Roundabouts Database

29616 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
Macomb, MI
Macomb Co.
United States 		25 Mile Rd. / Hayes Rd.
(42.70090, -82.97623) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.4973 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		SW Bond St. / Wilson St.
(44.04616, -121.30970) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4799 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Single-Lane except one separate right turn lane ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		Clinton Pkwy. / Lake Pointe Dr.
(38.94298, -95.32938) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.5831 		Other (At-Grade)
Single-Lane 		2005 Fatal crash March 4, 2007. 11861-05.Functional Class: Arterial. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 115th St.
(47.71221, -122.32060) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 117th St.
(47.71402, -122.32070) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 120th St.
(47.71584, -122.32070) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Seattle, WA
King Co.
United States 		8th Ave. NE / NE 123rd St.
(47.71767, -122.32080) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
29.7304 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Beaverton, OR
Washington Co.
United States 		SW Hart Rd. / Sorrento Rd. / Juniper Terr.
(45.46680, -122.80880) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.1283 		Other (At-Grade)
Single-Lane 		Functional Class: Collector. Pedestrian ramps into circulatory roadway. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Brazee St.
(45.54050, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Thompson St.
(45.53896, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.8845 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 24th Ave. / Tillamook St.
(45.53741, -122.64110) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
56.0495 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 21st Ave. / Thompson St.
(45.53898, -122.64420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
34.2980 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 21st Ave. / Brazee St.
(45.54051, -122.64420) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
86.9974 		Other (At-Grade)
Single-Lane 		1989 Completed 10/10/1989. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Morris St. / Wisteria St.
(45.54467, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.7290 		Other (At-Grade)
Single-Lane 		1986 Completed 12/23/1986. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Brazee St.
(45.54057, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
119.6213 		Other (At-Grade)
Single-Lane 		1987 Completed 10/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		NE 37th Ave. / Thompson St.
(45.53904, -122.62500) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
94.5285 		Other (At-Grade)
Single-Lane 		1987 Completed 11/16/1987. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 32nd Ave. / SE Lincoln St.
(45.50825, -122.63270) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
12.5549 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 30th Ave. / SE Caruthers St.
(45.50550, -122.63470) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
78.6812 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 31st Ave. / SE Clinton St.
(45.50354, -122.63360) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
14.2301 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 23rd Ave. / SE Clinton St.
(45.50339, -122.64260) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
31.8085 		Other (At-Grade)
Single-Lane 		1990 Completed 6/22/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 37th Ave. / SE Lincoln St.
(45.50806, -122.62570) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/25/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 43rd Ave. / SE Lincoln St.
(45.50799, -122.61810) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
22.5989 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 51st Ave. / SE Lincoln St.
(45.50803, -122.61000) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
15.0659 		Other (At-Grade)
Single-Lane 		1990 Completed 4/23/1990. ICD estimated from Google Maps linework.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (N) / SE Lincoln St.
(45.50806, -122.60650) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 55th Ave. (S) / SE Lincoln St.
(45.50804, -122.60610) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		1990 Completed 5/14/1990.
Portland, OR
Multnomah Co.
United States 		SE 58th Ave. (S) / SE Lincoln St.
(45.50805, -122.60380) 		Traffic Calming Circle
Existing 		Unknown
None 		4 Approaches
0 Driveways
104.6245 		Other (At-Grade)
Single-Lane 		1990 Completed 5/8/1990. ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / I St.
(38.57565, -121.47140) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
81.2327 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / I St.
(38.57636, -121.47410) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
55.0883 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		24th St. / H St.
(38.57746, -121.47360) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
70.0264 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Sacramento, CA
Sacramento Co.
United States 		26th St. / E St.
(38.58003, -121.46950) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
15.8721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / East Quad
(38.54061, -121.74820) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
16.8150 		Other (At-Grade)
Unknown 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		Peter J Shields Ave. / West Quad
(38.54028, -121.75010) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
14.9467 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / North Quad
(38.54252, -121.75300) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
20.5511 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Storer Mall
(38.54082, -121.75250) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.0783 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local ICD estimated from Google Maps linework.
Davis, CA
Yolo Co.
United States 		California Ave. / Hutchison Dr.
(38.53909, -121.75200) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.3015 		Other (At-Grade)
Single-Lane 		On campus of University of California at Davis. Restricted to bicycles and delivery vehicles. YIELD pavement legends but no YIELD signs. Functional Class: Local. Year Completed unknown (before 1993). ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Palm Ave. / Keystone Ave.
(38.68635, -121.77050) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
41.0198 		Other (At-Grade)
Single-Lane 		Circular intersection in older neighborhood. ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Kendall Ave. / Grand Ave.
(43.07145, -89.43156) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		1997
Madison, WI
Dane Co.
United States 		New Washburn Way / Dandaneau Trl. / Chautauqua Trl.
(43.04669, -89.51501) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
13.9650 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Madison, WI
Dane Co.
United States 		Glenway St. / Hillcrest Dr.
(43.06437, -89.43896) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
11.3433 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Lagrange St. / Newton St. / Hammond Pond Pkwy. / Hammond St.
(42.31049, -71.16329) 		Rotary
Existing 		All-Way Yield
Unknown 		5 Approaches
1 Driveways
72.4235 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Retrofitted in 2014 with the pavement markings. ICD estimated from Google Maps linework. Lacks entry deflection on multiple legs, intersection sight distance.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Grove St.
(42.30330, -71.15137) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
72.4319 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Veterans of Foreign Wars Pkwy.
(42.29649, -71.14560) 		Rotary
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
67.1393 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
West Roxbury, MA
Suffolk Co.
United States 		W. Roxbury Pkwy. / Centre St.
(42.28730, -71.14774) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
68.9162 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Tumwater, WA
Thurston Co.
United States 		Tumwater Blvd. / New Market St.
(46.97971, -122.91320) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.7052 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 Functional Class: Arterial ICD estimated from Google Maps linework.
Medford, OR
Jackson Co.
United States 		Highland Dr. / Siskiyou Blvd.
(42.32110, -122.84986) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006 Elliptical shaped. ICD = 140 ft x 125 ft. Fire station on south leg.
Yelm, WA
Thurston Co.
United States 		SR 510 / Mud Run Rd. SE
(46.96465, -122.63230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8630 		Other (At-Grade)
Single-Lane 		2010 October 2010. ICD estimated from Google Maps linework.
Mendon, NY
Monroe Co.
United States 		NY 65 / NY 251
(42.99061, -77.57766) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8180 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Springfield, OR
Lane Co.
United States 		Hayden Bridge Way / Pioneer Pkwy. / Wayside Ln.
(44.07090, -123.02880) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		5 Approaches
0 Driveways
52.3441 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 http://www.registerguard.com/news/2006/09/21/a1.roundabout.0921.p1.php?section=cityregion Prior configuration was an offset T with Wayside east of Pioneer Parkway East. M L King Parkway did not exist. ICD estimated from Google Maps linework.
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Hayden Run Rd.
(40.06202, -83.13750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD = 160 feet in one-lane section, 180 in two-lane section.
Hilliard, OH
Franklin Co.
United States 		Britton Pkwy. / Riggins Rd.
(40.06493, -83.13857) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2006 Converted from 2x2 roundabout to a 2x1 roundabout in 2020 by changing the EB and WB thru/right lanes to RT only lanes.
Eno, CO
Adams Co.
United States 		Memphis St. / E. 105th Way
(39.88830, -104.79660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.8265 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Memphis St. / E. 106th Pl.
(39.88960, -104.79650) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6588 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Kittredge St. / E. 105th Ave.
(39.88913, -104.80030) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.2377 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Eno, CO
Adams Co.
United States 		Kittredge St. / E. 107th Ave.
(39.89114, -104.80140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.3237 		Other (At-Grade)
Single-Lane 		2006 Functional Class: Local ICD estimated from Google Maps linework.
Oshkosh, WI
Winnebago Co.
United States 		Jackson St. / Murdock Ave.
(44.03947, -88.54265) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2010
Seattle, WA
King Co.
United States 		34th Ave. SW / SW Elmgrove St.
(47.53009, -122.37530) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Edmonton, AB
Edmonton Capital Region
Canada 		107th Ave. / 142nd St. NW
(53.55102, -113.56580) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
81.5992 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		ICD estimated from Google Maps linework.
Jessup, MD
Howard Co.
United States 		Canine Rd. / MD 32 EB Ramps
(39.10101, -76.76953) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.0005 		Freeway Ramps (Grade-Separated)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Mount Aetna, MD
Washington Co.
United States 		MD 66 (Mapleville Rd.) / Mount Aetna Rd.
(39.60243, -77.62425) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1703 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Scaggsville, MD
Howard Co.
United States 		Hopkins-Gorman Rd. / US 29 NB Ramps
(39.15846, -76.88660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.2695 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 ICD estimated from Google Maps linework.
Medford, MN
Steele Co.
United States 		CR 12 / I-35 SB Ramps
(44.17364, -93.26057) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
67.6722 		Other (At-Grade)
Single-Lane 		2002 ICD estimated from Google Maps linework.
Maplewood, MN
Ramsey Co.
United States 		Frost Ave. / English St.
(44.99927, -93.04572) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5374 		Other (At-Grade)
Single-Lane 		2002 Completed October 2002. Twenty-year ADT is 15,000. ICD estimated from Google Maps linework.
Stillwater, MN
Washington Co.
United States 		Rutherford Rd. / 72nd St. / New England Pl. (School House Circle)
(45.05673, -92.85909) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
55.6830 		Other (At-Grade)
Single-Lane 		1999 Functional Class: Local ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Ashworth Ave. N / N 38th St.
(47.65269, -122.34020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
160.1009 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Rochester, MN
Olmsted Co.
United States 		College Dr. SE / College Pkwy. SE (north)
(44.01949, -92.42918) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2000
Rochester, MN
Olmsted Co.
United States 		UCR Dr. SE / Ucr Pkwy SE (south)
(44.01538, -92.43011) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.3809 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Blair, NE
Washington Co.
United States 		NE 133 / US 30
(41.51842, -96.14633) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1353 		Other (At-Grade)
Single-Lane 		2004 Opened November 4, 2004. Right-turn bypass lanes on all three approaches. http://www.nebraskatransportation.org/roadrunner/docs/archives/Dec04Jan05.pdf ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NE 15th St. / Bear Creek Rd.
(44.05150, -121.28400) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9018 		Other (At-Grade)
Single-Lane 		2005 Near elementary school. Crossing guard operation. ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NW Awbrey Rd. / NW Sonora Dr.
(44.07240, -121.31750) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.0262 		Other (At-Grade)
Single-Lane 		Older design. Fourth leg is stub. ICD estimated from Google Maps linework.
Draper, UT
Salt Lake Co.
United States 		Vestry Rd. / Rocky Mouth Ln.
(40.48996, -111.87390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.2236 		Other (At-Grade)
Single-Lane 		1996 ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		E 850 North / N Palisade Dr.
(40.31273, -111.66490) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.4997 		Other (At-Grade)
Single-Lane 		2001 ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		Burke Ave. N / N 35th St.
(47.64919, -122.33510) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
9.6550 		Other (At-Grade)
Unknown 		ICD estimated from Google Maps linework.
Lindon, UT
Utah Co.
United States 		400 South / 600 West (Lindon Park Circle)
(40.33034, -111.73140) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
33.6873 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2001 Date estimated. ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		1730 North / 1740 West
(40.25703, -111.68890) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.3437 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Colorado Springs, CO
El Paso Co.
United States 		Promenade Dr. / Royal Pine Dr.
(38.96891, -104.74860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.2859 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		700 East / Center St.
(40.23369, -111.64660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9119 		Other (At-Grade)
Single-Lane 		1996 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		1700 North / 1730 North / 1500 West
(40.25650, -111.68530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4324 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		300 North / Seven Peaks Blvd.
(40.23737, -111.63750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7337 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1997 ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		5000 North / Edgewood Dr.
(40.30066, -111.65750) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
19.1282 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Glen Isle Dr. / Glendale Dr.
(40.43433, -105.11460) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		1995 No splitter islands on side street.
Loveland, CO
Larimer Co.
United States 		Glen Isle Dr. / Buckingham Cir.
(40.43580, -105.10680) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
64.5421 		Other (At-Grade)
Single-Lane 		1997 Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Horseshoe Dr.
(40.42844, -105.05100) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
20.0011 		Other (At-Grade)
Single-Lane 		1996 Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Seven Lakes Dr. / Madison Ave.
(40.42698, -105.05790) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
18.1832 		Other (At-Grade)
Single-Lane 		1995 Functional Class: Local ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		E. 13th St. / N. Denver Ave.
(40.40520, -105.04480) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.7445 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework.
Sherwood, OR
Washington Co.
United States 		SW Oregon St. / SW Murdock Rd.
(45.36060, -122.82520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.5120 		Other (At-Grade)
Single-Lane 		2002 Completed November 2002. ICD estimated from Google Maps linework.
Erwin, NY
Steuben Co.
United States 		Robert Dann Dr. / Science Center Rd.
(42.15936, -77.11082) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2001 Add-lane right-turn bypass lane on west leg.
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.
Clemmons, NC
Forsyth Co.
United States 		Styers Ferry Rd. / Utility Dr. (River Ridge Roundabout)
(36.07380, -80.39124) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9598 		Other (At-Grade)
Single-Lane 		2002 Built by developer. Previously controlled by one-way stop Functional Class: Collector 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.
Stafford Springs, CT
Tolland Co.
United States 		Rte 32 / Rte 190
(41.95362, -72.30314) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.6523 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1890 Believed by some to be improperly signed and painted, though some roundabout features have been added in the past 10 years. Near railroad crossing. Year Completed estimated (1890?). 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.
St. George, UT
Washington Co.
United States 		E. Brigham Rd. / I-15 SB Ramps / Pioneer Rd.
(37.05999, -113.58560) 		Roundabout
Existing 		All-Way Yield
None 		6 Approaches
0 Driveways
78.1526 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2006 Combines interchange ramps and frontage road. 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.
Hilton Head, SC
Beaufort Co.
United States 		US 278 / Pope Ave. / Greenwood Dr. / William Hilton Pkwy.
(32.15560, -80.76283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.0011 		Other (At-Grade)
Single-Lane 		2000 Converted rotary with large diameter. Right turn bypass lanes on all legs. Conversion Year Completed estimated (1994-2005). ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		River Rd. / East 131st St. / Longest Dr.
(39.97910, -86.05145) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		1997 First roundabout in Carmel.
Carmel, IN
Hamilton Co.
United States 		Gray Rd. / 106th St.
(39.94151, -86.08847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6277 		Other (At-Grade)
Single-Lane 		2003 Under construction in December 2002; completed January 2003. Intersection closed until completion. Construction cost $430,000 per Indianapolis Star article authored by Bill Ruthhart (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Spring Mill Rd. / W. 131st St.
(39.97776, -86.16474) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2691 		Other (At-Grade)
Single-Lane 		2007 Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Spring Mill Rd. / W. 136th St.
(39.98505, -86.16485) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.6893 		Other (At-Grade)
Single-Lane 		2005 Construction planned for Spring 2003 per article in The Indianapolis Star (12/05/2002). Functional Class: Arterial ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / Pennsylvania St.
(39.96796, -86.15526) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2008