28605 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
Darmstadt, Hesse
Darmstadt
Germany
Arheilger Straße / Alsfelder Straße
(49.88661, 8.65898)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Trams through central island.
Ashton-under-Lyne, England
Greater Manchester
United Kingdom
A6140 (Lord Sheldon Way) / Fold Way / Pamir Dr.
(53.48776, -2.11409)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Tram through central island.
Bucharest, Bucharest

Romania
Piața Montreal [Bulevardul Mărăști / Bulevardul Expoziției]
(44.47505, 26.07079)
Signalized Roundabout/Circle
Existing
Signal
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Trams through central island.
Kirchenfeld-Schosshalde, Berne
Bern-Mittelland
Switzerland
Hauptstrasse 6 (Muristrasse - Ostring) / Hauptstrasse 10 (Thunstrasse) / Muristrasse / Kalcheggweg
(46.94177, 7.46637)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Trams through central island.
Vienna, Vienna
Vienna
Austria
Jägerstraße / Obere Augartenstraße / Klosterneuburger Straße / Wasnergasse
(48.22628, 16.37002)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
5 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Trams through central island.
Florence, Tuscany
Florence
Italy
Viale Pietro Nenni / Stradone dell'Ospedale / Via Tiziano
(43.76418, 11.19786)
Other
Existing
Other
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Peanut shaped. Tram crossing through central island with stop in central island and signalized pedestrian crossings in circulatory roadway.
Venice, Veneto
Venice
Italy
Via dell'Elettronica / Via Della Geologia
(45.43013, 12.22752)
Roundabout
Existing
All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling circulatory roadway only)
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Rail line through central island.
Ellicott City, MD
Howard Co.
United States
Snowden River Pkwy. / MD 100 WB Ramps
(39.21233, -76.79544)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
25.9105
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework.
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
Richland, WA
Benton Co.
United States
Steptoe Dr. / SR 240 EB Ramps / Columbia Park Trl.
(46.23893, -119.24546)
Roundabout
Existing
All-Way Yield
Metering Signal
5 Approaches
0 Driveways
49.5635
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
2007 5th leg is on-ramp to SR 240. Opened November 2007. Lane configuration reduced in 2016. Modified in 2018 to add metering signal. According to local news (link below) they started metering the traffic on the westbound Columbia Park Trail approach in 2018. It only turns on when traffic coming off the freeway gets backed up. https://97rockonline.com/tri-cities-roundabout-gets-new-metered-traffic-light-wait-what/ 21442
Carmel, IN
Hamilton Co.
United States
E 136th St. / Keystone Pkwy NB Ramps
(39.98598, -86.11404)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
38.1000
Freeway Ramps (Grade-Separated)
Single-Lane
2009 Part of tight diamond interchange with raindrop shape central island. Modified in 2016-2017 to add metering signals. Northbound ramp from Keystone Pkwy has a metering signal (PHB) that activates during peak hours when triggered by a long westbound queue. Eastbound approach has a metering signal (PHB) that activates during peak hours when triggered by a long northbound queue. 21442
Westmeadows, VIC

Australia
SR 39 (Mickleham Rd.) / SR 48 (Broadmeadows Rd.)
(-37.68142, 144.88380)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
70.0000
Other (At-Grade)
Multilane (2 Lane, unspecified)
Metering signals on south leg for AM peak and on east leg for PM peak. Bus queue bypass lanes and east leg metering signal added 2014.
Oakland, CA
Alameda Co.
United States
E 29th Ave. / E 9th St. / I-880 NB Onramp
(37.77536, -122.23293)
Roundabout
Existing
All-Way Yield
Metering Signal
2 Approaches
0 Driveways
0.0000
Freeway Ramps (Grade-Separated)
Single-Lane
2018 Ramp meter on south leg upstream of roundabout to meter freeway entrance ramp.
Auckland, Auckland
Auckland
New Zealand
Puhinui Rd. / Tom Pearce Dr. / Hape Dr.
(-37.00153, 174.80179)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Auckland, Auckland
Auckland
New Zealand
Tom Pearce Dr. / Jimmy Ward Crescent
(-36.99883, 174.80006)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Auckland, Auckland
Auckland
New Zealand
Main Hwy / Southern Motorway (SH 1) Ramps
(-36.90367, 174.81167)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Oval shaped.
Bendigo, VIC
Greater Bendigo
Australia
B280 (McIvor Rd.-Chapel St.) / C332 (Myers St.) / Lyttleton Terr.
(-36.75836, 144.28736)
Roundabout
Existing
All-Way Yield
Metering Signal
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Metering signal on northwest leg.
Carrara, QLD
Gold Coast
Australia
SR 90 (Nerang-Broadbeach Rd.) / SR 50 (Gooding Dr.) / SR 7 (Robina Pkwy.)
(-28.03254, 153.38609)
Rotary
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Diamond Beach, NSW
Mid-Coast
Australia
Diamond Beach Rd. / Diamond Dr. / Panorama Dr.
(-32.04335, 152.53462)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Monash, ACT

Australia
Drakeford Dr. / Isabella Dr. / Athllon Dr.
(-35.42379, 149.07827)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Part time signals.
Albion Park Rail, NSW
Shellharbour
Australia
M1 (Princes Motorway) / A1 (Princes Hwy.) / A48 (Illawarra Hwy.)
(-34.54914, 150.78531)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Part time signals.
Callaghan, NSW
Newcastle
Australia
University Dr. / (university entrance)
(-32.89687, 151.69744)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Dakabin, QLD
Moreton Bay
Australia
Old Gympie Rd. / Boundary Rd.
(-27.21186, 152.98758)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Parrearra, QLD
Sunshine Coast
Australia
Kawana Way / Kawana Island Blvd.
(-26.72097, 153.12332)
Roundabout
Existing
All-Way Yield
Metering Signal
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Dunmurry, N. Ireland
Belfast City
United Kingdom
Malone Roundabout [A55 (Malone Rd.) / B103 (Upper Malone Rd.) / Dorchester Park]
(54.55827, -5.95592)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Airport West, VIC
Moonee Valley
Australia
McNamara Ave. / Fullarton Rd. / SR 40 (Calder Freeway) EB Ramps
(-37.73234, 144.88068)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Single-Lane
Elliptical shaped. Metering signal installed 2006.
Melbourne, VIC
Kingston
Australia
SR 15 (Warrigal Rd.) / Como Parade
(-37.98813, 145.07025)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Metering signals installed 2009 separately for AM and PM peaks.
Dandenong South, VIC
Greater Dandenong
Australia
SR 12 (S Gippsland Hwy.) / Pound Rd.
(-38.02665, 145.24364)
Roundabout
Removed
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
2014 Roundabout metering signals on south leg in 2006 for PM peak. Roundabout removed 2014.
Kew, VIC
Boroondara
Australia
SR 21 (Princess St.) / Willsmere Rd. / Eglinton St. / Willis St. / Main Dr.
(-37.79910, 145.03025)
Roundabout
Existing
All-Way Yield
Metering Signal
6 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Metering signal on north leg. Pedestrian signal on south leg.
Barnsley, England
Barnsley
United Kingdom
Alhambra Roundabout [A628 (Harborough Hill Rd. - West Way) / A61 (Sheffield Rd.) / Wesley St.]
(53.55038, -1.47731)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Pedestrian tunnels under circulatory roadway through central island.
Badalona, Catalonia
Barcelona
Spain
Avenida de Pomar / Carretera de Pomar / Calle del Torrente de Vallmajor / Avenida de Sabadell / Carrer Masnou / Carrer Malgrat de Mar
(41.46580, 2.25316)
Roundabout
Existing
All-Way Yield
Metering Signal
7 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane, unspecified)
Bolton, England
Greater Manchester
United Kingdom
A6027 (De Havilland Way) / Burnden Way / The Parklands
(53.57853, -2.53591)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Sydney, NSW
Parramatta
Australia
Australia Ave. / Underwood Rd. / A3 (Homebush Bay Dr.) Ramps
(-33.85401, 151.07718)
Roundabout
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
https://www.smh.com.au/national/nsw/sydney-s-worst-roundabout-gets-100m-upgrade-work-won-t-start-for-three-years-20220426-p5ag6u.html
Blackeberg, Halland County
Falkenbergs kommun
Sweden
Rte 154 / Kilavägen
(56.92321, 12.50801)
Unknown
Existing
All-Way Yield
Metering Signal
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Single-Lane
2009 Completed fall 2009 or spring 2010.
(unincorporated), FL
Palm Beach Co.
United States
Lakes at Boca Raton / Cain Blvd.
(26.39603, -80.21160)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.3962
Other (At-Grade)
Single-Lane
1994 Completed November 1994. ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States
MD 94 / MD 144
(39.33700, -77.07360)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
30.4800
Other (At-Grade)
Single-Lane
1993 First roundabout in Maryland. Built initially as temporary, made permanent after one month.
Gainesville, FL
Alachua Co.
United States
SE 7th St. / SE 4th Ave.
(29.64824, -82.31792)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-Lane
1992 Pedestrian crossings within circulatory roadway. Completed April 1992.
Fort Walton Beach, FL
Okaloosa Co.
United States
Hollywood Blvd. / Doolittle Blvd.
(30.41364, -86.66468)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
29.8704
Other (At-Grade)
Single-Lane
1994
Tallahassee, FL
Leon Co.
United States
Killarney Way / Shamrock Dr.
(30.51361, -84.22315)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
27.7810
Other (At-Grade)
Single-Lane
1994 Completed August 1994. ICD estimated from Google Maps linework.
Bradenton Beach, FL
Manatee Co.
United States
SR 789 / Bridge St.
(27.46500, -82.69847)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
14.8361
Other (At-Grade)
Single-Lane
1994 Completed August 1994. ICD estimated from Google Maps linework.
Santa Barbara, CA
Santa Barbara Co.
United States
Alameda Padre Serra / Montecito St. / Salinas St. / Sycamore Canyon Rd.
(34.42903, -119.67720)
Roundabout
Existing
All-Way Yield
None
5 Approaches
1 Driveways
23.6427
Other (At-Grade)
Single-Lane
1992 Includes driveway into roundabout serving one home. ICD estimated from Google Maps linework.
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
Boca Raton, FL
Palm Beach Co.
United States
SW 18th St. / Juana Rd. (SW 12th Ave.)
(26.33206, -80.11059)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Single-Lane
Raised splitter islands on SW 18th St., painted splitter islands on Juana Rd.. Flashing warning beacon on eastbound SW 18th St. approach. Year Completed unknown (before 1985).
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.
Vail, CO
Eagle Co.
United States
Vail Rd. / I-70 EB Ramps / South Frontage Rd.
(39.64355, -106.37810)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
59.4360
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1995 Completed October 1995. Circular central island.
Lothian, MD
Anne Arundel Co.
United States
MD 2 / MD 408 / MD 422
(38.82973, -76.61590)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
28.8423
Other (At-Grade)
Single-Lane
1995 Completed October 1995. ICD estimated from Google Maps linework.
Elkton, MD
Cecil Co.
United States
MD 213 (Fair Hill Rd.) / Leeds Rd. / Elk Mill Rd. (Lanzi Circle)
(39.66364, -75.85529)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
34.0178
Other (At-Grade)
Single-Lane
1995 Previously controlled by two-way stop. Functional Class: Arterial ICD estimated from Google Maps linework.
Cearfoss, MD
Washington Co.
United States
MD 63 / MD 58 / MD 494 (Cearfoss Pike)
(39.70017, -77.77593)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
1995 Completed December 1995.
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
Naples, FL
Collier Co.
United States
8th St. S / 12th Ave. S
(26.13267, -81.79491)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.2281
Other (At-Grade)
Single-Lane
1996 Installed for community enhancement. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States
7th St. N. / 3rd Ave. N.
(26.15530, -81.80524)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
9.6483
Other (At-Grade)
Single-Lane
1998 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Maps linework.
Clovis, NM
Curry Co.
United States
Hwy 245 (Llano Estacado Blvd.) / Norris St.
(34.43384, -103.17830)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.3276
Other (At-Grade)
Single-Lane
2006 Completed February 27, 2006. Website: http://www.cityofclovis.org/roundabout/roundabout.htm ICD estimated from Google Maps linework.
Taneytown, MD
Carroll Co.
United States
MD 140 / MD 832 / Antrim Blvd.
(39.64809, -77.15468)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.1960
Other (At-Grade)
Single-Lane
1996 Completed August 1996. Curbs set for double lane, striped for single outer circulating lane.
Hilton Head, SC
Beaufort Co.
United States
Whooping Crane Way / Main St.
(32.21647, -80.72187)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
44.4598
Other (At-Grade)
Single-Lane
1996 Completed February 1996. ICD estimated from Google Maps linework.
Montpelier, VT
Washington Co.
United States
Keck Circle (Main St. / Spring St.)
(44.26283, -72.57178)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
25.6594
Other (At-Grade)
Single-Lane
1995 Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
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?
Sarasota, FL
Sarasota Co.
United States
South Gate Circle (Tuttle Ave. / Siesta Dr.)
(27.30536, -82.51414)
Other
Existing
All-Way Yield
None
4 Approaches
0 Driveways
120.9825
Other (At-Grade)
Unknown
Yield control on circulatory roadway. ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States
7th St. N. / 7th Ave. N.
(26.15619, -81.79971)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
22.5125
Other (At-Grade)
Single-Lane
1998 Installed for traffic calming. Detailed traffic volume, speed data available. Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Naples, FL
Collier Co.
United States
7th St. N. / 11th Ave. N.
(26.15712, -81.79420)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
13.7160
Other (At-Grade)
Single-Lane
1996 Installed for traffic calming. Painted splitter islands. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
Naples, FL
Collier Co.
United States
7th St. N. / 12th Ave. N.
(26.15734, -81.79282)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
13.7160
Other (At-Grade)
Single-Lane
1996 Installed for traffic calming. Detailed traffic volume, speed data available. ICD estimated from Google Earth.
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.
Modesto, CA
Stanislaus Co.
United States
Chandon Dr. / Calero Dr.
(37.67642, -120.93380)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
27.4132
Other (At-Grade)
Single-Lane
2002 ICD estimated from Google Maps linework.
Modesto, CA
Stanislaus Co.
United States
Bowen Ave. / Fremont Ave.
(37.67470, -121.00260)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
18.9061
Other (At-Grade)
Single-Lane
2002 Previously controlled by twsc 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.
Stuart, FL
Martin Co.
United States
N. Colorado Ave. / E. Osceola St.
(27.19860, -80.25300)
Traffic Calming Circle
Existing
All-Way Yield
None
4 Approaches
0 Driveways
32.9303
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Vail, CO
Eagle Co.
United States
Chamonix Rd. / I-70 WB Ramps / North Frontage Rd.
(39.62828, -106.42120)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
45.7200
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
1997
Vail, CO
Eagle Co.
United States
Chamonix Rd. / I-70 EB Ramps / South Frontage Rd.
(39.62753, -106.42020)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
45.7200
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max)
1997
Avon, CO
Eagle Co.
United States
Avon Rd. / I-70 EB Ramps
(39.63683, -106.52170)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
44.1960
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
1997 Highway ref. pt. 70-166.62. Raindrop shaped.
Avon, CO
Eagle Co.
United States
Avon Rd. / Beaver Creek Blvd.
(39.63528, -106.52220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
68.5800
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1997 Right-turn-only lane on north leg. Elliptical shaped. Skewed intersection. ICD = 225 ft x 160 ft.
Avon, CO
Eagle Co.
United States
Avon Rd. / Benchmark Rd.
(39.63425, -106.52220)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1997 Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. 21442
Avon, CO
Eagle Co.
United States
Avon Rd. / US 6
(39.63110, -106.52260)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
45.7200
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1997 Highway ref. pt. 6-170.04. Right-turn-only lane on east leg.
Nederland, CO
Boulder Co.
United States
SH 72 / SH 119 / 2nd St. / Bridge St.
(39.96261, -105.51030)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
23.8006
Other (At-Grade)
Single-Lane
1995 Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Tampa, FL
Hillsborough Co.
United States
North Blvd. / Country Club Dr.
(28.05466, -82.46759)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
14.7559
Other (At-Grade)
Single-Lane
1996 Completed June 1996. ICD estimated from Google Maps linework.
Winston-Salem, NC
Forsyth Co.
United States
Salem Rd. / Old Salem Rd. / S. Main St.
(36.08215, -80.24125)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
64.0080
Other (At-Grade)
Multilane (2 Lane, 2x1 max)
2005 TIP Project U-2926. Right-turn-only lanes on east and west legs.
Scottsdale, AZ
Maricopa Co.
United States
N. 64th St. / E. Lafayette Blvd.
(33.49474, -111.94330)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
21.9119
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Olmos Park, TX
Bexar Co.
United States
Olmos Dr. / El Prado Dr. / McCullough Ave.
(29.47094, -98.49162)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
32.0037
Other (At-Grade)
Single-Lane
1996 Completed July 1996.
Manchester, VT
Bennington Co.
United States
Rte. 7A / Equinox (Grand Union)
(43.17309, -73.06181)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.1304
Other (At-Grade)
Single-Lane
1997 Roundabout is in a retail/outlet district in a resort area. VT 7-A is posted as a Historic Highway and is the local business route, while the parallel US 7 is a two-lane, limited access bypass that carries through truck traffic. Previously controlled by two-way stop Functional Class: Collector 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.
De Pere, WI
Brown Co.
United States
Scheuring Rd. (CTH F) / US 41 NB Ramps
(44.43074, -88.10989)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
53.3400
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max)
2011 Series of 6 roundabouts. Yield-controlled right-turn bypass lane on south leg; merging right-turn bypass lane on east leg. Opened September 2011. Circular central island.
Acworth-Kennesaw, GA
Cobb Co.
United States
W Sandtown Rd. / Villa Rica Rd.
(33.92703, -84.63775)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.0520
Other (At-Grade)
Single-Lane
2008
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
770.9968
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States
Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
67.0560
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
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.
Cottonwood, AZ
Yavapai Co.
United States
AZ 89A / Verde Heights Dr.
(34.73999, -112.03740)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
54.8640
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2009 Series of 5 roundabouts.
Oshkosh, WI
Winnebago Co.
United States
CTH E (Witzel Ave.) / Koeller St.
(44.01805, -88.58098)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
48.7680
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
2010 Opened September 24, 2010.
Carlsbad, CA
San Diego Co.
United States
Legoland Dr. / Armada Dr.
(33.13229, -117.31660)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
41.1480
Other (At-Grade)
Multilane (2 Lane, 2x2 max)
1999 Unstriped circulatory roadway.
Phoenix, AZ
Maricopa Co.
United States
S. Pointe Pkwy. W / S. Pointe Pkwy. E
(33.37649, -111.97210)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
50.8650
Other (At-Grade)
Single-Lane
1994 Before 1997. ICD estimated from Google Maps linework.
Douglasville, GA
Douglas Co.
United States
SR 5 / SR 166
(33.61361, -84.83688)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.8602
Other (At-Grade)
Single-Lane
2007 Fatal crash November 24, 2011. 11861-05. ICD estimated from Google Maps linework.
(unincorporated), MD
Anne Arundel Co.
United States
Arundel Beach Rd. / Leelyn Dr.
(39.07955, -76.54560)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
25.9594
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Brunswick, MD
Frederick Co.
United States
MD 17 / A St. / B St. / Maryland Ave.
(39.31433, -77.62807)
Roundabout
Existing
All-Way Yield
None
5 Approaches
0 Driveways
42.5054
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States
Scheuring Rd. (CTH F) / US 41 SB Ramps
(44.43050, -88.11402)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
56.3880
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
2011 Series of 6 roundabouts. Opened September 2011.
Catonsville, MD
Baltimore Co.
United States
MD 372 / Hilltop Rd. / Entrance to UMBC
(39.25733, -76.71964)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
35.1417
Other (At-Grade)
Single-Lane
1998 Functional Class: Collector ICD estimated from Google Maps linework.
Lisbon, MD
Howard Co.
United States
MD 94 / Old Frederick Rd. (Lisbon North)
(39.34810, -77.06930)
Roundabout
Existing
All-Way Yield
None
4 Approaches
0 Driveways
26.7839
Other (At-Grade)
Single-Lane
1999 ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 103 / MD 100 WB Ramps
(39.20846, -76.78294)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
33.3154
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 103 / MD 100 EB Ramps
(39.20733, -76.78243)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
30.5396
Freeway Ramps (Grade-Separated)
Single-Lane
1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States
MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600)
Roundabout
Existing
All-Way Yield
None
3 Approaches
0 Driveways
45.7200
Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max)
1999