20124 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
Jarrow, England
South Tyneside
United Kingdom
A194 (Leam Ln. - Newcastle Rd.) / A1300 (John Reid Rd.) / Auckland Terrace
(54.96804, -1.46718)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
West Boldon, England
South Tyneside
United Kingdom
Testos Roundabout [A19 / A184 (Newcastle Rd.)]
(54.94179, -1.47398)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
In process of being replaced with interchange.
Team Valley Trading Estate, England
Gateshead
United Kingdom
B601 (Lobley Hill Rd.) / Kingsway North / Festival Park Dr.
(54.94285, -1.62551)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Bus bypass lane through central island.
Gambir, Jakarta
Central Jakarta
Indonesia
Jl. Medan Merdeka Sel. / Jl. Medan Merdeka Barat / Jl. M.H. Thamrin / Jl. Budi Kemuliaan
(-6.18062, 106.82293)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Tåstrup, Capital Region

Denmark
Sekundærrute 156 (Roskildevej) / Hveen Boulevard
(55.65663, 12.28285)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Kampung Mata-Mata, Brunei-Muara District

Brunei
Jalan Gadong / Jalan Industri Beribi
(4.89539, 114.90088)
Signalized Roundabout/Circle
Existing
Signal
None
3 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Pontianak Tenggara, West Kalimantan
Kota Pontianak
Indonesia
Jalan Jenderal Achmad Yani / Jalan Daya Nasional / Jalan Prof Dr H Hadari Nawawi
(-0.05529, 109.34948)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
West Central District, Tainan City
Tainan City
Taiwan
Dongmen Rd. / Fuqian Rd. / Beimen Rd. / Datong Rd. / Minquan Rd.
(22.98893, 120.21140)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Swords, Co Dublin

Ireland
Airport Roundabout [R132 (Swords Rd. - Dublin Rd.) / Corballis Rd. South / (M1 connector)]
(53.42826, -6.22964)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Swords, Co Dublin

Ireland
Cloghran Roundabout [R132 (Dublin Rd.) / Naul Rd. / Stockhole Ln.]
(53.43407, -6.22872)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Fingal, Co Dublin

Ireland
Malahide Road Roundabout [R132 / R106 (Malahide Rd.) / Drynam Rd.]
(53.45404, -6.21437)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Inverness, Scotland
Highland
United Kingdom
A9 / A82 (Longman Rd.) / Stadium Rd.
(57.49173, -4.21505)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Namgu, Ulsan

South Korea
Munsu-ro / Samsan-ro / Duwang-ro / Suam-ro
(35.53227, 129.30753)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Horsforth, England
Leeds
United Kingdom
A65 (Rawdon Rd. - New Road Side) / A6120 (Broadway)
(53.83471, -1.65147)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Kirkleatham, England
North Yorkshire
United Kingdom
A174 / A1042 / Southway
(54.58306, -1.08839)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Lazenby, England
North Yorkshire
United Kingdom
Greystones Roundabout [A174 / A1053 (Greystone Rd.) / B1380 (High St.)]
(54.56590, -1.12257)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Søborg, Capital Region

Denmark
Primærrute 03 (Gladsaxe Ringvej - Buddingevej) / Buddinge Hovedgade / Søborg Hovedgade
(55.74263, 12.49371)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Bangor, N. Ireland
North Down & Ards
United Kingdom
Gransha Road Roundabout [A2 (East Circular Rd.) / Gransha Rd.]
(54.65019, -5.65149)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (2 Lane)
Stepps, Scotland
North Lanarkshire
United Kingdom
Crowwood Roundabout [A80 (Cumbernauld Rd.) / A806 / Dewar Rd.]
(55.89565, -4.12899)
Signalized Roundabout/Circle
Existing
Other
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Part-time signals at some approaches.
Komsomolsk, Khabarovsk
Komsomol'sk-na-Amure
Russia
prospekt Mira / prospekt Lenina
(50.55454, 137.01601)
Signalized Roundabout/Circle
Existing
Signal
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Timişoara, Timiş

Romania
E70 (Strada Oituz - Bulevardul Take Ionescu) / Strada Martin Luther
(45.75799, 21.23279)
Signalized Roundabout/Circle
Existing
Other
Other
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Mix of signal and yield controls.
Arad, Arad

Romania
DN7E (Calea Aurel Vlaicu) / Strada Cocorilor / Strada Bumbacului
(46.19217, 21.30776)
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)
Bobruysk, Mahilyow
Bobruysk
Belarus
R7 (Minskaja) / Gagarina / Shinnaya
(53.17807, 29.19784)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
São Luís, Maranhão

Brazil
Av. Ana Jansen / Av. Colares Moreira / Av. Marechal Castelo Branco
(-2.50855, -44.30327)
Signalized Roundabout/Circle
Existing
Signal
None
3 Approaches
2 Driveways
Other (At-Grade)
Multilane (2 Lane)
Tyburn, England
Birmingham
United Kingdom
Spitfire Island [A452 (Chester Rd.) / A47 (Fort Pkwy.) / Tangmere Dr.]
(52.51358, -1.79790)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Minworth, England
Birmingham
United Kingdom
Minworth Island [A38 (Kingsbury Rd. - Sutton Coldfield Bypass) / A4097 (Kingsbury Rd.) / Walmley Ash Rd. / Lindridge Dr.]
(52.53104, -1.77568)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Churchbridge, England
Staffs
United Kingdom
A5 (Watling St.) / A34 (Walsall Rd.) / M6 WB Off-Ramp
(52.67191, -2.01902)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
Cannock, England
Staffs
United Kingdom
A5 (Walsall Rd. - Watling St.) / A460 / M6 EB On-Ramp
(52.67310, -2.01948)
Signalized Roundabout/Circle
Existing
Signal
None
3 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (2 Lane)
Raindrop shaped. One signalised approach.
Bridgtown, England
Staffs
United Kingdom
A5 (Watling St. - Walsall Rd.) / A460 (Lodge Ln. - Eastern Way) / A34 (Walsall Rd.)
(52.67278, -2.02327)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
City Centre, England
Wolverhampton
United Kingdom
Penn Road Island [A449 (Penn Rd. - Ring Rd. St Johns) / A4150 (Ring Rd. St Marks) / Worcester St.]
(52.58073, -2.13226)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Winwick Quay, England
Warrington
United Kingdom
A49 (Winwick Rd.) / A574 (Cromwell Ave.) / Sandy Ln. W
(53.41425, -2.59784)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Darley Abbey, England
Derby City
United Kingdom
Markeaton Island [A38 (Kingsway / Queensway) / A52 (Ashbourne Rd.)]
(52.92913, -1.50406)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Derby, England
Derby City
United Kingdom
The Pentagon [A52 (Eastgate - Brian Clough Way) / A61 (Sir Frank Whittle Rd.) / Nottingham Rd. / Chequers Rd.]
(52.92501, -1.46144)
Signalized Roundabout/Circle
Existing
Signal
None
5 Approaches
0 Driveways
Other (At-Grade)
Multilane (3+ Lane)
Dún Laoghaire-Rathdown,

Ireland
N31 (Leopardstown Rd) / R113 / M50 Ramps
(53.27107, -6.21110)
Signalized Roundabout/Circle
Existing
Signal
None
4 Approaches
0 Driveways
Freeway Ramps (Grade-Separated)
Multilane (3+ Lane)
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.
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.
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.
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.
Columbia, MD
Howard Co.
United States
Banneker Rd. / Cul-de-sac
(39.21141, -76.87041)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
17.5824
Other (At-Grade)
Single-Lane
Functional Class: Local ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Quimby St.
(45.53328, -122.70277)
Traffic Calming Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
15.8958
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Tallahassee, FL
Leon Co.
United States
Sutor Road / Old Sutor Road
(30.42957, -84.21212)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
16.4770
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Overton St.
(45.53190, -122.70270)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
44.3420
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States
NW 25th Ave. / NW Marshall St.
(45.53040, -122.70270)
Traffic Calming Circle
Existing
Two-Way Stop
None
4 Approaches
0 Driveways
62.7498
Other (At-Grade)
Single-Lane
1988 Completed 9/30/1988. ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / E. San Pablo Dr.
(33.56833, -111.89350)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
49.7573
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / N. 87th St.
(33.56715, -111.89500)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
69.6612
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / E. San Rafael Dr.
(33.56711, -111.89565)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
18.2880
Other (At-Grade)
Single-Lane
ICD estimated from Google Earth.
Arcata, CA
Humboldt Co.
United States
12th St. / I St.
(40.87160, -124.08700)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
48.7687
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Arcata, CA
Humboldt Co.
United States
13th St. / J St.
(40.87260, -124.08780)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
11.7404
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / N. 84th St.
(33.56832, -111.89880)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
37.8156
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
E. Via Linda / N. 83rd Pl.
(33.56770, -111.90100)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
63.6899
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
61st Ave. S / S Norfolk St.
(47.51337, -122.25705)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
2006
Seattle, WA
King Co.
United States
34th Ave. SW / SW Henderson St.
(47.52286, -122.37530)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
42.7458
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States
W. Palmilla Blvd. / W. Alvarado Dr.
(33.46978, -112.35190)
Traffic Calming Circle
Existing
Unknown
None
4 Approaches
0 Driveways
23.9107
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Litchfield Park, AZ
Maricopa Co.
United States
Wigwam Creek Blvd. / N. Rattler Way
(33.51643, -112.32870)
Traffic Calming Circle
Existing
Unknown
Unknown
4 Approaches
0 Driveways
16.9277
Other (At-Grade)
Single-Lane
2004 ICD estimated from Google Maps linework.
Paradise Valley, AZ
Maricopa Co.
United States
Indian Bend Rd. / 70th St.
(33.53864, -111.92930)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
47.7835
Other (At-Grade)
Single-Lane
Mini-roundabout ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Linden Ave. N / N. 42nd St.
(47.65774, -122.34850)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
56.3115
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
44th Ave. SW / SW College St.
(47.58301, -122.38780)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
37.0576
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
30th Ave. SW / SW Cloverdale St.
(47.52648, -122.37120)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
64.5176
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
42nd Ave. SW / SW Hinds St.
(47.57318, -122.38570)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
9.6690
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
61st Ave. S / S. Cooper St.
(47.51166, -122.25710)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
Other (At-Grade)
Unknown
2006
Seattle, WA
King Co.
United States
17th Ave. E. / E. Spring St.
(47.61153, -122.31020)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
5.6361
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
40th Ave. SW / SW Manning St.
(47.57122, -122.38250)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
7.2520
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
28th Ave. NE / NE Hiram Pl. / NE 120th St.
(47.71572, -122.29810)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
164.7289
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
24th Ave. S / S. Dearborn St.
(47.59557, -122.30120)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
13.6919
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
16.9162
Other (At-Grade)
Single-Lane
2006 Mini-roundabout ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
46.7997
Other (At-Grade)
Single-Lane
2005 Mini-roundabout ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
25th Ave. S / S. Dearborn St.
(47.59556, -122.30010)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
Other (At-Grade)
Unknown
2006
Seattle, WA
King Co.
United States
26th Ave. S / S. Dearborn St.
(47.59555, -122.29880)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
48.3244
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
26th Ave. S / S. Judkins St.
(47.59209, -122.29900)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
20.9420
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
24th Ave. S / S. Norman St.
(47.59301, -122.30120)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
41.0778
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States
South 20th Drive. / (none)
(33.37556, -112.10290)
Traffic Calming Circle
Existing
Unknown
Unknown
2 Approaches
0 Driveways
16.9552
Other (At-Grade)
Single-Lane
2003 Neighborhood traffic calming. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
29th Ave. S / S. Judkins St.
(47.59217, -122.29550)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
12.8873
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
31st Ave. E / E. Denny St.
(47.62016, -122.29230)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
64.4023
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
N. 70th Pl. / E. Chaparral Rd.
(33.50954, -111.92900)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
23.8998
Other (At-Grade)
Single-Lane
2000 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Densmore Ave. N / N 137th St.
(47.72867, -122.33830)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
16.8705
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
2nd Ave. NE / NE 91st St.
(47.69499, -122.32710)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
8.0388
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Linden Ave. N / N. 36th St.
(47.65116, -122.34860)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
35.4002
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
Woodlawn Ave. N / N. 36th St.
(47.65051, -122.33870)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
12.8730
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
18th Ave. E. / E. Spring St.
(47.61154, -122.30890)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
8.0516
Other (At-Grade)
Unknown
ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
4th Ave. N / N. Prospect St.
(47.62890, -122.34880)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
10.4636
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States
N. 74th St. / E. Sweetwater Ave.
(33.60395, -111.92155)
Traffic Calming Circle
Existing
All-Way Yield
None
0 Approaches
0 Driveways
16.7640
Other (At-Grade)
Unknown
2003 Modified by City in 2005 to improve operation as roundabout. 21442
Seattle, WA
King Co.
United States
Sunnyside Ave. N / N. 43rd St.
(47.65912, -122.33020)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
Other (At-Grade)
Unknown
2006
London, ON
Middlesex County
Canada
Lambton Dr. / Oxford Dr.
(43.00616, -81.27515)
Traffic Calming Circle
Existing
Unknown
Unknown
5 Approaches
0 Driveways
38.4291
Other (At-Grade)
Single-Lane
Constructed sometime in the 1970s. Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States
21st Ave. E / E. Republican St.
(47.62320, -122.30470)
Traffic Calming Circle
Existing
Unknown
Unknown
0 Approaches
0 Driveways
5.6349
Other (At-Grade)
Unknown
2006 ICD estimated from Google Maps linework.
Willimantic, CT
Windham Co.
United States
Eastern Rd. / (driveway) (ECSU Campus by clock tower)
(41.72001, -72.21691)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
24.0693
Other (At-Grade)
Single-Lane
1999 Not properly signed and painted, but lots of potential for demonstrating this intersection concept. ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States
Arapahoe Ave. / 4th St.
(40.01294, -105.29160)
Traffic Calming Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
Boulder, CO
Boulder Co.
United States
Arapahoe Ave. / 5th St.
(40.01295, -105.28920)
Traffic Calming Circle
Existing
Two-Way Stop
None
3 Approaches
0 Driveways
Other (At-Grade)
Single-Lane
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
Maxwell Ave. / 6th St.
(40.02176, -105.28860)
Traffic Calming Circle
Existing
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
Pearl St. / Mid-Block
(40.01501, -105.29390)
Traffic Calming Circle
Existing
Unknown
None
2 Approaches
0 Driveways
16.4647
Other (At-Grade)
Single-Lane
Facilitates U-turns at west end of Pearl Street 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.
Littleton, CO
Arapahoe Co.
United States
Franklin St. / Cherryville Rd.
(39.61832, -104.96920)
Traffic Calming Circle
Existing
All-Way Yield
None
3 Approaches
0 Driveways
8.2800
Other (At-Grade)
Single-Lane
ICD estimated from Google Maps linework.
Greenwood Village, CO
Arapahoe Co.
United States
S. Monaco St. / E. Berry Ave.
(39.61682, -104.91340)
Traffic Calming Circle
Existing
Unknown
Unknown
3 Approaches
0 Driveways
11.9603
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.