Roundabouts Database

29554 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
(unincorporated), GA
Fulton Co.
United States 		Springbox Dr. / (unknown)
(33.64056, -84.63778) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
22.8692 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Lithonia, GA
DeKalb Co.
United States 		Klondike Rd. / Rockland Rd.
(33.67606, -84.11486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7927 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by two-way stop control ICD estimated from Google Maps linework.
Oroville, CA
Butte Co.
United States 		Montgomery St. / Washington Ave. / Table Mountain Blvd.
(39.51611, -121.54970) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8544 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		108th St. / Cactus Rd.
(33.59701, -111.84790) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.8652 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Anchorage, AK
Anchorage
United States 		Old Seward Hwy / Huffman Rd..
(61.10864, -149.86350) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.8158 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Estimated completion 2008. ICD estimated from Google Maps linework.
Sioux Falls, SD
Minnehaha Co.
United States 		Career Ave. / W Nobel St.
(43.59985, -96.78073) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008 Right-turn-only lane on north leg; added lane right-turn bypass lane on east leg. ICD estimated from Google Earth.
St. Simons, GA
Glynn Co.
United States 		Demere Rd. / Frederica Rd.
(31.15957, -81.38859) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.9249 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Kennewick, WA
Benton Co.
United States 		Gage Blvd. / Center Pkwy.
(46.22710, -119.23120) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6169 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Bethlehem, NY
Albany Co.
United States 		Krumkill Rd. / Schoolhouse Rd. (CR 204)
(42.66450, -73.84795) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
33.3728 		Other (At-Grade)
Single-Lane 		2008 South entrance built for a road that was subsequently rejected Previously controlled by two-way stop Functional Class: Minor Arterial ICD estimated from Google Maps linework.
White Lake, MI
Oakland Co.
United States 		Cooley Lake Rd. / Oxbow Lake Rd.
(42.61351, -83.49105) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.1581 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Plainfield, IN
Hendricks Co.
United States 		Center St. / Hadley Rd.
(39.67456, -86.38951) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17 ICD estimated from Google Maps linework.
Plainfield, IN
Hendricks Co.
United States 		Center St. / Reeves Rd.
(39.68183, -86.38995) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 http://www.indystar.com/apps/pbcs.dll/article?AID=/20071003/LOCAL/710030465/-1/LOCAL17
Noblesville, IN
Hamilton Co.
United States 		Town and Country Blvd. / Mercantile Blvd.
(40.03249, -85.99366) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 Painted spirals next to central island. http://www.cityofnoblesville.org/egov/docs/1175265649_138275.pdf
Commerce, MI
Oakland Co.
United States 		Bogie Lake Rd. / Cooley Lake Rd.
(42.61317, -83.49239) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.7635 		Other (At-Grade)
Single-Lane 		2008 Yield-controlled right=turn bypass lanes on south and west legs. ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 179 / Schnebly Hill Rd.
(34.86222, -111.76160) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.2593 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 179 / Canyon Dr.
(34.85572, -111.76410) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.4616 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 179 / Arrow Dr. / Morgan Rd.
(34.84826, -111.76610) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.3449 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 179 / Chapel Rd.
(34.83283, -111.77690) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4296 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 179 / Back O'Beyond Rd.
(34.82644, -111.77870) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.4710 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Oak Creek, AZ
Yavapai Co.
United States 		AZ 179 / Bell Rock Blvd.
(34.78895, -111.76310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3873 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Oak Creek, AZ
Yavapai Co.
United States 		AZ 179 / Cortez Dr.
(34.78019, -111.76310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4097 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Oak Creek, AZ
Yavapai Co.
United States 		AZ 179 / Verde Valley School Rd. / Jacks Canyon Rd.
(34.77741, -111.76310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.5058 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Oak Creek, AZ
Yavapai Co.
United States 		AZ 179 / Ridge Trl.
(34.77321, -111.76410) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.3554 		Other (At-Grade)
Single-Lane 		2008 http://www.scenic179.com/ ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		100th St. / Cactus Rd.
(33.59706, -111.86530) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.8341 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Scottsdale, AZ
Maricopa Co.
United States 		104th St. / Cactus Rd.
(33.59700, -111.85660) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.8341 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 89A / AZ 179
(34.86597, -111.76370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.1774 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Sedona, AZ
Coconino Co.
United States 		AZ 89A / Brewer Rd.
(34.86599, -111.76500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.2376 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Clarkdale, AZ
Yavapai Co.
United States 		AZ 89A / Cement Plant Rd. / Clarkdale Pkwy.
(34.76220, -112.06416) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Series of 5 roundabouts. Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2007-2009).
Los Alamos, NM
Los Alamos Co.
United States 		Diamond Dr. / San Ildefonso Rd.
(35.89893, -106.29866) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.0241 		Other (At-Grade)
Single-Lane 		2008 Redesign of existing traffic circle; previously controlled by 1 stop, 3 yields. Right-turn bypass lanes on west and east legs. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
(unincorporated), MI
Livingston Co.
United States 		Kensington Rd. / Jacoby Rd.
(42.55436, -83.69828) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010).
Muskegon, MI
Muskegon Co.
United States 		W. Western Ave. / 3rd St.
(43.23536, -86.25337) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3635 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Bend, OR
Deschutes Co.
United States 		NE 18th St. / Cooley Rd.
(44.11047, -121.27940) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5914 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Only two legs to open initially - full operation in 2008. ICD estimated from Google Maps linework.
Howard, WI
Brown Co.
United States 		Glendale Ave. / Hillcrest Heights
(44.56551, -88.09801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9305 		Other (At-Grade)
Single-Lane 		2008 Opened August 1, 2008. ICD estimated from Google Maps linework.
Woodland, CA
Yolo Co.
United States 		Gum Ave. / Bourn Dr.
(38.66820, -121.74710) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
64.3428 		Other (At-Grade)
Single-Lane 		2008 Built as temporary in 2002. Temporary removed in 2008 and converted to AWSC. Previously controlled by two-way stop Functional Class: Collector 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
(unincorporated), OR
Clackamas Co.
United States 		SW Stafford Rd. / SW Borland Rd.
(45.37472, -122.70240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.6945 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Acworth-Kennesaw, GA
Cobb Co.
United States 		W Sandtown Rd. / Villa Rica Rd.
(33.92703, -84.63775) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2008
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / Grand Blvd.
(39.97366, -86.14984) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.3880 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 ICD estimated from Google Maps linework.
Canmore, AB
Central Alberta
Canada 		Three Sisters Pkwy. / Stewart Creek Dr.
(51.05031, -115.31370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.7860 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
De Pere, WI
Brown Co.
United States 		Grant St. (CTH EE) / Lawrence Dr.
(44.44511, -88.09367) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.8430 		Other (At-Grade)
Single-Lane 		2008 Opened September 30, 2008. ICD estimated from Google Maps linework.
Culloden, GA
Monroe Co.
United States 		SR 7-US 341 / SR 74
(32.87954, -84.09019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1175 		Other (At-Grade)
Single-Lane 		2008 Functional Class: Rural ICD estimated from Google Maps linework.
Topeka, KS
Shawnee Co.
United States 		45th St. / Croco Rd.
(38.98618, -95.61436) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.4174 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
New Berlin, WI
Waukesha Co.
United States 		Moorland Rd. (CTH O) / I-43 SB Ramps
(42.95341, -88.10897) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
67.3087 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2008 Opened November 2008. ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		Old Meridian St. / Guilford Ave.
(39.98255, -86.14163) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2008 Right-turn-only lane on southeast leg. Painted spirals next to central island.
Oconomowoc, WI
Waukesha Co.
United States 		Wisconsin Ave. / Walnut St.
(43.10956, -88.49469) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6205 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened August 15, 2008. ICD estimated from Google Maps linework.
Lannon, WI
Waukesha Co.
United States 		STH 74 (Main St.) / CTH V (Townline Dr.) / McLaughlin Rd.
(43.13902, -88.18408) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.3459 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened November 15, 2008. ICD estimated from Google Maps linework.
Dodgeville, WI
Iowa Co.
United States 		US 18 / Bennett Rd.
(42.96960, -90.11338) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6954 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened October 7, 2008. ICD estimated from Google Maps linework.
Cowichan Lake, BC
Cowichan Valley Regional District
Canada 		King George St. / Cowichan Ave. / Sahtlam Ave.
(48.82261, -124.05280) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2005-2011).
Junction City, KS
Geary Co.
United States 		East St. / E Chestnut St. / Frontage Rd. / I-70 WB Exit Ramp
(39.02176, -96.81661) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
64.0077 		Other (At-Grade)
Single-Lane 		2008 Completed November 2008 (?).
Lower Frederick Township, PA
Montgomery Co.
United States 		SR 29 (Gravel Pike) / SR 73 (Big Rd.)
(40.27733, -75.48040) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
3 Driveways
46.4703 		Other (At-Grade)
Single-Lane 		2008 Asphalt construction. Design for future multilane retrofit. Previously controlled by flashing beacon Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Keene, NH
Cheshire Co.
United States 		Rte. 101 / Winchester St.
(42.92247, -72.29079) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4713 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Ogden, UT
Weber Co.
United States 		Tyler Ave. / University Cir.
(41.19333, -111.94780) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.8476 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Completed July 2008. On campus of Weber State University. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Ogden, UT
Weber Co.
United States 		Tyler Ave. / 41st St.
(41.19035, -111.94770) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.1530 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Completed July 2008. On campus of Weber State University. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Tigard, OR
Washington Co.
United States 		SW Barrows Rd. / SW Roshak Rd. / (parking lot)
(45.42692, -122.84486) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4989 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Farmington Hills, MI
Oakland Co.
United States 		14 Mile Rd. / Farmington Rd.
(42.52785, -83.37922) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
29.0452 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Functional Class: Arterial ICD estimated from Google Maps linework.
Newnan, GA
Coweta Co.
United States 		E Broad St. / Lower Fayetteville Rd. / Greison Trl. / E Newman Rd.
(33.36807, -84.77920) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008 Opened Oct. 28, 2008. $520,838 construction cost.
Lawrenceville, GA
Gwinnett Co.
United States 		Arnold Rd. / Hutchins Rd.
(33.90213, -84.05066) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.6775 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
(unincorporated), IA
Blackhawk Co.
United States 		Independence Ave. (IA 281) / Raymond Rd. (V49)
(42.49790, -92.21953) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.7456 		Other (At-Grade)
Single-Lane 		2008 Opened Octboer 29, 2008. First roundabout in Iowa with 55mph approaches. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Billings, MT
Yellowstone Co.
United States 		King Ave. / Olympic Blvd.
(45.75507, -108.61360) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.1658 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Near Kohl's retail shopping center. Previously controlled by one-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Meridian, ID
Ada Co.
United States 		Pine St. / Webb Rd.
(43.61220, -116.36840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.9126 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
Flagstaff, AZ
Coconino Co.
United States 		Pine Cliff Dr. / Gemini Dr.
(35.20808, -111.63541) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2008 By developer.
Bloomington, IN
Monroe Co.
United States 		W Tapp Rd. / S Adams St.
(39.13650, -86.55431) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.4967 		Other (At-Grade)
Single-Lane 		2008 No truck apron and wide circulatory roadway. ICD estimated from Google Maps linework.
West Lafayette, IN
Tippicanoe Co.
United States 		McClure Ave. / Win Hentschel Blvd.
(40.46592, -86.92810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
59.0613 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		W. 136th St. / Ditch Rd.
(39.98478, -86.18355) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2650 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		W. 141st St. / Ditch Rd.
(39.99198, -86.18353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.6006 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Carmel, IN
Hamilton Co.
United States 		W. 141st St. / Springmill Rd.
(39.99215, -86.16481) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.5156 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Valparaiso, IN
Porter Co.
United States 		Laporte Ave. / Sturdy Rd.
(41.46645, -87.03669) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2008 Right-turn-only lanes on west, east, and south legs.
Topeka, KS
Shawnee Co.
United States 		SW 21st St. / Urish Rd.
(39.02899, -95.78088) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Completed November 2008. 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.
Rio Puerco, NM
Bernalillo Co.
United States 		Central Ave. / I-40 EB Ramps
(35.03048, -106.94750) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
68.4580 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Owned by New Mexico DOT. Previously controlled by stop control ICD estimated from Google Maps linework.
Forest Hill, MD
Harford Co.
United States 		MD 23 / Commerce Rd.
(39.57390, -76.37067) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2008 On August 9, 2008 a new roundabout opened on Maryland Route 23 and an extended Commerce Drive in Forest Hill (Harford County), Maryland. It was built by a private developer to improve access to the Forest Hill Industrial Park by using Route 23, a limited access highway, rather than the current access road to Commerce Drive, Jarrettsville Road, which is primarily a residential route.
Cabazon, CA
Riverside Co.
United States 		Apache Trl. / I-10 EB Ramps
(33.92071, -116.80680) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		3 Approaches
0 Driveways
54.5087 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2008 Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html. Railroad in close proximity. ICD estimated from Google Maps linework.
Cabazon, CA
Riverside Co.
United States 		Apache Trl. / Thunder Rd. / Seminole Dr. / I-10 WB Ramps
(33.92192, -116.80610) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
79.2480 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2008 Opened July 11, 2008. http://www.pe.com/localnews/rivcounty/stories/PE_News_Local_S_circle21.46d763e.html.
West Fargo, ND
Cass Co.
United States 		CR 17 / 52nd Ave S.
(46.80409, -96.90268) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.5982 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Riverton, KS
Cherokee Co.
United States 		US 69 Alt / K-66 / Beasley Rd.
(37.07561, -94.71608) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.1730 		Other (At-Grade)
Single-Lane 		2008 Opened December 2008. Previously controlled by two-way stop ICD estimated from Google Maps linework.
Lawrence, KS
Douglas Co.
United States 		McDonald Dr. / I-70 WB Ramps
(38.99075, -95.25724) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
66.8368 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 Opened November 2008. Replaced trumpet interchange. ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Bird Rock Ave. / Chelsea Ave.
(32.81540, -117.27162) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
13.7160 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Earth.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Forward St.
(32.81379, -117.26950) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
22.0827 		Other (At-Grade)
Single-Lane 		2008 Series of 5 roundabouts. ICD estimated from Google Maps linework.
Fairfield Township, OH
Butler Co.
United States 		Hamilton Mason Rd. / Liberty Fairfield Rd.
(39.37527, -84.48046) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.6219 		Other (At-Grade)
Single-Lane 		2008 Since completion, has reduced accidents by 80%. Replaced two offset T intersections. Previously controlled by two-way stop Functional Class: Major Collector ICD estimated from Google Maps linework.
Grass Valley, CA
Nevada Co.
United States 		E. Main St. / Idaho-Maryland Rd. / SR 20 WB Ramps
(39.22168, -121.05380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2008 Yield-controlled right-turn bypass lane on north leg with very shallow angle. Left-turn-only lane on east leg.
Morro Bay, CA
San Luis Obispo Co.
United States 		Morro Bay Blvd. / Quintana Rd.
(35.36641, -120.84100) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
31.1659 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Hermosa Ave. / Forward St.
(32.81402, -117.26840) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.0939 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Bird Rock Ave.
(32.81559, -117.27060) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.0785 		Other (At-Grade)
Single-Lane 		2008 Series of 5 roundabouts. ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		La Jolla Blvd. / Camino de la Costa
(32.81756, -117.27190) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
23.0854 		Other (At-Grade)
Single-Lane 		2008 Series of 5 roundabouts. ICD estimated from Google Maps linework.
Orange, CA
Orange Co.
United States 		Riverbend Pkwy. / Shadyvale St.
(33.83915, -117.85510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7445 		Other (At-Grade)
Single-Lane 		2008 Functional Class: Local ICD estimated from Google Maps linework.
Colonie, NY
Albany Co.
United States 		Sand Creek Rd. / Colonie Ct.
(42.71318, -73.80853) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3670 		Other (At-Grade)
Single-Lane 		2008 4 legs, one for planned future road. Completion year of 2008 is approximate. Functional Class: Minor Arterial ICD estimated from Google Maps linework.
Emporia, KS
Lyon Co.
United States 		(connector to US 50) / I-35 Ramps
(38.41494, -96.22918) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
97.5360 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 New interchange configuration. Elliptical shaped. ICD = 320 ft x 270 ft. Constructed initially as half double-lane, half triple-lane. Opened November 2008.
Emporia, KS
Lyon Co.
United States 		US 50 / (connector to I-35)
(38.41225, -96.22947) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
79.2480 		Other (At-Grade)
Single-Lane 		2008 New interchange configuration. Half double-lane, half triple-lane. Opened November 2008. Modified 2011-2013 to reduce lanes. NCHRP Synthesis 488. 21442
Fullerton, CA
Orange Co.
United States 		Valencia Mesa Dr. / Laguna Rd.
(33.89254, -117.92960) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
18.8365 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by two-way stop Functional Class: Collector ICD estimated from Google Maps linework.
La Quinta, CA
Riverside Co.
United States 		Seeley Dr. / (unknown)
(33.72054, -116.29200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.8083 		Other (At-Grade)
Single-Lane 		2008 Functional Class: Collector ICD estimated from Google Maps linework.
Lenexa, KS
Johnson Co.
United States 		95th St. / Monticello Rd.
(38.95639, -94.84403) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
37.1496 		Other (At-Grade)
Single-Lane 		2008 Previously controlled by one-way stop ICD estimated from Google Maps linework.
Merriam, KS
Johnson Co.
United States 		Carter St. / Turkey Creek Dr.
(39.00353, -94.69585) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.7718 		Other (At-Grade)
Single-Lane 		2008 Built for new development. ICD estimated from Google Maps linework.
Noblesville, IN
Hamilton Co.
United States 		Harrell Pkwy. / Cabela Pkwy.
(39.99230, -85.93597) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.9404 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
(unincorporated), AB
Rocky View
Canada 		Hwy 8 / Hwy 22
(51.02355, -114.46660) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
61.6012 		Other (At-Grade)
Single-Lane 		2008 Rural. Asphalt surface. http://www.infratrans.gov.ab.ca/ Previously controlled by one-way stop Functional Class: Provincial Hwy ICD estimated from Google Maps linework.
Bountiful, UT
Davis Co.
United States 		Main St. / 1500 South / 200 West
(40.87477, -111.88570) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
27.9955 		Other (At-Grade)
Single-Lane 		2008 Construction is concrete. Functional Class: Collector ICD estimated from Google Maps linework.
Howard, WI
Brown Co.
United States 		Glendale Ave. / Evergreen Ave.
(44.57615, -88.11939) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9252 		Other (At-Grade)
Single-Lane 		2008 Opened November 2008. ICD estimated from Google Maps linework.
Waynesville, NC
Haywood Co.
United States 		Hyatt Creek Rd. / US 23-US 74 SB Ramps
(35.46494, -83.01322) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.1551 		Freeway Ramps (Grade-Separated)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 137th Ave. / NE 49th St.
(45.65733, -122.53190) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
40.0691 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 Opened January 2008. ICD estimated from Google Maps linework.
Clarksville, MD
Howard Co.
United States 		Brighton Dam Rd. / Ten Oaks Rd.
(39.20491, -76.95455) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
35.1680 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		Bruce St. / Farris Rd.
(35.08129, -92.46307) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
40.0719 		Other (At-Grade)
Single-Lane 		2008 Adjacent to University of Central Arkansas Campus and Sports Venues. Functional Class: Arterial ICD estimated from Google Maps linework.