Roundabouts Database

29411 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
George Town, Grand Cayman

Cayman Islands 		N Sound Rd. / Godfrey Nixon Way / Esterly Tibbetts Hwy.
(19.29935, -81.37189) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
80.0321 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia
Mülheim an der Ruhr
Germany 		SalierStraße / (unknown)
(51.42349, 6.85574) 		Other
Existing 		Unknown
None 		3 Approaches
0 Driveways
26.8104 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway. ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia
Mülheim an der Ruhr
Germany 		Hardenbergstraße / Hingbergstraße
(51.43353, 6.92468) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.8914 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Mülheim an der Ruhr, North Rhine-Westphalia
Mülheim an der Ruhr
Germany 		Am Förderturm / Humboldtring
(51.44148, 6.94859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.0554 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
West Palm Beach, FL
Palm Beach Co.
United States 		31st St. / S Terrace Dr.
(26.74238, -80.06161) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
42.6633 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
West Palm Beach, FL
Palm Beach Co.
United States 		30th St. / S Terrace Dr.
(26.74098, -80.06165) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
53.3297 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
West Palm Beach, FL
Palm Beach Co.
United States 		30th St. / Greenwood Ave.
(26.74092, -80.05948) 		Traffic Calming Circle
Existing 		Other
Unknown 		4 Approaches
0 Driveways
44.7970 		Other (At-Grade)
Single-Lane 		Two-way yield. ICD estimated from Google Maps linework.
West Palm Beach, FL
Palm Beach Co.
United States 		44th St. / N Terrace Dr.
(26.75239, -80.06297) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
15.9973 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Toronto, ON
Toronto
Canada 		Windermere Ave. / St Olaves Rd. / Coe Hill Dr. / Budgell Terr.
(43.64157, -79.47476) 		Other
Existing 		Other
None 		5 Approaches
1 Driveways
30.2505 		Other (At-Grade)
Single-Lane 		One entry has a stop sign; another has no splitter island. ICD estimated from Google Maps linework.
Waghäusel, Baden-Württemberg
Karlsruhe
Germany 		L555 / Hoeber-und-Mandelbaum-Straße
(49.25009, 8.50219) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.6416 		Other (At-Grade)
Single-Lane 		Gated oversized/overweight (OSOW) vehicle bypass through central island. ICD estimated from Google Maps linework.
Balzers, Oberland

Liechtenstein 		Gagoz / Schlossweg
(47.06835, 9.49641) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
30.0990 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Brigantine, NJ
Atlantic Co.
United States 		Brigantine Blvd. / Bayshore Ave. / 34th St. S / (unknown) / (parking lot)
(39.39482, -74.38953) 		Other
Existing 		Other
None 		7 Approaches
0 Driveways
28.6120 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		All entries except Brigantine Blvd controled by stop signs. ICD estimated from Google Maps linework.
Beckly, KY
Jefferson Co.
United States 		Shelby Station Dr. / (unknown)
(38.23829, -85.49049) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
26.2662 		Other (At-Grade)
Single-Lane 		No yield signs on major street. ICD estimated from Google Maps linework.
Issaquah, WA
King Co.
United States 		19th Ave. NW / NW Gilman Blvd.
(47.54571, -122.06644) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.7667 		Other (At-Grade)
Single-Lane 		19th Ave legs have painted splitter islands. Completed 2008 or earlier (streetview). ICD estimated from Google Maps linework.
Norrtälje, Stockholm County
Norrtälje
Sweden 		Rte 276 / E18 EB Ramps
(59.74143, 18.68927) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
28.2858 		Freeway Ramps (Grade-Separated)
Single-Lane 		ICD estimated from Google Maps linework.
Tomball, TX
Harris Co.
United States 		Invergarry Way. / Newcourt Blvd.
(30.07099, -95.56441) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
80.7720 		Other (At-Grade)
Single-Lane 		Very large diameter; operates as four T-intersections.
Richmond, BC
Greater Vancouver
Canada 		Entertainment Blvd. / (parking lots)
(49.13559, -123.06424) 		Other
Existing 		Uncontrolled
None 		3 Approaches
3 Driveways
43.7592 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Richmond, BC
Greater Vancouver
Canada 		Bayview St. / Easthope Ave.
(49.12328, -123.17882) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.8850 		Other (At-Grade)
Single-Lane 		No splitter islands. ICD estimated from Google Maps linework.
Tsawwassen, BC
Greater Vancouver
Canada 		Crescent Dr. / Westminster Ave.
(49.10197, -123.07218) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.0000 		Other (At-Grade)
Single-Lane 		Little entry deflection. Year Completed unknown (before 2003).
Westerwood, NC
Guilford Co.
United States 		E Lake Dr. / Garland Dr.
(36.07915, -79.80705) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0621 		Other (At-Grade)
Single-Lane 		Painted splitter islands, lane changes to stay within circle. ICD estimated from Google Maps linework.
Moncton, NB
Westmorland
Canada 		Causeway Circle [Rte 15 / Rte 106 / Rte 114 / Salisbury Rd.]
(46.07408, -64.81274) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
164.0507 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Railway crosses over bridges. ICD estimated from Google Maps linework.
Saint Paul, MN
Ramsey Co.
United States 		Laurel Ave. / St Alban's St.
(44.94493, -93.12880) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
43.1118 		Other (At-Grade)
Single-Lane 		Park in central island. ICD estimated from Google Maps linework.
North Shore, HI
Honolulu Co.
United States 		Kamehameha Hwy / Hwy 82 / Hwy 930
(21.57568, -158.10573) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
157.7116 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
North Shore, HI
Honolulu Co.
United States 		Hwy 930 (Farrington Hwy.) / Goodale Ave.
(21.56644, -158.12253) 		Rotary
Existing 		Other
Unknown 		3 Approaches
0 Driveways
62.2001 		Other (At-Grade)
Single-Lane 		Yielding on circulatory roadway. ICD estimated from Google Maps linework.
Kealakekua, HI
Hawaii Co.
United States 		Halekii St. / Muli St.
(19.51673, -155.92736) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
18.0113 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Stop control on side street. ICD estimated from Google Maps linework.
Kealakekua, HI
Hawaii Co.
United States 		Halekii St. / Mamao St.
(19.51783, -155.92400) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
22.5140 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Stop control on side street. ICD estimated from Google Maps linework.
Honningsvåg, Finnmark
Nordkapp
Norway 		Nordkappgata / Holmen / Storgata
(70.98206, 25.97053) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
14.0108 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		Believed to be the northernmost roundabout in the world. ICD estimated from Google Maps linework.
Cornwall, ON
Stormont, Dundas and Glengarry
Canada 		Brookdale Ave. / 7th St. W
(45.02273, -74.74777) 		Rotary
Existing 		Other
None 		4 Approaches
0 Driveways
139.2902 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Yield signs within circulatory roadway at Brookdale approaches. ICD estimated from Google Maps linework.
St Albans, VT
Franklin Co.
United States 		Industrial Park Rd. / Benoit Dr.
(44.80056, -73.09987) 		Other
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
86.4401 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Parkville, MO
Platte Co.
United States 		National Dr. / Ridge Rd.
(39.21333, -94.70781) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
49.9696 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Fruita, CO
Mesa Co.
United States 		Aspen Ave. / Mesa St. (Park Square)
(39.15884, -108.73360) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
77.7908 		Other (At-Grade)
Unknown 		Completed 1940? ICD estimated from Google Maps linework.
Somerville, NJ
Somerset Co.
United States 		US 206 / US 202 Ramps / NJ 28 / West End Ave.
(40.57572, -74.62894) 		Rotary
Existing 		Other
Unknown 		5 Approaches
0 Driveways
144.7800 		Other (At-Grade)
Multilane (3+ Lane) 		Circulating traffic yields (stops) for entering traffic on northeast leg. ICD = 475 ft x 350 ft.
East Lansing, MI
Ingham Co.
United States 		Bogue St. / Wilson Rd.
(42.72326, -84.47186) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
36.8508 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
East Lansing, MI
Ingham Co.
United States 		Wilson Rd. / Red Cedar Rd.
(42.72324, -84.48238) 		Other
Removed 		Unknown
Unknown 		4 Approaches
0 Driveways
23.6898 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / B St.
(40.17772, -74.01782) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Belmar, NJ
Monmouth Co.
United States 		10th Ave. / D St.
(40.17855, -74.02169) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Summit, NJ
Union Co.
United States 		Union Pl. / Beechwood Rd.
(40.71691, -74.35757) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
19.0099 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Highland Ave.
(40.73043, -74.25748) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
83.2644 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Maplewood, NJ
Essex Co.
United States 		Midland Blvd. / Norfolk Ave.
(40.73111, -74.25972) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.2907 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Hyannis, MA
Barnstable Co.
United States 		Iyannough Rd. / Barnstable Rd. / Falmouth Rd.
(41.66512, -70.28732) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
87.4371 		Other (At-Grade)
Unknown 		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.
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 		Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.)
(40.57639, -105.08070) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
19.0499 		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.
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.
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.
Fort Collins, CO
Larimer Co.
United States 		Stanton Creek Dr. / Tortola Way
(40.48999, -105.05430) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
25.4327 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Albion Rd.
(37.76511, -121.90780) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9336 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Harcourt Way
(37.75982, -121.90820) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
34.9361 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Pleasanton, CA
Alameda Co.
United States 		Watermill Rd. / Watermill Rd.
(37.75548, -121.90970) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
31.1610 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
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.
Seward, NE
Seward Co.
United States 		7th St. / 6th Ave. / 8th Ave.
(40.91742, -97.10029) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
37.9050 		Other (At-Grade)
Single-Lane 		Functional Class: Local ICD estimated from Google Maps linework.
Brookfield, IL
Cook Co.
United States 		Grand Blvd. / Washington St.
(41.82755, -87.85150) 		Other
Existing 		Unknown
Unknown 		8 Approaches
0 Driveways
41.8281 		Other (At-Grade)
Single-Lane 		I am a chauffuer in the Chicago area and I use this roundabout frequently when traveling from the West Suburbs to Midway Airport. Only real traffic is on Grand Blvd at this intersection but it is in a downtown shopping district in Brookfield (13 mi WSW of Functional Class: Local ICD estimated from Google Maps linework.
Boulder, CO
Boulder Co.
United States 		Arapahoe Ave. / 4th St.
(40.01294, -105.29160) 		Traffic Calming Circle
Existing 		One-Way/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 		One-Way/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 		Kings Ridge Blvd. / Edison Ave.
(40.03098, -105.23950) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.7768 		Other (At-Grade)
Single-Lane 		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 		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.
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.
Nashville, TN
Davidson Co.
United States 		Demonbreun St. / 16th Ave. / Division St. / Music Square E.
(36.15210, -86.79163) 		Other
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
54.0044 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		550 West / 1950 North
(40.26043, -111.66600) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
21.8738 		Other (At-Grade)
Single-Lane 		Within parking lot; not fully developed as roundabout. Functional Class: Local ICD estimated from Google Maps linework.
Dumont / Cresskill, NJ
Bergen Co.
United States 		Madison Ave. / Knickerbocker Rd. (Monument)
(40.94127, -73.97681) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
74.8804 		Other (At-Grade)
Single-Lane 		Completed May 30, 1924. Nearest traffic count was conducted on Knickerbocker Road (County Route 505) about 0.5 km from the intersection. http://tcs.state.nj.us/tmsweb/Report/h2d5c913_99_hrvolume.pdf Functional Class: Local 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.
Westfield, NJ
Union Co.
United States 		NJ 28 / E. Broad St. (Westfield Circle)
(40.64849, -74.35027) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
42.5896 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Functional Class: Arterial ICD estimated from Google Maps linework.
Quebec, QC
Capitale-Nationale Region
Canada 		Rue de la Rive-Boisee N / Rue du Baumier
(46.83577, -71.32956) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		No splitter islands. ICD estimated from Google Maps linework.
Tulsa, OK
Tulsa Co.
United States 		E. Admiral Pl. / Mingo Rd.
(36.16057, -95.86876) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
114.7468 		Other (At-Grade)
Single-Lane 		Functional Class: Arterial ICD estimated from Google Maps linework.
Gordonsville, VA
Orange Co.
United States 		James Madison Hwy / N. Main St. / Spotswood Trl.
(38.14261, -78.18947) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
31.9366 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		Aviano Way / (unknown)
(33.68941, -111.99350) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
79.4999 		Other (At-Grade)
Single-Lane 		Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework.
Orange, CA
Orange Co.
United States 		Chapman Ave. / Glassell St.
(33.78788, -117.85310) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.4752 		Other (At-Grade)
Single-Lane 		Old school traffic circle, pedestrian park in the middle, cars park along the sides. 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.
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.
Madison, CT
New Haven Co.
United States 		Rte. 80 / Rte. 79
(41.35976, -72.63807) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
98.6077 		Other (At-Grade)
Single-Lane 		Old traffic circle converted to yield on entry. ICD estimated from Google Maps linework.
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. 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.
Bisbee, AZ
Cochise Co.
United States 		Bisbee Rd. / SR 80 / SR 92
(31.42830, -109.89230) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
104.9686 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N. Marshall Way / E. Main St.
(33.49311, -111.92830) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
22.9083 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N. Marshall Way / E. 5th Ave.
(33.49802, -111.92900) 		Other
Existing 		All-Way Stop
None 		3 Approaches
0 Driveways
23.9030 		Other (At-Grade)
Single-Lane 		Stop controlled. ICD estimated from Google Maps linework.
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.
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.
Coral Gables, FL
Miami-Dade Co.
United States 		Sunset Rd (SW 72nd St) / LeJeune Rd (SW 42nd Ave) / Cocoplum Rd / Old Cutler Rd
(25.70536, -80.26083) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
71.0248 		Other (At-Grade)
Single-Lane 		Entering traffic yields to circling traffic Functional Class: Collector 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.
Port St. Lucie, FL
St. Lucie Co.
United States 		SE Westmoreland Blvd. / Pine Valley St.
(27.25530, -80.30157) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
72.1975 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
(unincorporated), OR
Clackamas Co.
United States 		SE 147th Ave. / Oregon Trail Dr. / Hines Dr. / Sieben Pkwy.
(45.42280, -122.51240) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
34.3688 		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 		SE Ladd Circle
(45.50850, -122.64940) 		Other
Existing 		Unknown
None 		0 Approaches
0 Driveways
92.0689 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Wall, NJ
Monmouth Co.
United States 		NJ 35 / Atlantic Ave. (Brielle Circle)
(40.13232, -74.06525) 		Rotary
Existing 		Other
Unknown 		4 Approaches
0 Driveways
129.6649 		Other (At-Grade)
Single-Lane 		Traffic circle conversion ICD estimated from Google Maps linework.
Southampton, NJ
Burlington Co.
United States 		US 206 / NJ 70 (Red Lion Circle)
(39.88715, -74.74104) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
136.5464 		Other (At-Grade)
Single-Lane 		Traffic circle conversion Functional Class: Arterial ICD estimated from Google Maps linework.