Roundabouts Database

29410 Results

Search by location, intersection, and comments with the Quick Search below. You can search all other attributes by clicking Advanced Search. Sort results by clicking the headers of any column. Click the Intersection name for a details and aerial view. Search results pages can be bookmarked. Results can be exported to KML for viewing in Google Earth.


Search Advanced Search Export as KML
City, State
County
Country 		Intersection
(Lat, Lng) 		Type
Status 		Control Type / Other Control Type Approaches / Driveways / ICD (m) Functional Class /
LaneType 		Year Completed Comments
Ranson, WV
Jefferson Co.
United States 		Lancaster Circle (S Fairfax Blvd. / S Mildred St. / W 4th Ave.)
(39.29523, -77.86039) 		Other
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
52.6841 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. ICD estimated from Google Maps linework.
Manchester, NH
Hillsborough Co.
United States 		Goffstown Rd. / Eddy Rd. / Amoskeag St. / I-293 Ramps
(43.00402, -71.47507) 		Rotary
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Indianapolis, IN
Marion Co.
United States 		River Ridge Dr. / Cameron Ridge Dr.
(39.92386, -86.08775) 		Other
Existing 		All-Way Yield
Unknown 		2 Approaches
2 Driveways
44.8805 		Other (At-Grade)
Single-Lane 		Splitter island only on one leg, no entry deflection. ICD estimated from Google Maps linework.
Westfield, IN
Hamilton Co.
United States 		Parkhurst Dr. / Palomar Dr.
(40.00132, -86.17607) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
7 Driveways
84.1700 		Other (At-Grade)
Single-Lane 		Building in central island. ICD estimated from Google Maps linework.
Westfield, IN
Hamilton Co.
United States 		New Haven Dr. / Piedmont Dr. / Stockbridge Dr.
(40.00795, -86.17278) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
61.2918 		Unknown
Single-Lane 		Pedestrian access to central island. ICD estimated from Google Maps linework.
Westfield, IN
Hamilton Co.
United States 		Piedmont Dr. / Alexandria Dr.
(40.00801, -86.16714) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
64.0361 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Fishermead Roundabout (Marlborough St. / Chaffron Way)
(52.03576, -0.73591) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
49.2259 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Eaglestone Roundabout (Saxon St. / Chaffron Way)
(52.03140, -0.74564) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.0263 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		North Grafton Roundabout (Portway / Grafton Gate)
(52.03998, -0.77478) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
101.3810 		Other (At-Grade)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Portway / A5 Ramps
(52.03735, -0.78203) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
123.4277 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		South Grafton Roundabout (Graffton Gate / Childs Way)
(52.03227, -0.76605) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
58.0470 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		South Witan Roundabout (Childs Way / Witan Gate / Evans Gate)
(52.03461, -0.76057) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.4924 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		South Saxon Roundabout (Childs Way / Saxon Gate / Saxon St.)
(52.03694, -0.75517) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
49.9593 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		South Secklow Roundabout (Childs Way / Secklow Gate / Pentewan Gate)
(52.03928, -0.74977) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.7527 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Springfield Roundabout (Childs Way / Marlborough St.)
(52.04168, -0.74451) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.4232 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		South Enmore Roundabout (Childs Way / Enmore Gate / Kenwood Gate)
(52.04346, -0.73925) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
45.5445 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		South Overgate Roundabout (Childs Way / Overgate)
(52.04492, -0.73450) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
44.0738 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Woolstone Roundabout (Childs Way / Brickhill St.)
(52.04711, -0.72361) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
57.2932 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Fox Milne Roundabout (Childs Way / Tongwell St.)
(52.04865, -0.70746) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.3532 		Other (At-Grade)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Milton Keynes, england
Buckinghamshire
United Kingdom 		Northfield Roundabout (Chidls Way / Portway / A5130)
(52.05445, -0.70227) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
71.2375 		Other (At-Grade)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		A509 / London Rd. / M1 Ramps
(52.05881, -0.70017) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
55.0752 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Oakgrove Roundabout (Chaffron Way / Brickhill St.)
(52.03762, -0.70960) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.4891 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Milton Keynes, England
Buckinghamshire
United Kingdom 		Kilwinning Dr. / Lilleshall Ave. / Bridlington Cres.
(52.03494, -0.70663) 		Other
Existing 		Unknown
Unknown 		4 Approaches
4 Driveways
45.5531 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
South Bend, IN
St. Joseph Co.
United States 		Fellows St. / Dean Johnson Blvd.
(41.66300, -86.24449) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.4441 		Other (At-Grade)
Single-Lane 		Lane drops on north and west legs without signs. Year Completed unknown (<1998). ICD estimated from Google Maps linework.
Norwood, MA
Norfolk Co.
United States 		Washington St. / Upland Rd. / Prospect St. / Fulton St.
(42.20417, -71.19667) 		Other
Existing 		Other
Unknown 		5 Approaches
3 Driveways
46.0047 		Other (At-Grade)
Single-Lane 		Wide circular roadway New Pavement markings on circular roadway approx 2016 (e.g. splitter island, traffic lanes dedicated LT T RT on Prospect St) New pavement markings to extend/complete central island. Markings go into roadway on washington street. no additional pm on Washington street to delineate TL. Missing or submerged curbs, various layers of resurfacing and fixtures of potholes. Sidewalks present, CW present CW SB along Washington St very long (2 x 70 - 90 ft) possible drainage issues, general water management concerns with condition existing inlets Bus lane 34E on Washington Street; bus stop just south of traffic circle ICD estimated from Google Maps linework.
Winchester, MA
Middlesex Co.
United States 		Main St (Rte 38) / Everell Rd / Bacon St / Grove St
(42.44236, -71.13586) 		Traffic Calming Circle
Existing 		Other
None 		5 Approaches
0 Driveways
23.7968 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
West End, MA
Middlesex Co.
United States 		US 20 / I-95 Ramps
(42.37131, -71.26901) 		Rotary
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
43.2357 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Far Eastside, IN
Marion Co.
United States 		Valley Creek Way / Valley Creek Ln.
(39.80053, -85.95662) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
3 Driveways
46.7964 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. 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.
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.