Roundabouts Database

15316 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
Donvale, VIC

Australia 		Tindals Rd. / Stintons Rd.
(-37.77160, 145.19942) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane) 		Left-turn bypass lane on southeast leg.
Greenfields, WA
Mandurah
Australia 		Mandurah Rd. / Mandjoogoordap Dr. / Exchequer Ave.
(-32.51936, 115.75063) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane) 		Left-turn bypass lanes on south and west legs.
Leonay, NSW

Australia 		Russel St. / Leonay Parade / M4 WB Ramps
(-33.75985, 150.65214) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Single-Lane 		Left-turn only lane on east leg.
Toongabbie, NSW
Parramatta
Australia 		Station Rd. / Fitzwilliam Rd. / Wentworth Ave.
(-33.78414, 150.95428) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on east leg.
Callemondah, QLD
Gladstone
Australia 		SR 58 (Port Curtis Way) / Red Rover Rd.
(-23.84971, 151.22512) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on east leg.
Matamata, Waikato
Matamata-Piako
New Zealand 		SH 24 (Broadway) / SH 27 (Waharoa Rd. W - Firth St.) / Peria Rd.
(-37.80851, 175.77070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on east leg.
East Little Rock, AR
Pulaski Co.
United States 		E 9th St. / Picton St. / Concord Ave.
(34.73856, -92.23172) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane) 		2013 Left-turn-only lane on north leg; spiral marking in circulatory roadway.
Palmerston North, Wanganui-Manawatu
Manawatu
New Zealand 		SH 54 (Kimbolton Rd. - Aorangi St.) / Kimbolton Rd. / Aorangi St.
(-40.22497, 175.56715) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on northeast leg.
Risdon, TAS
Clarence
Australia 		B32 (E Derwent Hwy.) / C324 (Grasstree Hill Rd.)
(-42.81190, 147.33568) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on southeast leg.
Newton, SA
Campbelltown
Australia 		Montacute Rd. / Stradbroke Rd.
(-34.88648, 138.69194) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lane on west leg.
Queenstown, Otago
Queenstown Lakes
New Zealand 		Lucas Pl. / Robertson St. / Riverside Rd. / Hawthorne Dr.
(-45.02588, 168.74015) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lanes on all four legs.
Redcliffe, QLD
Moreton Bay
Australia 		Klingner Rd. / Ashmole Rd.
(-27.22087, 153.09885) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lanes on all legs.
Rosebud, VIC
Mornington Peninsula
Australia 		Eastbourne Rd. / Jetty Rd.
(-38.36791, 144.90871) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lanes on north and south legs.
Forster, NSW
Mid-Coast
Australia 		The Lakes Way / Cape Hawke Dr. / King George Parade
(-32.21358, 152.52526) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lanes on north and south legs.
Nelson, Nelson
Nelson
New Zealand 		Whakatu Dr. (SH 6) / Quarantine Rd.
(-41.29984, 173.24025) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane) 		Left-turn-only lanes on southwest and northwest legs.
Masterton, Wellington Region
Masterton
New Zealand 		SH 2 (Chapel St. - Opaki Rd.) / Queen St. / Dixon St.
(-40.94640, 175.66718) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Left-turn-only lanes on three legs.
Mesa, AZ
Maricopa Co.
United States 		E Main St. / Horne St.
(33.41510, -111.81406) 		Roundabout
Existing 		All-Way Yield
Other 		4 Approaches
0 Driveways
35.8887 		Other (At-Grade)
Multilane (2 Lane) 		2018 Light rail line through middle of roundabout. ICD estimated from Google Maps linework.
Salt Lake City, UT
Salt Lake Co.
United States 		South Campus Dr. / Center Campus Dr.
(40.75968, -111.84490) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling all approaches) 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2003 Light rail runs through center of roundabout. Gates on both circulatory roadway and on east and west approaches.
Hodgenville, KY
Larue Co.
United States 		Lincoln Blvd / Main St
(37.57375, -85.74035) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
4 Driveways
53.9555 		Other (At-Grade)
Single-Lane 		2007 Lincoln Square Circle Monument in center island (pedestrian access allowed) -- Hodgenville is the birthplace of Abraham Liincoln. ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / US 23 SB Ramps
(42.50605, -83.75954) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.8600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2006 Linked with Lee Rd/Whitmore Lake Rd roundabout. Previously controlled by one-way stop control ICD estimated from Google Maps linework.
Brighton, MI
Livingston Co.
United States 		Lee Rd. / Whitmore Lake Rd.
(42.50627, -83.76012) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.2622 		Other (At-Grade)
Multilane (2 Lane) 		2006 Linked with US 23 SB Ramps/Lee Rd. roundabout. Functional Class: Arterial ICD estimated from Google Maps linework.
Fairfield, OH
Butler Co.
United States 		Seward Rd. / Kohn Dr.
(39.31476, -84.49520) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
20.3285 		Other (At-Grade)
Single-Lane 		1997 Little deflection for northbound through movement. Year Completed estimated (1994-2000). ICD estimated from Google Maps linework.
Springville, UT
Utah Co.
United States 		400 S / 1300 E / Canyon Dr.
(40.16084, -111.58691) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
42.8993 		Other (At-Grade)
Single-Lane 		2014 Little deflection for northbound through movement. Yield-controlled right-turn bypass lane on south leg. ICD estimated from Google Maps linework.
Tsawwassen, BC
Greater Vancouver
Canada 		Crescent Dr. / Westminster Ave.
(49.10197, -123.07218) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.0000 		Other (At-Grade)
Single-Lane 		Little entry deflection. Year Completed unknown (before 2003).
Carlisle, MA
Middlesex Co.
United States 		Westford St. / Lowell St. / Bedford Rd.
(42.52918, -71.34894) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
2 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		Little to no entry deflection, but otherwise functioning as roundabout. Unknown Year Completed (well before 1995). ICD estimated from Google Earth.
Arvada, CO
Jefferson Co.
United States 		W 66th Ave. / W 66th Dr.
(39.81516, -105.17026) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.6867 		Other (At-Grade)
Single-Lane 		2007 Located 35 feet from adjacent stop-controlled intersection. No buffers between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Arnold, MO
Jefferson Co.
United States 		Astra Way / Missouri State Rd.
(38.44301, -90.40168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1589 		Other (At-Grade)
Single-Lane 		2012 Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
Farmington, UT
Davis Co.
United States 		N Station Pkwy. / Crescent Way. / N 850 W / W Union Ave.
(40.98527, -111.90704) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
55.8975 		Other (At-Grade)
Multilane (2 Lane) 		2012 Located at a commuter rail station. Year Completed estimated (2011-2013). ICD estimated from Google Maps linework.
Billings, MT
Yellowstone Co.
United States 		Hwy 3 / 27th St. / Airport Rd.
(45.80209, -108.53540) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7937 		Other (At-Grade)
Multilane (2 Lane) 		2009 Located at Billings airport. Functional Class: Principal Arterial ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		Prince St. / Western Ave.
(35.09203, -92.45590) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.7935 		Other (At-Grade)
Multilane (2 Lane) 		2007 Located at Entrance to High School Complex Previously controlled by two way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Windsor, CT
Hartford Co.
United States 		Prospect Hill Rd. / Lang Rd.
(41.89153, -72.69762) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
25.7830 		Other (At-Grade)
Single-Lane 		1998 Located at entrance to industrial park. Year Completed estimated (1992-2004). ICD estimated from Google Maps linework.
Los Angeles, CA
Los Angeles Co.
United States 		Ignation Cir. / Loyola Blvd.
(33.96856, -118.41666) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
21.7912 		Other (At-Grade)
Single-Lane 		Located at Loyola Marymount University. Two stop signs, one uncontrolled. ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Chopper Cir. / VIP Parking / 9th St. / Access Rd
(39.74721, -105.00810) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.3424 		Other (At-Grade)
Single-Lane 		1999 Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework.
Guelph, ON
Wellington County
Canada 		Summerfield Dr. / Colonial Dr.
(43.51809, -80.18253) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.4466 		Other (At-Grade)
Single-Lane 		2001 Located in Pine Ridge East residenital subdivision Functional Class: Collector ICD estimated from Google Maps linework.
Garner, NC
Wake Co.
United States 		Shenstone Blvd. / Carillon Dr.
(35.69324, -78.58185) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
32.0092 		Other (At-Grade)
Single-Lane 		2003 Located in White Oak Crossing strip mall. Under construction June, 2002 per Google Earth. ICD estimated from Google Maps linework.
Newberg, OR
Yamhill Co.
United States 		N Springbrook Rd. / Crestview Dr. / (future leg)
(45.31532, -122.94593) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
55.4306 		Other (At-Grade)
Single-Lane 		2007 Located near Portland and Western railroad crossing. Replaced offset T-intersections. ICD estimated from Google Maps linework.
Nashua, NH
Hillsborough Co.
United States 		Main St. / Daniel Webster Hwy
(42.73881, -71.45826) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.4557 		Other (At-Grade)
Single-Lane 		2003 Located near Rivier College, 1/4 mile north of Exit 3 of the Everett Turnpike. ICD estimated from Google Maps linework.
Raleigh, NC
Wake Co.
United States 		Pullen Rd. / Stinson Dr.
(35.78457, -78.66421) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
19.3773 		Other (At-Grade)
Single-Lane 		2002 Located on campus of North Carolina State University. Completed November 2002. Used to have Pedestrian signal located upstream of roundabout (removed in 2006) Previously controlled by one-way stop Functional Class: Local ICD estimated from Google Maps linework.
Port Salerno, FL
Martin Co.
United States 		Old Dixie Hwy / St. Lucie Blvd. / SE Manatee Ln.
(27.14908, -80.20197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8195 		Other (At-Grade)
Single-Lane 		2002 Long oval. ICD estimated from Google Maps linework.
Port Salerno, FL
Martin Co.
United States 		SE Salerno Rd. / SE Martin Meadows Ave. / (unknown) / (unknown)
(27.13707, -80.21922) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
38.2628 		Other (At-Grade)
Single-Lane 		2009 Long oval. ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		CR 9 / CR 30
(40.46569, -105.02033) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.7110 		Other (At-Grade)
Single-Lane 		2009 Long splitter islands. Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Fort Collins, CO
Larimer Co.
United States 		CR 30 / CR 11 (S Timberline Rd.)
(40.46567, -105.03951) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.5283 		Other (At-Grade)
Single-Lane 		2015 Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Loveland, CO
Larimer Co.
United States 		CR 30 / CR 11C
(40.46562, -105.04412) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.6197 		Other (At-Grade)
Single-Lane 		2015 Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Lowell, MA
Middlesex Co.
United States 		Industrial Ave / American Legion Connector Hwy SB Ramps
(42.61379, -71.32136) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
75.5895 		Freeway Ramps (Grade-Separated)
Unknown 		Longtime rotary near Lowell Connector. ICD estimated from Google Maps linework.
Lusby, MD
Calvert Co.
United States 		HG Trueman Rd. (MD 765) / / Southern Connector Blvd.
(38.36413, -76.44936) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.6319 		Other (At-Grade)
Multilane (2 Lane) 		2008 Looks like it's being finished up in Oct 2008 on streetview. ICD estimated from Google Maps linework.
(unincorporated), FL
St. Lucie Co.
United States 		SW Westcliffe Ln. / (unknown)
(27.27572, -80.44907) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
49.8921 		Other (At-Grade)
Multilane (2 Lane) 		2007 Looks to be sized for multilane but unmarked in 2012. ICD estimated from Google Maps linework.
Montpelier, VT
Washington Co.
United States 		Keck Circle (Main St. / Spring St.)
(44.26283, -72.57178) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.6594 		Other (At-Grade)
Single-Lane 		1995 Main Street Middle School located one block NE of roundabout. ICD estimated from Google Maps linework.
Waco, TX
McLennan Co.
United States 		Crosslake Pkwy. / Legendlake Pkwy.
(31.49100, -97.15920) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
30.5529 		Other (At-Grade)
Single-Lane 		2006 Major internal street intersection for a 159 Ac. Tract (74.5 Ac. is Hospital and Medical complex). Functional Class: Collector ICD estimated from Google Maps linework.
San Diego, CA
San Diego Co.
United States 		Sea Ridge Dr. / Chelsea St.
(32.80875, -117.26520) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.0801 		Other (At-Grade)
Single-Lane 		2007 Marginal roundabout. No splitter islands. ICD estimated from Google Maps linework.
Sequim, WA
Clallam Co.
United States 		W. Washington St. / N. Demming Rd. / N. 9th St.
(48.07909, -123.12400) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
27.1298 		Other (At-Grade)
Single-Lane 		2007 May 2007. ICD estimated from Google Maps linework.
Blaine, WA
Whatcom Co.
United States 		I-5 NB Ramps / D St. / 2nd St.
(48.99810, -122.75140) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.6939 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 May 2010. ICD estimated from Google Maps linework.
Granite Falls, WA
Snohomish Co.
United States 		Granite Falls Access Rd. / SR 92
(48.08332, -121.99000) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.2978 		Other (At-Grade)
Single-Lane 		2010 May 2010. ICD estimated from Google Maps linework.
Blaine, WA
Whatcom Co.
United States 		I-5 SB Ramps / Peace Portal Dr. / Marine Dr.
(48.99723, -122.75250) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
26.6422 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 May 2010. Roundabout is ~200 ft from railroad crossing. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		Yelm Hwy SE / Brassfield Rd. SE
(47.00367, -122.87310) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
30.1355 		Other (At-Grade)
Multilane (2 Lane) 		2011 May 2011. ICD estimated from Google Maps linework.
Vancouver, WA
Clark Co.
United States 		NE 10th Ave. / NE 136th St.
(45.71988, -122.66030) 		Roundabout
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
40.0244 		Other (At-Grade)
Single-Lane 		2011 May 2011. Park and Ride under construction fall 2010. ICD estimated from Google Maps linework.
Olympia, WA
Thurston Co.
United States 		Yelm Hwy SE / Boulevard Rd. SE
(47.00397, -122.86540) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane) 		2011 May 2011. Right-turn-only lane on north leg. Located about 1000 feet from Centennial Elementary School and serves as a walking and school bus route.
Marysville, WA
Snohomish Co.
United States 		25th Ave. NE / 174th St. NE
(48.15374, -122.19930) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7001 		Other (At-Grade)
Mini-roundabout 		2017 May be large enough to qualify as a compact roundabout but has a fully traversable central island. ICD estimated from Google Maps linework.
Daphne, AL
Baldwin Co.
United States 		CR-64 / CR-13
(30.60376, -87.86897) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
46.2586 		Other (At-Grade)
Single-Lane 		2015 Merge-type bypass lane on east leg. ICD estimated from Google Maps linework.
Alpharetta, GA
Fulton Co.
United States 		Hopewell Rd. / Birmingham Rd.
(34.16261, -84.28773) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
28.6591 		Other (At-Grade)
Multilane (2 Lane) 		2016 Merge-type right-turn bypass lane on west leg. Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Alexandria, MN
Douglas Co.
United States 		STH 29 / CR 28 / CR 87
(45.83127, -95.38801) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1054 		Other (At-Grade)
Single-Lane 		2015 Merge-type right-turn bypass lanes on east and north legs. ICD estimated from Google Maps linework.
Zionsville, IN
Boone Co.
United States 		Michigan Rd. (US 421) / West Base Line Rd.
(40.04096, -86.28524) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2318 		Other (At-Grade)
Single-Lane 		2015 Merge-type right-turn bypass lanes on north and south legs. ICD estimated from Google Maps linework.
Ypsilanti, MI
Washtenaw Co.
United States 		Geddes Rd. / Superior Rd.
(42.27492, -83.63755) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.2554 		Other (At-Grade)
Multilane (2 Lane) 		2008 Merging right-turn bypass lane in northeast quadrant. ICD estimated from Google Maps linework.
Indianapolis, IN
Hendricks Co.
United States 		Dan Jones Rd. / Morris St. (CR 100 South)
(39.74842, -86.38113) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
52.3415 		Other (At-Grade)
Multilane (2 Lane) 		2007 Merging right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Burlington, IA
Des Moines Co.
United States 		West Ave. / W Burlington Ave.
(40.80061, -91.15269) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
37.0678 		Other (At-Grade)
Single-Lane 		2017 Merging right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Roseville, CA
Placer Co.
United States 		Albertsons Dr. / (parking)
(38.79187, -121.31505) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2001 Merging right-turn bypass lane on east leg. Year Completed estimated (1998-2002).
Fort Wayne, IN
Allen Co.
United States 		E Tillman Rd. / Minnich Rd.
(41.01954, -85.00032) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2018 Merging right-turn bypass lane on north leg.
Lethbridge, AB
Alberta
Canada 		Garry Station Port W / Aquitania Blvd W
(49.68692, -112.91273) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2012 Merging right-turn bypass lane on north leg.
Lethbridge, AB
Alberta
Canada 		Keystone Terr. / Coalbanks Gate / Silkstone Rd. W
(49.66938, -112.90330) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.0000 		Other (At-Grade)
Single-Lane 		2012 Merging right-turn bypass lane on north leg.
Acoma Indian Reservation, NM
McKinley Co.
United States 		SH 30 / I-40 WB Ramps
(35.07505, -107.56110) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
65.4884 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2010 Merging right-turn bypass lane on north leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Lethbridge, AB
Alberta
Canada 		Mauretania Rd. / (unknown)
(49.67145, -112.90948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2012 Merging right-turn bypass lane on west leg.
Acoma Indian Reservation, NM
McKinley Co.
United States 		SH 30 / I-40 EB Ramps
(35.07341, -107.56120) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
65.4897 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane) 		2010 Merging right-turn bypass lane on west leg. Series of 3 roundabouts. ICD estimated from Google Maps linework.
Weston, FL
Broward Co.
United States 		Saddle Club Rd. / S Post Rd.
(26.10419, -80.41696) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.1025 		Other (At-Grade)
Single-Lane 		2002 Merging right-turn bypass lane on west leg. Year Completed estimated (2002-2003). ICD estimated from Google Maps linework.
Spring Creek, NV
Elko Co.
United States 		Lamoille Hwy / Licht Pkwy / Spring Creek Pkwy
(40.73887, -115.61890) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
34.3874 		Other (At-Grade)
Single-Lane 		2010 Merging right-turn bypass lanes on all four leg. Year Completed estimated (2010-2012). ICD estimated from Google Maps linework.
Lethbridge, AB
Alberta
Canada 		Aquitania Blvd. / (unknown)
(49.67393, -112.90283) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2011 Merging right-turn bypass lanes on north and south legs.
Ingersoll, ON
Oxford
Canada 		Plank Line (Hwy 19) / Harris St. (Hwy 119) / Hwy 401 WB Ramps
(43.02839, -80.85549) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Merging right-turn bypass lanes on northwest and northeast legs.
Ingersoll, ON
Oxford
Canada 		Plank Line (Hwy 19) / Hwy 401 EB Ramps
(43.02638, -80.85271) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Merging right-turn bypass lanes on southwest and southeast legs.
Littleton, CO
Jefferson Co.
United States 		S Platte Canyon Rd. / S Kendall Blvd. / W Chatfield Ave.
(39.56787, -105.06207) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3029 		Other (At-Grade)
Single-Lane 		2018 Merging right-turn bypass lanes on west and south legs. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Jockvale Rd. / Exeter Dr. / Tartan Dr.
(45.27044, -75.75439) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.9398 		Other (At-Grade)
Single-Lane 		2005 Met warrants for signals. Functional Class: Major Collector ICD estimated from Google Maps linework.
Murfreesboro, TN
Rutherford Co.
United States 		MTSU Blvd. / Blue Raider Dr
(35.84867, -86.35948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5318 		Other (At-Grade)
Multilane (2 Lane) 		2008 Middle Tennessee State University campus. ICD estimated from Google Maps linework.
Grand Falls-Windsor, NL
Newfoundland and Labrador
Canada 		High St. / Mill Rd. / Church Rd. / Cabot Rd.
(48.92798, -55.65984) 		Other
Existing 		Other
Unknown 		4 Approaches
0 Driveways
28.2486 		Other (At-Grade)
Single-Lane 		1909 Mill St approach has Yield sign; other approaches have no control signage.(streetview) Built in early days of city, c. 1909. Beacon, known as "the Dummy", in center island. https://www.tac-atc.ca/sites/default/files/conf_papers/macdonaldm_and_allairef_-_the_evolution_of_roundabouts_in_nl.pdf ICD estimated from Google Maps linework.
Lees Summit, MO
Jackson Co.
United States 		SW Arborway Dr. / SW Wysteria Dr. / SW Wysteria Terr.
(38.85763, -94.39962) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
24.1808 		Other (At-Grade)
Single-Lane 		2005 Minimal splitter islands on three legs; no splitter island on east leg. Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Cedar Park, TX
Williamson Co.
United States 		Lynnwood Trl. / E Park St.
(30.51423, -97.81197) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.0700 		Other (At-Grade)
Single-Lane 		1999 Minimal splitter islands on two legs. Year Completed estimated (1996-2002). ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Waterbridge Dr.
(45.28097, -75.70818) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.6990 		Other (At-Grade)
Single-Lane 		2001 Minimal splitter islands. ICD estimated from Google Maps linework.
South Jordan, UT
Salt Lake Co.
United States 		Blue Mesa Way / Lake Bridge Dr. / Braidwood Dr.
(40.55113, -111.98904) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.4843 		Other (At-Grade)
Single-Lane 		2007 Minimal splitter islands. ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Illinois St. / (unknown)
(39.73540, -105.21057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5747 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.
Cedar Park, TX
Williamson Co.
United States 		Crocket Rd. / Truman Ln.
(30.51700, -97.80960) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.9533 		Other (At-Grade)
Single-Lane 		2004 Minimal splitter islands. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Ottawa, ON
City of Ottawa
Canada 		Cresthaven Dr. / Fairpark Dr. / Timberline Private
(45.27486, -75.70937) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7465 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands. Functional Class: Local ICD estimated from Google Maps linework.
Eastgate, WA
King Co.
United States 		SE 40th St. / 138th Ave. SE
(47.57459, -122.15670) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.2865 		Other (At-Grade)
Mini-roundabout 		2019 Mini-roundabout adjacent Tyee Middle School, completed October 2019. ICD estimated from Google Maps linework.
Paradise Valley, AZ
Maricopa Co.
United States 		Indian Bend Rd. / 70th St.
(33.53864, -111.92930) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.7835 		Other (At-Grade)
Single-Lane 		Mini-roundabout ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		N. 43rd St. / E. Stanford Dr.
(33.51700, -111.98930) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
46.7997 		Other (At-Grade)
Single-Lane 		2005 Mini-roundabout ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		E. Mountain View Rd. / N. Central Ave.
(33.57510, -112.07360) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
16.9162 		Other (At-Grade)
Single-Lane 		2006 Mini-roundabout ICD estimated from Google Maps linework.
Renton, WA
King Co.
United States 		SE 176th St. / SE 171st Way
(47.44500, -122.14831) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
23.4239 		Other (At-Grade)
Mini-roundabout 		2019 Mini-roundabout in a suburban neighborhood context, completed November 2019. ICD estimated from Google Maps linework.
Phoenix, AZ
Maricopa Co.
United States 		Aviano Way / (unknown)
(33.68941, -111.99350) 		Rotary
Existing 		All-Way Yield
None 		0 Approaches
0 Driveways
79.4999 		Other (At-Grade)
Single-Lane 		Mini-roundabout. Completed 2005. ICD estimated from Google Maps linework.
Lutherville-Timonium, MD
Baltimore Co.
United States 		MD 139 (Charles St.) / Bellona Ave.
(39.41790, -76.62900) 		Roundabout
Removed 		All-Way Yield
None 		4 Approaches
0 Driveways
34.1385 		Other (At-Grade)
Multilane (2 Lane) 		1999 Mini-roundabout. Double-lane circulatory roadway across northern half. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.
Stevensville, MD
Queen Annes Co.
United States 		Thompson Creek Rd. / US 50 EB Ramps
(38.97599, -76.31046) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.7127 		Freeway Ramps (Grade-Separated)
Mini-roundabout 		2007 Mini-roundabout. ICD estimated from Google Maps linework.
Flemington, NJ
Hunterdon Co.
United States 		Rte 12 / Main St. / Reaville Ave.
(40.50183, -74.85851) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
6 Driveways
92.9640 		Other (At-Grade)
Multilane (2 Lane) 		2010 Minor movements need to change lanes for some movements. Modified 2009-2010 to have yield on entry with original rotary geometry. ICD = 350 ft x 265 ft. 21442
Lewisville, NC
Forsyth Co.
United States 		Concord Church Rd. / US 421 NB Ramps
(36.09143, -80.42963) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.8835 		Freeway Ramps (Grade-Separated)
Single-Lane 		2003 Mirror image of other ramp. ICD estimated from Google Maps linework.
Vincentown, NJ
Burlington Co.
United States 		Rte 70 / Rte 72 / Four Mile Rd. / Magnolia Rd.
(39.89892, -74.59641) 		Rotary
Existing 		Other
None 		5 Approaches
0 Driveways
129.5400 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control on entry. ICD = 500 ft x 350 ft.
Westborough, MA
Worcester Co.
United States 		E Main St. / Milk St. / South St. / Brigham St.
(42.26951, -71.61304) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
39.7706 		Other (At-Grade)
Multilane (2 Lane) 		Mix of stop and yield control, parking along circulatory roadway, pedestrian access to central island. ICD estimated from Google Maps linework.
Las Vegas, NV
Clark Co.
United States 		S Grand Canyon Pkwy. / (parking lots)
(36.11311, -115.30900) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control.