Circle [W Biddson St. / Park Ridge Blvd. / S University Dr.]
(32.69902, -97.36044)
Other
Existing
Unknown
Unknown
6 Approaches
0 Driveways
141.7320
Other (At-Grade)
Multilane (2 Lane, unspecified)
1929 .
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, unspecified)
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, unspecified)
2004 Spiral striping. ICD estimated from Google Maps linework.
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, unspecified)
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, unspecified)
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, unspecified)
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, unspecified)
2000 ICD estimated from Google Maps linework.
Park City, UT
Summit Co.
United States
Rte 224 (Deer Valley Drive) / Heber Avenue / Marsac Avenue
(40.64572, -111.49500)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
46.2161
Other (At-Grade)
Multilane (2 Lane, unspecified)
2000 See: www.Roundaboutsusa.com Information as reported in Salt Lake Tribune article: http://www.sltrib.com/2000/Sep/09142000/utah/22072.htm Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Ridgeland, MS
Madison Co.
United States
Old Agency Rd / Highland Colony Pkwy
(32.43125, -90.14893)
Roundabout
Existing
Unknown
Unknown
4 Approaches
0 Driveways
47.3786
Other (At-Grade)
Multilane (2 Lane, unspecified)
2004 Planned in association with interchange improvements at I-55/Old Agency Rd. Functional Class: Collector 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, unspecified)
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, unspecified)
2006 Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Town Center Dr. / Canyon Run Dr. / Banburry Cross Dr.
(36.18080, -115.31370)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, unspecified)
1995 Completed March 1995. Modified 2003 to reduce from three-lane entries to two-lane entries with add-lane right-turn bypasses on all legs. 21442
Las Vegas (Summerlin), NV
Clark Co.
United States
Desert Primrose Ln. / Desert Marigold Ln. / Blue Willow Ln.
(36.14060, -115.32090)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
40.5093
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Desert Primrose Ln. / Spotted Leaf Ln. / Pavillion Center Dr.
(36.14070, -115.33120)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.4737
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Functional Class: Collector ICD estimated from Google Maps linework.
Las Vegas (Summerlin), NV
Clark Co.
United States
Havenwood Ave. / Spotted Leaf Ln. / Golden Willow
(36.13300, -115.33040)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
37.6194
Other (At-Grade)
Multilane (2 Lane, unspecified)
1999 Functional Class: Collector ICD estimated from Google Maps linework.