Roundabouts Database

29867 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
Sarasota, FL
Sarasota Co.
United States 		Bee Ridge Rd. / Mauna Loa Blvd.
(27.29885, -82.44037) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
25.4715 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Farmingdale, NJ
Monmouth Co.
United States 		NJ-34 / NJ-35 / CR-547
(40.21926, -74.12851) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
100.3161 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Converted from rotary (signing/striping only; no geometric changes) in 2006-2007. ICD estimated from Google Maps linework.
San Juan Capistrano, CA
Orange Co.
United States 		Valle Rd. / La Novia Ave. / I-5 NB Ramps
(33.48816, -117.66316) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.8231 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Ramp meter on freeway on-ramp. ICD estimated from Google Maps linework.
Onalaska, WI
La Crosse Co.
United States 		STH 35 / Riders Club Rd. / Sunset Vista Rd.
(43.90711, -91.24497) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
43.0236 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Onalaska, WI
La Crosse Co.
United States 		STH 35 / Mason St.
(43.90999, -91.24578) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.3007 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Onalaska, WI
La Crosse Co.
United States 		Sand Lake Rd. / Riders Club Rd.
(43.90548, -91.22078) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.7692 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
La Crosse, WI
La Crosse Co.
United States 		Cass St / 7th St. S
(43.80876, -91.24707) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.8184 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Newport Beach, CA
Orange Co.
United States 		4500 MacArthur Blvd
(33.66699, -117.86353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8802 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
North Saanich, BC
Capital
Canada 		Willingdon Rd. / Electra Blvd.
(48.63765, -123.43312) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
55.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2012 Turbo roundabout with raised lane dividers for single multilane movement (southbound double left turn).
Liberty Twp, OH
Butler Co.
United States 		Princeton Rd. / Yankee Rd.
(39.39133, -84.38398) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.9975 		Other (At-Grade)
Single-Lane 		2017 Opened in August 2017. ICD estimated from Google Maps linework.
Telluride, CO
San Miguel Co.
United States 		CO-145 / CO-145 Spur
(37.95036, -107.87135) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.6712 		Other (At-Grade)
Single-Lane 		2013 Through bypass lane along top of T-intersection. Year Completed estimated (2011-2014). ICD estimated from Google Maps linework.
Airway Heights, WA
Spokane Co.
United States 		US 2 / Spokane Tribe Casino Entrance
(47.64293, -117.61009) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
49.0853 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Open 11/13/2017. Casino open on January 8, 2018. First multilane on a WSDOT facility in Eastern Region. ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		Freya St. / US 395 SB Ramps
(47.72328, -117.35776) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.1548 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012 Open August 2012. ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Jim Common Dr. N / Jim Common Dr. / Cranford Dr.
(53.54636, -113.29019) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
63.1577 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Range Road 233 / Balmoral Way / Clubhouse Dr.
(53.50231, -113.32021) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.4914 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Main Blvd. / Malvern Dr.
(53.53747, -113.31741) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
22.0034 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Main Blvd. / Marion Dr.
(53.53732, -113.31010) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.7132 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Summerwood Blvd. / (unknown)
(53.55987, -113.27155) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.5388 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2008). ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Summerwood Blvd. / Summercourt Way / Summerland Way
(53.55976, -113.26688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.8294 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Crimson Dr. / Campbell Dr. / Cranberry Way
(53.55245, -113.27615) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.2528 		Other (At-Grade)
Single-Lane 		2003 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Festival Way / Festival Ln.
(53.52632, -113.29936) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
26.2690 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Foxhaven Dr. / Foxhaven Way / Foxboro Dr.
(53.52770, -113.25251) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
22.0084 		Other (At-Grade)
Single-Lane 		2004 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Palisades Way / (parking lot)
(53.55476, -113.29823) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
1 Driveways
33.3463 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
(unincorporated), AB
Strathcona Co.
Canada 		Aspen Trl. / Amberley Way
(53.56170, -113.27985) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2014
(unincorporated), AB
Strathcona Co.
Canada 		Bethel Way / Bison Way
(53.55034, -113.30211) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2015
(unincorporated), AB
Strathcona Co.
Canada 		Buckingham Dr. / Broadview Dr.
(53.55028, -113.31260) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.7690 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Strathcona County, AB
Alberta
Canada 		Salisbury Way / (unknown)
(53.50992, -113.30184) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.1484 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N Hayden Rd. / N Northsight Blvd.
(33.62730, -111.89569) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.7344 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E Dove Valley Rd. / N 60th St.
(33.78470, -111.95199) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7500 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		St. Marys Rd. / Northstar Dr. / Lakefront Dr.
(32.44089, -84.91252) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.2782 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Single-lane except for two circulating lanes in one section (although fed by single-lane entries). ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		Schatulga Rd. / Corporate Ridge Pkwy.
(32.50364, -84.86957) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.2536 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		S Lumpkin Rd. / Chattahoochee Riverwalk
(32.40150, -84.95556) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.4194 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Columbus, GA
Muscogee Co.
United States 		14th St. / Front Ave.
(32.47244, -84.99457) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
20.1519 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N 94th St. / E Union Hills Dr.
(33.65465, -111.87864) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.8538 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		N 124th St / E Columbine Dr
(33.59817, -111.81338) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
16.9116 		Unknown
Single-Lane 		2006 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		E Columbine Dr. / N 122nd St.
(33.59757, -111.81675) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.8910 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		College Ave. / Salem Rd.
(35.08511, -92.47167) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.1381 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Siren, Village of, WI
Burnett Co.
United States 		STH 35 / STH 70
(45.81636, -92.36347) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.1060 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Porterville, CA
Tulare Co.
United States 		SR 190 / Road 284
(36.04752, -118.93725) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.5573 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Amity, AR
Clark Co.
United States 		Thompson St. / Main St.
(34.26479, -93.46106) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.3782 		Other (At-Grade)
Single-Lane 		Pedestrian access to center island; parking within circle. ICD estimated from Google Maps linework.
Springdale, AR
Washington Co.
United States 		Horn Ln. / Habberton Rd. / Don Tyson Pkwy.
(36.15149, -94.07702) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.3255 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Titan Rd. / Eagle River St.
(39.50721, -105.03658) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.6027 		Other (At-Grade)
Single-Lane 		2017 Roundabout has been constructed, but is not being fully utilized yet until the Sterling Ranch development is complete. ICD estimated from Google Maps linework.
Castle Rock, CO
Douglas Co.
United States 		Castle Rock Pkwy. / Promenade Pkwy. / I-25 SB Off-Ramp / I-25 NB Ramps
(39.42427, -104.87786) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.3611 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Ballston Lake, NY
Saratoga Co.
United States 		Round Lake Rd. / Chango Dr.
(42.93547, -73.81398) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
32.3526 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Malta, NY
Saratoga Co.
United States 		Round Lake Rd. / Raylinsky Rd.
(42.93576, -73.80841) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
34.1012 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Springdale, AR
Washington Co.
United States 		Don Tyson Pkwy. / Dearing Rd. / S 56th St.
(36.15378, -94.19304) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
77.1476 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Springdale, AR
Washington Co.
United States 		Don Tyson Pkwy. / Hylton Rd.
(36.15163, -94.08588) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.1829 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 ICD estimated from Google Maps linework.
Pleasant Dale, NE
Seward Co.
United States 		US 6-NE 2 / NE 103
(40.81385, -96.92977) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2012
Janesville, WI
Rock Co.
United States 		E Racine St. / I-90 WB-I-39 NB Ramps
(42.67077, -88.98221) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
55.3230 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Replaced cloverleaf interchange. ICD estimated from Google Maps linework.
Janesville, WI
Rock Co.
United States 		E Racine St. / I-90 EB-I-39 SB Ramps
(42.67098, -88.98493) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
51.8102 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Replaced cloverleaf interchange. ICD estimated from Google Maps linework.
Pojoaque, NM
Santa Fe Co.
United States 		Cities of Gold Rd / West Gutierrez Street
(35.88258, -106.01321) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
113.2172 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Albuquerque, NM
Bernalillo Co.
United States 		Indian School Rd. NW / Menaul Blvd. NW Extension
(35.11061, -106.66163) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2012
Ixonia, WI
Jefferson Co.
United States 		STH 16 / American St. (CTH F)
(43.14647, -88.59080) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.0551 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Rubicon, WI
Dodge Co.
United States 		STH 60 / CTH P
(43.32538, -88.45889) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.5730 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Newport, OR
Lincoln Co.
United States 		SE Marine Science Dr. / Hatfield Marine Science Center entrance / (parking lot)
(44.62304, -124.04677) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.0530 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		NW 108th St. / US 169 NB Ramps
(39.28944, -94.58446) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
41.5961 		Unknown
Multilane (2 Lane, unspecified) 		2013 Diamond interchange replaced signalized intersection. Series of three roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		NW 108th St. / US 169 SB Ramps
(39.28944, -94.58625) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
43.4449 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Diamond interchange replaced signalized intersection. Series of three roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		NW 108th St. / N Summit St.
(39.28953, -94.58976) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6717 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Series of three roundabouts. ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Congress Ave. / MO-152 WB On-ramp / NW 96th Terr.
(39.25531, -94.66793) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
55.4886 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Congress Ave. / MO-152 EB Off-ramp / N Serene Ave.
(39.25328, -94.66808) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.7908 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2005 ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		N Serene Ave. / NW Prairie View Rd.
(39.25268, -94.66677) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.5950 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		MO-45 (Tom Watson Pkwy.) / NW Union Chapel Rd. (MO K)
(39.21999, -94.73524) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
55.5165 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2010 ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		NW Union Chapel Rd. / NW Brink-Meyer Rd.
(39.21830, -94.73579) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.6842 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Kansas City, MO
Platte Co.
United States 		MO-45 (Tom Watson Pkwy.) / NW Brink-Myer Rd.
(39.22507, -94.75656) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
45.3352 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Riverside, MO
Platte Co.
United States 		Horizons Pkwy. / Argosy Casino Pkwy.
(39.15795, -94.64060) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
50.0090 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 ICD estimated from Google Maps linework.
Riverside, MO
Platte Co.
United States 		Argosy Casino Pkwy. / US 69 NB Ramps / NW Tremont Trafficway
(39.16237, -94.62502) 		Roundabout
Existing 		All-Way Yield
Unknown 		5 Approaches
0 Driveways
40.7455 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Kansas City, MO
Clay Co.
United States 		NW Briarcliff Pkwy. / MO-9 SB Ramps / NW Tullison Rd. / NW 38th St.
(39.16472, -94.59926) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
85.3440 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2012
Kansas City, MO
Clay Co.
United States 		NW Briarcliff Pkwy. / MO-9 NB Ramps / NW Platte Rd.
(39.16606, -94.59842) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
79.2480 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2012 Right-turn bypass lanes on north and east quadrants.
Smithville, MO
Clay Co.
United States 		MO-92 / S Commercial Ave.
(39.36881, -94.57949) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.9324 		Other (At-Grade)
Single-Lane 		2009 ICD estimated from Google Maps linework.
St Louis, MO
St. Louis Co.
United States 		N Forty Dr. / I-64-US 40 WB Ramps
(38.63631, -90.41822) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
50.3777 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
St Louis, MO
St. Louis Co.
United States 		S Forty Rd. / I-64-US 40 EB Ramps
(38.63496, -90.41724) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
48.5127 		Freeway Ramps (Grade-Separated)
Single-Lane 		2009 Frontage road connection replaced direct connection to S Spoede Rd. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Bass Ave. / S Williams St.
(38.94899, -92.31709) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
27.8651 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 WB On-Ramp
(38.96647, -92.35328) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
1 Driveways
35.2871 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 Replaced older roundabout that was built in 1996. ICD estimated from Google Maps linework.
Columbia, MO
Boone Co.
United States 		Business Loop 70 / I-70 EB Ramps / Interstate 70 Dr. SW
(38.96640, -92.35032) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.4304 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Tracy, CA
San Joaquin Co.
United States 		N Central Ave. / 6th St.
(37.73473, -121.42576) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.1698 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Santa Cruz, CA
Santa Cruz Co.
United States 		Pacific Ave. / Beach St.
(36.96282, -122.02388) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches) 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 Railroad tracks cut through part of circle. Separated two-way bicycle lane/cycle track along south side of intersection.
Ottawa, ON
Ottawa
Canada 		Barnstone Dr. / Cresthaven Dr.
(45.27323, -75.70859) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
28.5764 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Ottawa, ON
Ottawa
Canada 		Brian Coburn Blvd. / Mer Bleue Rd.
(45.44550, -75.49852) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.8687 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Ottawa, ON
Ottawa
Canada 		Campeau Dr. / Country Glen Way
(45.30270, -75.93268) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.8423 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Ottawa, ON
Ottawa
Canada 		Dundonald Dr. / River Mist Rd.
(45.24476, -75.73632) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.1134 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Madison, CA
Yolo Co.
United States 		SR 16 / CR 89
(38.68204, -121.96678) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019
Bloomington, IN
Monroe Co.
United States 		N Monroe St. / W 17th St. / W Arlington Rd.
(39.17914, -86.54712) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
1 Driveways
37.0325 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Sandpoint, ID
Bonner Co.
United States 		Schweitzer Cutoff Rd / N Boyer Ave
(48.30915, -116.55190) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017
Sandpoint, ID
Bonner Co.
United States 		N Boyer Ave / Larch St
(48.28018, -116.55663) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.9717 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		35th St. / Tower Terrace Rd.
(42.06130, -91.57655) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
31.9213 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Fourth leg is stubbed for future expansion. ICD estimated from Google Maps linework.
Mount Vernon, IA
Linn Co.
United States 		US-30 E / 10th Ave S
(41.91643, -91.42947) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
40.8813 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Mount Vernon, IA
Linn Co.
United States 		US-30 SE / IA-1(1st Ave S)
(41.91563, -91.42243) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
186.6343 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Peosta, IA
Dubuque Co.
United States 		Peosta St / NICC Dr
(42.44531, -90.84966) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
103.1146 		Other (At-Grade)
Single-Lane 		2012 Entrance to Northeast Iowa Community College ICD estimated from Google Maps linework.
(unincorporated), IA
Buchanan Co.
United States 		120th St. / Baxter Ave.
(42.61280, -92.05736) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2012 Rural with high-speed approaches.
Ankeny, IA
Polk Co.
United States 		SW Irvinedale Dr / NW Polk City Dr / SE Vintage Pkwy
(41.71706, -93.63888) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
49.9237 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Mason City, IA
Cerro Gordo Co.
United States 		Mohawk Boulevard / Mason City HS parking lots
(43.14796, -93.16502) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2013
Cedar Falls, IA
Black Hawk Co.
United States 		W Ridgeway Ave / Chancellor Dr
(42.47011, -92.45341) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.4535 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Ankeny, IA
Polk Co.
United States 		SW Cherry St / SW 11th
(41.71942, -93.60882) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
64.1853 		Other (At-Grade)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Ankeny, IA
Polk Co.
United States 		SW Campustown Ct
(41.71034, -93.61365) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
136.4130 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		Alburnett Rd / Tower Terrace
(42.05859, -91.61401) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.9034 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Heartland Dr. / Russell Dr.
(41.70007, -91.61160) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.9113 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		Ridgeway Dr / University Ct
(41.71577, -91.59998) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5520 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Coralville, IA
Johnson Co.
United States 		University Ct / University Pkwy
(41.71383, -91.60093) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5531 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
Janesville, IA
Bremer Co.
United States 		Barrick Rd. / US 218 SB Ramps
(42.64937, -92.45388) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012
Janesville, IA
Bremer Co.
United States 		Barrick Rd. / US 218 NB Ramps
(42.64935, -92.44918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012