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
Surrey, BC
Greater Vancouver
Canada 		156 St. / 82 Ave.
(49.15186, -122.79010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.0913 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		156th Ave. / 157th Ave. / Syracuse Way
(39.97989, -104.89921) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Overland Park, KS
Johnson Co.
United States 		157th St. / King St.
(38.84201, -94.71545) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.9304 		Other (At-Grade)
Single-Lane 		2007 Built for new development. ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		15th Ave. E. / E. Spring St.
(47.61155, -122.31280) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
44.2838 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Nashville, TN
Davidson Co.
United States 		15th Ave. S / Acklen Ave.
(36.13477, -86.79200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2014
Puyallup, WA
Pierce Co.
United States 		15th Ave. SE / 3rd St. SE
(47.17741, -122.29100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2010 June 2010.
Georgetown, CO
Clear Creek Co.
United States 		15th St. / Argentine St.
(39.71527, -105.69520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8298 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
South Overton, TX
Lubbock Co.
United States 		15th St. / Avenue W
(33.58171, -101.86620) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Surrey, BC
Greater Vancouver
Canada 		160 St. / 82 Ave.
(49.15184, -122.77886) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1855 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Urbandale, IA
Dallas Co.
United States 		160th St. / Alpine Dr.
(41.64214, -93.83906) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Urbandale, IA
Dallas Co.
United States 		162nd St. / Alpine Dr.
(41.64249, -93.84126) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
Lakeville, MN
Dakota Co.
United States 		162nd St. W / Eagleview Dr.
(44.71478, -93.16821) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015
Olathe, KS
Johnson Co.
United States 		167th St. / (unknown)
(38.82562, -94.77064) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.7312 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		167th St. / Lindenwood Dr.
(38.82558, -94.78903) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.8703 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		167th St. / Mur-Len St.
(38.82566, -94.77972) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2443 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Built for new development. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Covington, WA
King Co.
United States 		168th Pl. SE / Costco Entrance
(47.35463, -122.11860) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6463 		Other (At-Grade)
Single-Lane 		2008 November 2008. Entrance into Costco shopping center. ICD estimated from Google Maps linework.
Covington, WA
King Co.
United States 		168th Pl. SE / Fred Meyer Entrance
(47.35698, -122.11680) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
105.1794 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 November 2008. Entrance into Fred Meyer shopping center. ICD estimated from Google Maps linework.
Vancouver, BC
Greater Vancouver Regional District
Canada 		16th Ave. / Westbrook Mall
(49.25575, -123.23630) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.0940 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 On campus of University of British Columbia. Functional Class: Arterial ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		16th Ave. E. / E. Marion St.
(47.61037, -122.31150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
9.6621 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Seattle, WA
King Co.
United States 		16th Ave. E. / E. Spring St.
(47.61154, -122.31150) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
8.8568 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		16th Ave. S / Todd Beamer High School entrance
(47.27650, -122.31360) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
29.9813 		Other (At-Grade)
Single-Lane 		2003 Opened September 2003. Access to high school. ICD estimated from Google Maps linework.
Cedar Rapids, IA
Linn Co.
United States 		16th Ave. SE / 5th St. SE
(41.97092, -91.65498) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2019).
Citrus Ridge, FL
Indian River Co.
United States 		16th Manor / 76th Ave.
(27.63326, -80.48669) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Mount Pleasant, WI
Racine Co.
United States 		16th St. / Emmertsen Rd.
(42.71282, -87.85553) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2019
Glencoe, MN
McLeod Co.
United States 		16th St. E / 110th St. / Falcon Ave. / Morningside Dr.
(44.77578, -94.13155) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2020-2022).
Rochester, MN
Olmsted
United States 		16th St. SW / (driveways)
(44.00112, -92.47502) 		Other
Existing 		All-Way Yield
None 		1 Approaches
3 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2017 No splitter islands on three legs. Functions as cul-de-sac.
Monterey, CA
Monterey Co.
United States 		17 Mile Dr. / SR 1 SB On-Ramp
(36.57448, -121.91295) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
28.9560 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Raindrop shape. Right-turn-only lane on west leg.
Lawrence, MA
Essex Co.
United States 		170 May St
(42.71218, -71.18037) 		Traffic Calming Circle
Existing 		Other
Unknown 		5 Approaches
0 Driveways
18.4287 		Other (At-Grade)
Single-Lane 		No splitter islands. Mix of stop and yield control. 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.
Farmington, MN
Dakota Co.
United States 		170th St. W / Chippendale Ave. W (SR 3)
(44.70291, -93.13656) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2020 http://www.dot.state.mn.us/metro/projects/hwy3farmington-empiretwp/index.html
Covington, WA
King Co.
United States 		172nd Ave. SE / SE 270th Pl.
(47.35939, -122.11240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.7885 		Other (At-Grade)
Single-Lane 		2001 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.
Lakeville, MN
Dakota Co.
United States 		179th St. W / Flagstaff Ave.
(44.68974, -93.19707) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020
Seattle, WA
King Co.
United States 		17th Ave. E. / E. Marion St.
(47.61036, -122.31020) 		Traffic Calming Circle
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
6.4414 		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.
Ballard, WA
King Co.
United States 		17th Ave. NW / NW 83rd St
(47.68874, -122.37896) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
13.7157 		Other (At-Grade)
Single-Lane
West Tuscaloosa, AL
Tuscaloosa Co.
United States 		17th St. / 23rd Ave.
(33.19755, -87.56182) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Building in central island.
Guatemala City, Guatemala
Guatemala
Guatemala 		18 Calle / 15 Avenida
(14.57975, -90.52453) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Unknown
Podgorica,

Montenegro 		18. jula / 13. jula / Moskovska
(42.44744, 19.25062) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Zumbrota, MN
Goodhue Co.
United States 		180th Ave. / County 10 Blvd. / US 52 EB Ramps
(44.28087, -92.67098) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Year Completed estimated (2015-2018).
Zumbrota, MN
Goodhue Co.
United States 		180th Ave. / S Main St. / E 18th St. / US 52 WB Ramps
(44.28223, -92.66933) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Year Completed estimated (2015-2018).
Elk River, MN
Sherburne Co.
United States 		181st Ave. NW / Johnson St. NW / (parking)
(45.29948, -93.52681) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2021 Elliptical shaped. ICD = 125 ft x 115 ft. Year Completed estimated (2020-2021).
Edmonton, AB
Division 11
Canada 		182 St. SW / Keswick Dr. SW
(53.41258, -113.63649) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2017-2020).
Edmonton, AB
Division 11
Canada 		182 St. SW / Keswick Way SW
(53.41538, -113.63650) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
33.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2020).
Edmonton, AB
Division 11
Canada 		182 St. SW / Kulay Green SW / Kimball Way SW
(53.41931, -113.63647) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
32.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2020).
Surrey, BC
Greater Vancouver Regional District
Canada 		188 St. / 68 Ave.
(49.12614, -122.70170) 		Roundabout
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
25.7916 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		18th Ave. / Garrard St.
(32.48277, -84.96620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.3067 		Other (At-Grade)
Single-Lane 		2012 Elongated central island. Functional Class: Local ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		18th Ave. / Irving St.
(46.19221, -119.19620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.1649 		Other (At-Grade)
Single-Lane 		2006 New roads/intersection in subdivision - completed February 2006. 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.
Rochester, MN
Olmsted Co.
United States 		18th Ave. NW / 48th St. NW
(44.07167, -92.48888) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.3103 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 https://kttc.com/2018/08/18/rochesters-first-mini-roundabout-set-to-debut-thursday-on-18th-avenue-nw/ ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		18th Ave. SE / Fones Rd. SE
(47.03250, -122.84697) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2010 Double-right turn on north leg. October 2010.
Olympia, WA
Thurston Co.
United States 		18th Ave. SE / Hoffman Rd. SE / Ontario St. SE
(47.03250, -122.84959) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.8175 		Other (At-Grade)
Single-Lane 		2010 Opened October 2010. ICD estimated from Google Maps linework.
Clinton Township, MI
Macomb Co.
United States 		19 Mile Rd. / Romeo Plank Rd.
(42.61339, -82.93285) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.7950 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Surrey, BC
Greater Vancouver Regional District
Canada 		190 St. / 68 Ave.
(49.12626, -122.69620) 		Roundabout
Existing 		Unknown
Unknown 		0 Approaches
0 Driveways
26.5731 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Amerige Heights, CA
Orange Co.
United States 		1919 W Malvern Ave
(33.87845, -117.96296) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
26.7721 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Calgary, AB
Division 6
Canada 		194 Ave. SE / Wolf Willow Blvd. SE
(50.87758, -114.00378) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Year Completed estimated (2017-2020).
Surrey, BC
Greater Vancouver
Canada 		194A St. / 73 Ave.
(49.13550, -122.68375) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2014
Farmington, MN
Dakota Co.
United States 		195th St. W / Akin Rd.
(44.66692, -93.17057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.4283 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Farmington, MN
Dakota Co.
United States 		195th St. W / Flagstaff Rd.
(44.66688, -93.19687) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.3742 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Farmington, MN
Dakota Co.
United States 		195th St. W / Pilot Knob Rd.
(44.66692, -93.17661) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.3742 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Lithonia, GA
DeKalb Co.
United States 		198 Kensington Circle
(33.67998, -84.09974) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
26.8342 		Other (At-Grade)
Single-Lane 		ICD estimated from Google Maps linework.
Bonney Lake, WA
Pierce Co.
United States 		198th Ave. E / Cascadia Blvd. E
(47.12299, -122.16688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6959 		Other (At-Grade)
Single-Lane 		2008 Fourth (southeast) leg added 2018. ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		19th Ave. / Union St.
(46.19220, -119.18040) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.2832 		Other (At-Grade)
Single-Lane 		2003 1/3 mile from school, primary bus and traffic route for the school, on school walking route, has adult crossing guards. Previously controlled by two-way stop Functional Class: Arterial 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.
Sartell, MN
Stearns Co.
United States 		19th Ave. S / 6th St. S
(45.60847, -94.24291) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.7881 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2015). ICD estimated from Google Maps linework.
Federal Way, WA
King Co.
United States 		19th Ave. SW / SW 353rd Pl.
(47.28501, -122.35852) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.9456 		Other (At-Grade)
Single-Lane 		2020
Panama City, FL
Bay Co.
United States 		19th St. / Balboa Ave.
(30.18251, -85.67456) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.8103 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		19th St. / Elm St. / (college parking)
(39.74672, -105.22134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.6305 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Oranjestad,

Aruba 		1A (Avenida Nelson O Oduber) / 8B (Avenida Edgar J Watty Vos) / 1A-1B (L G Smith Blvd.) / J E Irausquin Blvd.
(12.53233, -70.05375) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Turbo roundabout.
Coralville, IA
Johnson Co.
United States 		1st Ave. / Holiday Rd.
(41.69276, -91.56655) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.8896 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2002 Opened September 1, 2002. Previously controlled by one-way stop Functional Class: Collector ICD estimated from Google Maps linework.
Escalon, CA
San Joaquin Co.
United States 		1st Ave. / Riesling Way
(37.79437, -121.01140) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8755 		Other (At-Grade)
Single-Lane 		2000 Painted splitter islands. ICD estimated from Google Maps linework.
Ladysmith, BC
Vancouver Island Regional District
Canada 		1st Ave. / Symonds St.
(48.99727, -123.82330) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4258 		Other (At-Grade)
Single-Lane 		2000 First roundabout in British Columbia. Sponsored by ICBC. http://www.sustainability.ca/Docs/Transportation%20Case%20Studies-%20Technical%20Engineering%20Solutions.pdf?CFID=1123696&CFTOKEN=10586703 ICD estimated from Google Maps linework.
Bradenton, FL
Manatee Co.
United States 		1st Ave. E / (unknown)
(27.49736, -82.48657) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.3296 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2011
Altoona, IA
Polk Co.
United States 		1st Ave. N / 9th St. NW / NE 54th Ave.
(41.65860, -93.46447) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2022 https://littlevillagemag.com/altoona-1st-avenue-roundabout-woven-lines-sculpture/
Waverly, IA
Bremer Co.
United States 		1st Ave. NW / 8th St. NW
(42.72669, -92.48061) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.2167 		Other (At-Grade)
Single-Lane 		2005 Replaced "T" intersection at entry to Wartburg College school campus. ICD estimated from Google Maps linework.
Crown Hill, WA
King Co.
United States 		1st Ave. NW / NW 81st St.
(47.68767, -122.35797) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Crown Hill, WA
King Co.
United States 		1st Ave. NW / NW 82nd St.
(47.68839, -122.35799) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-Lane
Greenwood, WA
King Co.
United States 		1st Ave. NW / NW 83rd St.
(47.68911, -122.35799) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
15.2400 		Other (At-Grade)
Single-Lane
Cedar Rapids, IA
Linn Co.
United States 		1st Ave. NW / Wiley Blvd.
(41.96746, -91.72573) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022
Fort Dodge, IA
Webster Co.
United States 		1st Ave. S / 2nd Ave. S / 6th St.
(42.50361, -94.18974) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.7420 		Other (At-Grade)
Single-Lane 		2015 https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.
St James, MN
Watonwan Co.
United States 		1st Ave. S / 7th St. S
(43.98246, -94.62703) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
11.1720 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2017 ICD estimated from Google Maps linework.
St James, MN
Watonwan Co.
United States 		1st Ave. S / Armstrong Blvd. N
(43.98198, -94.62838) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
13.7502 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2017 ICD estimated from Google Maps linework.
Fort Dodge, IA
Webster Co.
United States 		1st Ave. S / S 12th St.
(42.50480, -94.18270) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.5340 		Other (At-Grade)
Single-Lane 		2016 https://www.messengernews.net/progress-2017/progress-2017-business/2017/02/crosstown-connector-completed/ ICD estimated from Google Maps linework.
Fort Riley, KS
Riley Co.
United States 		1st Division Rd. / Trooper Dr.
(39.10684, -96.79804) 		Rotary
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Single-Lane
Idaho Falls, ID
Bonneville Co.
United States 		1st St. / 45th St. E (Crowley Rd.)
(43.49621, -111.94440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Single-Lane 		2020 Designed to be expandable inward to dual lanes in the future.
Manistee, MI
Manistee Co.
United States 		1st St. / Beach Rd.
(44.24639, -86.34069) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.0728 		Other (At-Grade)
Single-Lane 		2014
Napa, CA
Napa Co.
United States 		1st St. / California Blvd.
(38.29823, -122.30024) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.3668 		Other (At-Grade)
Unknown 		2020 Completed April 2020. ICD estimated from Google Maps linework.
Berthoud, CO
Larimer Co.
United States 		1st St. / Mountain Ave. / CR 8-CR 56
(40.30540, -105.07433) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6997 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Napa, CA
Napa Co.
United States 		1st St. / SR 29 NB Ramps
(38.29884, -122.30117) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
31.8681 		Freeway Ramps (Grade-Separated)
Unknown 		2020 Completed April 2020. ICD estimated from Google Maps linework.
Rostov, Rostov
Rostov-on-Don
Russia 		1-ya Lugovaya ulitsa / Vsesoyuznaya ulitsa Ramps
(47.17377, 39.63932) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane
Perm, Perm
Perm
Russia 		1-ya Mulyanskaua ulitsa / Ocherskaya ulitsa / Tramvaynaya ulitsa / ulitsa Krasina
(58.00034, 56.13293) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x2 max)
Medicine Hat, AB
Division 1
Canada 		2 Ave. SE / 8 St. SE
(50.03145, -110.68217) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2024 https://medicinehatnews.com/news/local-news/2024/10/04/hurry-before-the-snow-city-road-construction-nears-finish-line-as-fall-weather-arrives/
High River, AB
Division 6
Canada 		2 Ave. SE / Hamptons Blvd. / Sunshine Trl.
(50.58111, -113.84114) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://highriveronline.com/articles/high-rivers-hamptons-south-roundabout-set-to-open-sunday
Surrey, BC
Greater Vancouver
Canada 		20 Ave. / Rotary Way / (parking lot)
(49.03845, -122.81781) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9690 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
High River, AB
Division 6
Canada 		20 St. NE / Hampton Hill Dr. / 2 Ave. NE
(50.58505, -113.83614) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://highriver.ca/community/town-services/engineering-design-major-projects/hamptons-bypass-project
Provo, UT
Utah Co.
United States 		200 West (Freedom Blvd.) / 920 South
(40.22177, -111.66230) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.5341 		Other (At-Grade)
Single-Lane 		2000 ICD estimated from Google Maps linework.
Orem, UT
Utah Co.
United States 		2000 South / Sandhill Rd.
(40.26074, -111.70420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7220 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Lynnwood, WA
Snohomish Co.
United States 		200th St. SW / (unknown)
(47.81664, -122.32998) 		Other
Existing 		Uncontrolled
Unknown 		2 Approaches
1 Driveways
27.4317 		Other (At-Grade)
Single-Lane
Syracuse, UT
Davis Co.
United States 		2019 W 1900 S
(41.08617, -112.06344) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.5029 		Other (At-Grade)
Single-Lane 		2006 Painted splitter islands with crosswalks that extend through the islands without a break in the painted islands. Year Completed estimated (2005-2008). ICD estimated from Google Maps linework.
Langley, BC
Greater Vancouver
Canada 		202 St. / Trans-Canada Hwy HOV Ramps
(49.16182, -122.66008) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.9920 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 Roundabout in between and below freeway lanes, serving HOV lanes via left-hand ramps on the freeway. Fourth leg (EB onramp and WB offramp) closed off. Year Completed estimated (2008-2013). ICD estimated from Google Maps linework.