Roundabouts Database

30320 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
Basingstoke, England
Hants
United Kingdom 		Hatch Warren Roundabout [A30 (Winchester Rd.) / Wallop Dr.]
(51.23545, -1.14110) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Basingstoke, England
Hants
United Kingdom 		Old Common Rd. / London Rd. / Barbel Ave.
(51.26326, -1.06915) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Basingstoke, England
Hants
United Kingdom 		Roentgen Rd. / (parking)
(51.27254, -1.06136) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		No splitter islands.
Chula Vista, CA
San Diego Co.
United States 		Industrial Blvd. / Ada St.
(32.60208, -117.08502) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2009
Chula Vista, CA
San Diego Co.
United States 		Exploration Falls Dr & Discovery Falls Dr
(32.62407, -116.95973) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Painted splitter islands, parking along circulatory roadway.
Monticello, MN
Wright Co.
United States 		E 7th St. / Washington St.
(45.29817, -93.78709) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Covington, GA
Newton Co.
United States 		Riverstone Dr. / Riverstone Pkwy.
(33.59147, -83.89301) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
West Chester, OH
Butler Co.
United States 		Lesourdsville West Chester Rd. / Becket Ridge Blvd.
(39.34459, -84.41655) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020 Near a junior high school. https://www.journal-news.com/news/newest-roundabout-opens-in-west-chester-as-dangerous-intersection-work-begins/PWKR73DU2VD53AOPGDM3VII2U4/
Lakeside, CA
San Diego Co.
United States 		Harry Hertzberg Way / Founders Way
(32.93779, -116.87303) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Stop control on circulatory roadway and on all entries.
Melrose, MA
Middlesex Co.
United States 		Green St. / Howard S.
(42.46562, -71.05908) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2019 Replaced stop-controlled triangle set of intersections.
Basingstoke, England
Hants
United Kingdom 		A339 / A340
(51.27558, -1.11235) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Sherfield on Loddon, England
Hants
United Kingdom 		Taylors Farm Roundabout [A33 / Gaiger Ave.]
(51.30121, -1.04247) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Hook, England
Hants
United Kingdom 		Amport Rd. / Sunwood Dr.
(51.30322, -1.05095) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Witham, England
Essex
United Kingdom 		Maltings Ln. / Gershwin Blvd.
(51.79107, 0.63529) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Waconia, MN
Carver Co.
United States 		Waconia Pkwy. / CR 10
(44.84217, -93.81903) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Monticello, MN
Wright Co.
United States 		E 7th St. / Fallon Ave. NE
(45.29661, -93.78431) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
St Simons Island, GA
Glynn Co.
United States 		Demere Rd. / E Beach Causeway
(31.14836, -81.38116) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.arcgis.com/apps/MapJournal/index.html?appid=1665571e5832424bbef0fe01a60a00c0&section=7
Shannon, County Clare

Ireland 		N19 (Airport Rd.) / Airport Ave.
(52.69644, -8.90122) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Orrell, England
Greater Manchester
United Kingdom 		M58 / M6 NB Ramps
(53.53523, -2.70049) 		Signalized Roundabout/Circle
Existing 		Signal
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Kenilworth, England
Warks
United Kingdom 		B4103 / B4104
(52.34360, -1.58020) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Warwick, England
Warks
United Kingdom 		A425 (Saltisford) / Theatre St.
(52.28381, -1.59110) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Warwick, England
Warks
United Kingdom 		A425 / Northgate St.
(52.28354, -1.58921) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Yielding on circulatory roadway.
Warwick, England
Warks
United Kingdom 		A425 / A429
(52.28147, -1.58283) 		Other
Existing 		Other
Unknown 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		Yielding on circulatory roadway.
Warwick, England
Warks
United Kingdom 		A425 (Birmingham Rd.) / Wedgcock Ln.
(52.28832, -1.60219) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Leawood, MO
Newton Co.
United States 		E 50th St. / (parking)
(37.03321, -94.50215) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2009-2010).
Joplin, MO
Jasper Co.
United States 		Tri State Rd. / W 1st St.
(37.09190, -94.55775) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
56.3880 		Other (At-Grade)
Single-Lane 		2008
Bridgetown, England
Warks
United Kingdom 		A422 (Banbury Rd.) / A3400 (Shipston Rd.)
(52.19035, -1.69853) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Upper Fulbrook, England
Warks
United Kingdom 		A46 / A439
(52.24243, -1.65151) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Newmarket, ON
York
Canada 		Nellie Little Crescent / Kingsmere Ave. / Quaker Trl.
(44.04142, -79.43972) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Aurora, ON
York
Canada 		Gateway Dr. / Pedersen Dr.
(44.01789, -79.45534) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (2002-2005).
Gatineau, QC
Gatineau
Canada 		Boulevard de Plateau / Rue de Prado
(45.43617, -75.80317) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.0000 		Other (At-Grade)
Single-Lane 		2012
Witham, England
Essex
United Kingdom 		Gershwin Blvd. / Owers Rd.
(51.78632, 0.62711) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Mile End, England
Essex
United Kingdom 		A1341 / A12 WB Ramps
(51.92428, 0.90084) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Mile End, England
Essex
United Kingdom 		A1341 / A12 EB Ramps
(51.92539, 0.90038) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Saint Charles, IL
Kane Co.
United States 		Burlington Rd. / Bolcum Rd.
(41.94162, -88.39775) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020
Fulford, England
York
United Kingdom 		A19 / A64 EB Ramps
(53.92589, -1.06703) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Overland Park, KS
Johnson Co.
United States 		W 159th St. / Blue Valley High School west entrance
(38.84002, -94.65839) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016
Overland Park, KS
Johnson Co.
United States 		W 159th St. / Blue Valley High School east entrance
(38.84003, -94.65406) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016
York, England
York
United Kingdom 		Heslington Ln. / Broadway
(53.94073, -1.06087) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Aurora, ON
York
Canada 		Hollidge Blvd. / John West Way
(44.01147, -79.45102) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.0000 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1996-2002).
Marion, IN
Grant Co.
United States 		W 44th St. / (unknown)
(40.51701, -85.67483) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Colchester, England
Essex
United Kingdom 		A134 / Turner Rd.
(51.90066, 0.89682) 		Other
Existing 		Signal
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (3+ Lane)
Colchester, England
Essex
United Kingdom 		East St. / Ipswitch Rd.
(51.89029, 0.91716) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Colchester, England
Essex
United Kingdom 		Hythe Hill / Maudlyn Rd.
(51.88438, 0.92409) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Colchester, England
Essex
United Kingdom 		Maudlyn Rd. / Ventura Dr.
(51.88383, 0.92419) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Colchester, England
Essex
United Kingdom 		Hythe Quay / Maudlyn Rd.
(51.88357, 0.92625) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Colchester, England
Essex
United Kingdom 		Hythe Hill / Hythe Quay / Hythe Station Rd.
(51.88427, 0.92624) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
West Sacramento, CA
Yolo Co.
United States 		Village Pkwy. / Stonegate Dr.
(38.55465, -121.52167) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2016 http://www.westsac.com/news-ledger/2016/10/20/ribbon-cutting-to-celebrate-new-roadway-the-village-parkway-north/
Modesto, CA
Stanislaus Co.
United States 		Litt Rd. / (parking)
(37.69136, -120.92985) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2013
Atwater, CA
Merced Co.
United States 		Ashby Rd. / Gurr Rd.
(37.32833, -120.55912) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
Fresno, CA
Fresno Co.
United States 		N Saddleback Ave. / E Dayton Ave.
(36.78261, -119.66915) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2007 Painted splitter island on one leg.
Moses Lake, WA
Grant Co.
United States 		S Balsam St. / E 4th Ave.
(47.13056, -119.27474) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Sarasota, FL
Sarasota Co.
United States 		Honore Ave. / E Bay St.
(27.19889, -82.44490) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Fruitville, FL
Sarasota Co.
United States 		Coburn Rd. / Lakewood Ranch Blvd.
(27.34201, -82.44073) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019
Parrish, FL
Manatee Co.
United States 		22nd Ct. E / 129th Ave. E
(27.53277, -82.41234) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2006
Rubonia, FL
Manatee Co.
United States 		Haben Blvd. / 12th Ave. E
(27.51603, -82.55261) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2012
Bradenton, FL
Manatee Co.
United States 		38th Ave. E / 27th St. E
(27.46562, -82.52979) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2017
Bradenton, FL
Manatee Co.
United States 		38th Ave. E / 30th St. E
(27.46533, -82.52634) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2017
Athens, GA
Clarke Co.
United States 		Rockford Dr. / Flatrock Ct. / Stonecrest Ct.
(33.91187, -83.33944) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Athens, GA
Clarke Co.
United States 		S Homewood Dr. / N Homewood Dr.
(33.97360, -83.41833) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
18.2880 		Other (At-Grade)
Single-Lane
Spring Grove Plantation, SC
Berkeley Co.
United States 		Colony Post Loop / Plantation Grove Blvd.
(33.07839, -80.01052) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2005
Moncks Corner, SC
Berkeley Co.
United States 		Colony Post Loop / Caretaker Trl.
(33.07825, -80.00718) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2005
Ladson, SC
Dorchester Co.
United States 		Parlor Dr.
(32.95847, -80.14860) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Salisbury, MD
Wicomico Co.
United States 		Camden Ave. / Riverside Dr. / Mill St. / W Carroll St.
(38.36401, -75.60403) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 One leg is a one-way street away from roundabout. http://www.wboc.com/clip/15110757/roundabout-on-riverside-drive-open-to-traffic
Ridge, NY
Suffolk Co.
United States 		Princeton Ave. / York Ln.
(40.86451, -72.89717) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Year Completed estimated (2019-2020).
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, unspecified) 		2013 Left-turn-only lane on north leg; spiral marking in circulatory roadway.
Bristol, TN
Sullivan Co.
United States 		Bass Pro Dr. / Pinnacle Pkwy.
(36.59545, -82.25318) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Concentric circulatory roadway striping. No left turn arrows on entry or within roundabout. Year Completed estimated (2012-2015).
Stockport, England
Greater Manchester
United Kingdom 		Brinnington Rd. / Essex Rd.
(53.42837, -2.12857) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-lane w/ Traversable Central Island
Stockport, England
Greater Manchester
United Kingdom 		Middlesex Rd. / The Link
(53.43184, -2.13551) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Parking along circulatory roadway.
Little Rock, AR
Pulaski Co.
United States 		Woodlands Trl. / Woodsgate Dr.
(34.73308, -92.42190) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2005
Milnrow, England
Greater Manchester
United Kingdom 		A640 / A6193
(53.60427, -2.10824) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Milnrow, England
Greater Manchester
United Kingdom 		A6193 / M62 Off-ramp
(53.60115, -2.11612) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Milnrow, England
Greater Manchester
United Kingdom 		A6193 / M62 WB Ramps
(53.60189, -2.11287) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified)
Rochdale, England
Greater Manchester
United Kingdom 		A6193 / Michael Faraday Ave.
(53.60647, -2.13281) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Rochdale, England
Greater Manchester
United Kingdom 		Michael Faraday Ave. / Cook Rd.
(53.60828, -2.13185) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Fort Worth, TX
Tarrant Co.
United States 		E Bonds Ranch Rd. / US 81 NB Service Road
(32.92414, -97.35663) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
56.3877 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2017 Right-turn-only lane on east leg wraps along circulatory roadway in north quadrant, but there is no section of three conflicting circulating lanes.
Fort Worth, TX
Tarrant Co.
United States 		W Bonds Ranch Rd. / US 81 SB Ramps-Service Road
(32.92433, -97.35862) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Double-track BNSF railroad at-grade railroad crossing approximately 800 feet to the west of the roundabout.
Fort Worth, TX
Tarrant Co.
United States 		E Bonds Ranch Rd. / (unknown)
(32.92422, -97.35417) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019 Year Completed estimated (2019-2020).
Perry, GA
Houston Co.
United States 		(unknown) / (parking)
(32.43653, -83.75816) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Knoxville, TN
Knox Co.
United States 		Thunderhead Rd. / Willow Loop Way
(35.85896, -84.07963) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2007
Reno, NV
Washoe Co.
United States 		SR 425 / Edinburg Dr.
(39.52257, -119.96617) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Idaho Springs, CO
Clear Creek Co.
United States 		Colorado Blvd. / I-70 WB Ramps
(39.74195, -105.49607) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Single-Lane 		2015
Evergreen, CO
Jefferson Co.
United States 		CO 74 / CO 64 (Turkey Creek Rd.)
(39.58759, -105.30994) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008
Spartanburg, SC
Spartanburg Co.
United States 		Clifton-Glendale Rd. / Fernwood Glendale Rd.
(34.96021, -81.84396) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2020).
Bear, DE
New Castle Co.
United States 		Rockwood Rd. / Gregory Dr.
(39.62152, -75.67763) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1992-2002).
Ballenger Creek, MD
Frederick Co.
United States 		Jefferson Technology Pkwy. / Jefferson Station Blvd.
(39.39223, -77.45291) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2014 Year Completed estimated (2013-2015).
Calverton, MD
Montgomery Co.
United States 		Fairland Rd. / Galway Dr.
(39.06594, -76.94436) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2008
Greenacres, WA
Spokane Co.
United States 		N Barker Rd. / I-90 EB Ramps
(47.66457, -117.15376) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 Open September 4, 2020.
Konterra, MD
Prince George's Co.
United States 		Bentley Park Dr. / Parkgate Dr.
(39.09112, -76.91733) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2015
Summerfield, MD
Prince George's Co.
United States 		Campus Way / Geaton Park Pl.
(38.92577, -76.84451) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011
Beltsville, MD
Prince George's Co.
United States 		Sellman Rd. / Woodbine Rd.
(39.03418, -76.93680) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2008 Intersection relocated south of previous TWSC intersection.
Summerfield, MD
Prince George's Co.
United States 		Ruby Lockhart Blvd. / Taj Ln.
(38.92163, -76.84438) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011
Skelmersdale, England
Lancs
United Kingdom 		A577 (Neverstitch Rd.) / School Ln.
(53.55460, -2.80631) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified)
Willows at Lake Rhea, FL
Orange Co.
United States 		Willow Gardens Dr. / Willow Brick Rd.
(28.51391, -81.54793) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Metro West, FL
Orange Co.
United States 		Lake Debra Dr. / (unknown)
(28.51446, -81.47791) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Stop control on one leg.
Chester, MD
Queen Anne's Co.
United States 		Castle Marina Rd. / Bayberry Dr.
(38.98086, -76.28905) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Columbia, MD
Howard Co.
United States 		Oakland Mills Rd. / MD 175 SB Ramps / (unknown)
(39.21308, -76.83456) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Freeway Ramps (Grade-Separated)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Columbia, MD
Howard Co.
United States 		Oakland Mills Rd. / Old Montgomery Rd.
(39.20788, -76.83157) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2017
Clarksville, MD
Howard Co.
United States 		Linden Church Rd. / MD 32 NB Ramps
(39.22942, -76.97263) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Year Completed estimated (2011-2014).
Cooksville, MD
Howard Co.
United States 		Long Corner Rd. / Penn Shop Rd.
(39.33938, -77.15284) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (1988-2005).