Roundabouts Database

29372 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
Mount Pleasant, SC
Charleston Co.
United States 		Carolina Park Blvd. / Banning St. / Crane Creek Dr.
(32.89234, -79.76530) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0861 		Other (At-Grade)
Single-Lane 		2007 Unfinished (unpaved) but driveable in Nov 2007 (streetview). ICD estimated from Google Maps linework.
Guyton, GA
Effingham Co.
United States 		Central Blvd. / Springfield Ave.
(32.33029, -81.39279) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3673 		Other (At-Grade)
Single-Lane 		2018 https://www.wtoc.com/2018/09/25/guyton-roundabout-be-completed-by-december/. ICD estimated from Google Maps linework.
Tomball, TX
Harris Co.
United States 		Invergarry Way. / Newcourt Blvd.
(30.07099, -95.56441) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
80.7720 		Other (At-Grade)
Single-Lane 		Very large diameter; operates as four T-intersections.
San Marcos, CA
San Diego Co.
United States 		Rock Springs Rd. / Larchwood Dr.
(33.14705, -117.13669) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
18.9995 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Rock Springs Rd. / Richland Rd.
(33.14671, -117.13885) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
20.9996 		Other (At-Grade)
Single-Lane 		2011 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Santa Barbara Dr. / Treasure Dr.
(33.12251, -117.17275) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.0071 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
San Marcos, CA
San Diego Co.
United States 		Santa Barbara Dr. / Village Dr.
(33.12156, -117.17000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
23.0061 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Gardner, KS
Johnson Co.
United States 		E Grand St. / White Dr.
(38.80410, -94.91469) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1600 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Arborwalk Blvd. / SW Arborwalk Dr.
(38.85469, -94.40482) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.6224 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Arborwalk Blvd. / SW Arboridge Dr.
(38.85590, -94.41010) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.6918 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Arborwalk Blvd. / SW Arborway Dr.
(38.85615, -94.40007) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.4119 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Olathe, KS
Johnson Co.
United States 		Garmin Way / (parking garage)
(38.85794, -94.80139) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.0408 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Leawood, KS
Johnson Co.
United States 		Juniper St. / W 142nd Terr.
(38.87029, -94.64438) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.4752 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Longview Rd. / SW Sampson Rd.
(38.90564, -94.44194) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.8938 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Overland Park, KS
Johnson Co.
United States 		Indian Creek Pkwy. / W 105th St.
(38.93511, -94.63311) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.8768 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		NE Blackwell Rd. / NE Chipman Rd. / (parking lot)
(38.92333, -94.31850) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0961 		Other (At-Grade)
Single-Lane 		2010 Access to church parking lot. Year Completed estimated (2009-2010). ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Marshall Dr. / W 95th St. WB Connector
(38.95709, -94.73438) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.1492 		Other (At-Grade)
Single-Lane 		2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		Marshall Dr. / W 95th St. EB Connector
(38.95590, -94.73460) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.3636 		Other (At-Grade)
Single-Lane 		2016 Near diverging diamond interchange. https://www.ksdot.org/Assets/wwwksdotorg/Headquarters/PDF_Files/2016-11-28_ProjectUpdate12_Web_FINAL_FactSheet-LowRes.pdf . ICD estimated from Google Maps linework.
Shawnee, KS
Johnson Co.
United States 		Monticello Rd. / Clearcreek Pkwy.
(39.02437, -94.83942) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.3304 		Other (At-Grade)
Single-Lane 		2013 Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Kansas City, MO
Jackson Co.
United States 		Kensington Ave. / E 50th Terr.
(39.03375, -94.53396) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7595 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Fairbanks, AK
Fairbanks North Star Borough
United States 		Danby St. / Wembley Ave.
(64.85329, -147.75097) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
8.6278 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 http://dot.alaska.gov/nreg/danby-wembley/. Designed for OSOW vehicles to make movements between west and south legs, including reverse movements through right-turn bypass lanes. ICD estimated from Google Maps linework.
Homestead, FL
Miami-Dade Co.
United States 		Pacific Blvd. / Mediterranean Ave.
(25.47170, -80.43178) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.1906 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Cutler Bay, FL
Miami-Dade Co.
United States 		Old Cutler Rd. / SW 97th Ave.
(25.57105, -80.34683) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.2430 		Other (At-Grade)
Single-Lane 		2013 ICD estimated from Google Maps linework.
West Perrine, FL
Miami-Dade Co.
United States 		SW 102nd Ave. / SW 176th St.
(25.60593, -80.35702) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7717 		Other (At-Grade)
Single-Lane 		2015 Part of a pair of two closely spaced roundabouts replacing a single skewed all-way stop intersection. ICD estimated from Google Maps linework.
West Perrine, FL
Miami-Dade Co.
United States 		SW 102nd Ave. / W Hibiscus St.
(25.60633, -80.35663) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
21.5405 		Other (At-Grade)
Single-Lane 		2015 Part of a pair of two closely spaced roundabouts replacing a single skewed all-way stop intersection. ICD estimated from Google Maps linework.
Palmetto Bay, FL
Miami-Dade Co.
United States 		SW 82nd Ave. / SW 168th St.
(25.61461, -80.32458) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.3851 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Palmetto Bay, FL
Miami-Dade Co.
United States 		SW 168th St. / SW 87th Ave.
(25.61436, -80.33272) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.7700 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Palmetto Bay, FL
Miami-Dade Co.
United States 		SW 82nd Ave. / SW 160th St.
(25.62196, -80.32501) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.6915 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Sunset, FL
Miami-Dade Co.
United States 		SW 64th St. / SW 92nd Ave.
(25.70918, -80.34253) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2937 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		Hardee Rd. / Maynada St.
(25.71218, -80.27336) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.3693 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		Maynada St. / S Alhambra Cir.
(25.70666, -80.27317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.5224 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		Maynada St. / Alfonso Ave.
(25.70778, -80.27321) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2939 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Coral Gables, FL
Miami-Dade Co.
United States 		San Amaro Dr. / Certosa Ave. / Campo Sano Ave.
(25.72365, -80.28086) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.9752 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Miami, FL
Miami-Dade Co.
United States 		SW 27th Ave. / Tiger Tail Ave. / Day Ave.
(25.73169, -80.23754) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
31.2010 		Other (At-Grade)
Single-Lane 		2015 Peanut-shaped. Fiscus tree was moved from corner of 27th/Tigertail to one of the lobes during construction ( http://thegrove.americangrove.org/state-groves/floridagrove/photos/ficusflorida#.XdZiDnbPxuQ ). ICD estimated from Google Maps linework.
Miami, FL
Miami-Dade Co.
United States 		SW 15th Rd. / S Miami Ave.
(25.75869, -80.19413) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.7400 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Miami, FL
Miami-Dade Co.
United States 		SW 24th Ave. / SW 27th St.
(25.74190, -80.23385) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2887 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Miami Lakes, FL
Miami-Dade Co.
United States 		Palmetto Frontage Rd. / NW 89th Ave. / (school parking lot)
(25.90028, -80.34457) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.2310 		Other (At-Grade)
Single-Lane 		2005 Roundabout replaced a raindrop-shaped cul-de-sac. ICD estimated from Google Maps linework.
Miami Lakes, FL
Miami-Dade Co.
United States 		Miami Lakes Dr. W / NW 89th Ave.
(25.91334, -80.34499) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.7819 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Miami Gardens, FL
Miami-Dade Co.
United States 		NW 7th Ave. / NW 187th St. / NW 187th Dr.
(25.94583, -80.21337) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
15.0353 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Miami Gardens, FL
Miami-Dade Co.
United States 		NW 7th Ave. / NW 191st St.
(25.94947, -80.21353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.2566 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Miami Gardens, FL
Miami-Dade Co.
United States 		NW 7th Ave. / NW 194th Terr.
(25.95274, -80.21368) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.1822 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Davie, FL
Broward Co.
United States 		SW 36th St. (S Post Rd.) / SW 154 Ave. (Shotgun Rd.)
(26.07488, -80.35426) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.1103 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Sunrise, FL
Broward Co.
United States 		Sunset Strip / NW 64th Ave.
(26.15435, -80.23515) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.6569 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Sunrise, FL
Broward Co.
United States 		Sunset Strip / NW 19th St.
(26.15021, -80.23225) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.6578 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Deerfield Beach, FL
Broward Co.
United States 		SE 15th Ave. / SE 5th Ct. / SE 5th Pl.
(26.31070, -80.08453) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
23.5532 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (2000-2003). ICD estimated from Google Maps linework.
Deerfield Beach, FL
Broward Co.
United States 		SE 12th Ave. / SE 4th Ct.
(26.31207, -80.08756) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.6941 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (2000-2003). ICD estimated from Google Maps linework.
Deerfield Beach, FL
Broward Co.
United States 		SE 15th Ave. / SE 3rd Ct.
(26.31353, -80.08556) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5407 		Other (At-Grade)
Single-Lane 		2015 Elliptical shape. Year Completed estimated (2014-2015). ICD estimated from Google Maps linework.
Durham, NC
Durham Co.
United States 		NC 751 (Hope Valley Rd.) / University Dr.
(35.97016, -78.93241) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.1295 		Other (At-Grade)
Single-Lane 		2019 ICD estimated from Google Maps linework.
Roxboro, NC
Person Co.
United States 		Morgan St. / Long Ave.
(36.39587, -78.99129) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019
Pasco, WA
Franklin Co.
United States 		Road 44 / Cathedral Dr. / Madison Ave.
(46.26009, -119.14847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3326 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Pasco, WA
Franklin Co.
United States 		Madison Ave. / El Paso Dr.
(46.26159, -119.15215) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.0288 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Selah, WA
Yakima Co.
United States 		N Park Dr. / S Park Dr.
(46.66170, -120.52182) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.1476 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Medford, OR
Jackson Co.
United States 		N Cottage St. / Ohio St.
(42.34260, -122.88285) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.1932 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012). West leg religned to southwest 2016-2017. ICD estimated from Google Maps linework. 21442
Central Point, OR
Jackson Co.
United States 		Taylor Rd. / Silver Creek Dr.
(42.37467, -122.92876) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.0579 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		E Willox Ln. / (parking lots)
(40.61064, -105.07447) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.9203 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		E Lincoln Ave. / Cordova Rd. / (apartment access)
(40.58852, -105.05439) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.9999 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		Corbett Dr. / Council Tree Ave.
(40.52547, -105.02685) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.3132 		Other (At-Grade)
Single-Lane 		2007 Right-turn-only lane on south leg. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Moscow, ID
Latah Co.
United States 		E White Ave. / Joseph St. / Robinson Park Rd. / Notting Hill Dr.
(46.72564, -116.96826) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5668 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Hanley Ave. / N Cornwall St.
(47.73014, -116.82652) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.1333 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Coeur D'Alene, ID
Kootenai Co.
United States 		W Hanley Ave. / N Courcelles Pkwy.
(47.73020, -116.81799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9366 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Coeur d'Alene, ID
Kootenai Co.
United States 		W Princetown Ln. / Talon Ln. / W Newbrook Dr.
(47.74090, -116.83576) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.5520 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (1998-2004). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Syringa St.
(47.73046, -116.92663) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.9697 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		N Syringa St. / Bogie Dr.
(47.73373, -116.92700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5573 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		Poleline Ave. / N Spokane St.
(47.73053, -116.94794) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.3464 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Post Falls, ID
Kootenai Co.
United States 		E Poleline Ave. / N Idaho St.
(47.73053, -116.93738) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.6732 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Muskegon, MI
Muskegon Co.
United States 		Terrace Point Rd. / (parking lot access)
(43.24145, -86.25485) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.5812 		Other (At-Grade)
Single-Lane 		1996 Year Completed unknown (before 1997). ICD estimated from Google Maps linework.
Pleasant Hill, IA
Polk Co.
United States 		NE Rising Sun Dr. / NE 70 St.
(41.59524, -93.46732) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8341 		Other (At-Grade)
Single-Lane 		2019 https://www.pleasanthilliowa.org/projects ICD estimated from Google Maps linework.
Altoona, IA
Polk Co.
United States 		Adventureland Dr. / 34th Ave. SW
(41.65855, -93.50315) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2615 		Other (At-Grade)
Unknown 		2018 ICD estimated from Google Maps linework.
Altoona, IA
Polk Co.
United States 		NW Tallgrass Pkwy. / Prairie Fire NW
(41.65368, -93.50710) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.3407 		Other (At-Grade)
Single-Lane 		2018 ICD estimated from Google Maps linework.
Ames, IA
Story Co.
United States 		University Blvd. / Airport Rd. / Oakwood Rd.
(41.99735, -93.63922) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.3798 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 Free-flow right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Ames, IA
Story Co.
United States 		University Blvd. (530th Ave.) / Cottonwood Rd.
(41.99366, -93.63921) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
37.2812 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Ames, IA
Story Co.
United States 		University Blvd. (530th Ave.) / Collaboration Pl.
(41.99049, -93.63918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.3954 		Other (At-Grade)
Single-Lane 		2016 ICD estimated from Google Maps linework.
Cedar Rapids, IA
Linn Co.
United States 		Johnson Ave. NW / Wiley Blvd. NW
(41.97123, -91.72580) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
22.1990 		Other (At-Grade)
Single-Lane 		2018 http://www.cedar-rapids.org/local_government/departments_g_-_v/public_works/johnson_avenue_nw.php ICD estimated from Google Maps linework.
Grimes, IA
Polk Co.
United States 		NE Beaverbrooke Blvd. / NE Heritage Dr.
(41.70101, -93.78190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.0699 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Grimes, IA
Polk Co.
United States 		NE Beaverbrooke Blvd. / NE Park Dr. / NE Park St.
(41.70201, -93.78755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.0184 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States 		NW 70th Ave. / NW 107th St. (NE Edgewood Dr.)
(41.68834, -93.76342) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.2433 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States 		NW 70th Ave. / NW 100th St.
(41.68834, -93.75589) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.8109 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States 		NW 100 St. / NW 68th Ave.
(41.68333, -93.75594) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5705 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States 		NW 100th St. / Ashton Dr.
(41.67978, -93.75594) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5725 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Johnston, IA
Polk Co.
United States 		NW 100th St. / Newport Vista Dr.
(41.67795, -93.75591) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.6815 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Marion, IA
Linn Co.
United States 		6th Ave. / 15th St.
(42.03243, -91.59397) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Muscatine, IA
Muscatine Co.
United States 		Cedar St. / Logan St.
(41.43575, -91.06473) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.7570 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Ottumwa, IA
Wapello Co.
United States 		Wapello St. / Albia Rd. / N Ferry St.
(41.00821, -92.43239) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.9516 		Other (At-Grade)
Unknown 		2019 https://www.facebook.com/cityofottumwa/posts/10157576935583243?comment_id=10157577136173243&comment_tracking=%7B"tn"%3A"R"%7D ICD estimated from Google Maps linework.
Ottumwa, IA
Wapello Co.
United States 		N Ferry St. / Richmond Ave.
(41.00736, -92.43270) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.8280 		Other (At-Grade)
Unknown 		2018 Opened summer 2018. https://www.google.com/maps/d/viewer?mid=12miH60MU576dGTib4lVgSXtLX2U&hl=en&gl=us&ie=UTF8&oe=UTF8&msa=0&ll=41.0083054%2C-92.43248460000001&z=17 ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States 		S Scenic Dr. / Skyway Dr. / K-18 WB Ramps
(39.15547, -96.64423) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
74.0900 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2012-2013)/ ICD estimated from Google Maps linework.
Manhattan, KS
Riley Co.
United States 		S Scenic Dr / K-18 EB Ramps
(39.15310, -96.64301) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
57.4217 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2013 Raindrop shape. Year Completed estimated (2012-2013). ICD estimated from Google Maps linework.
Laramie, WY
Albany Co.
United States 		N 22nd St. / Cumulus Dr.
(41.33367, -105.56710) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4910 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016). ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Rossum Dr. / Mariana Hills Cir. / Mariana Ridge Ct.
(40.40225, -105.14134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017
Loveland, CO
Larimer Co.
United States 		Rossum Dr. / Cedar Valley Dr. / St. Andrews Dr.
(40.40005, -105.14791) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.0096 		Other (At-Grade)
Single-Lane 		No splitter islands. Completed before 1999. ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Cedar Valley Dr. / Deer Meadow Dr.
(40.40159, -105.15175) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
27.2852 		Other (At-Grade)
Single-Lane 		2003 Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		Taft Farms Pl. / Rangeland Ave.
(40.44756, -105.09726) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
59.0775 		Other (At-Grade)
Single-Lane 		2005 ICD estimated from Google Maps linework.
Johnstown, CO
Larimer Co.
United States 		Thompson Pkwy. / (parking lots)
(40.40506, -104.98335) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.7405 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2006 ICD estimated from Google Maps linework.
Billings, MT
Yellowstone Co.
United States 		Grand Ave. / 38th St. W
(45.78400, -108.61111) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.9757 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 Fourth leg stubbed. ICD estimated from Google Maps linework.
Nampa, ID
Canyon Co.
United States 		E Amity Rd. / S Robinson Blvd.
(43.56137, -116.49376) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.5418 		Other (At-Grade)
Single-Lane 		2019 Completed in May 2019. Initial build is 160' ICD, expandible outward to 2x1 (160'x180') in the future. ICD estimated from Google Maps linework.
Alexandria, MN
Douglas Co.
United States 		Hazel Hill Rd. SE / McKay Ave. S / 34th Ave. E
(45.86060, -95.35298) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.1013 		Other (At-Grade)
Single-Lane 		2017 https://www.voiceofalexandria.com/news/local/roundabout-should-be-finished-by-labor-day-weekend/article_f6af82d6-8c0d-11e7-a3f0-2b7a68b8879b.html ICD estimated from Google Maps linework.
Augusta, GA
Richmond Co.
United States 		Wheeler Rd. / Aumond Rd.
(33.48981, -82.05141) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.9052 		Other (At-Grade)
Single-Lane 		2019 https://www.wjbf.com/news/out-there-somewhere/out-there-somewhere-wrong-way-a-roundabout/ ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		W Woodside Ave. / N F St.
(47.72087, -117.45875) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2017
Spokane, WA
Spokane Co.
United States 		W Woodside Dr. / W Dell Dr.
(47.72059, -117.45289) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
78.7411 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		W Woodside Ave. / N Alberta St.
(47.71971, -117.44693) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.1223 		Other (At-Grade)
Single-Lane 		2017 ICD estimated from Google Maps linework.
Spokane, WA
Spokane Co.
United States 		S Cook St. / E 42nd Ave.
(47.61546, -117.37397) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		2004