Roundabouts Database

28850 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
Omaha, NE
Douglas Co.
United States 		S 198th St. / J St.
(41.21475, -96.22459) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2004-2005).
Omaha, NE
Douglas Co.
United States 		S 202nd St. / G St.
(41.21786, -96.22948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Omaha, NE
Douglas Co.
United States 		S 189th St. / Adams St. / Drexel St.
(41.19322, -96.21053) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Omaha, NE
Douglas Co.
United States 		S 195th St. / Y St. / Z St.
(41.19722, -96.22094) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Omaha, NE
Douglas Co.
United States 		Adams St. / S 195th St.
(41.19364, -96.21996) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2006 Opened with northwest and northeast legs 2005-2006. Southwest leg added 2015-2016.
Greenwood, IN
Johnson Co.
United States 		Southern Pines Dr. / Weald St. / Spinney Ln.
(39.57598, -86.12338) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Greenwood, IN
Johnson Co.
United States 		Southern Pines Dr. / Averitt Rd.
(39.57595, -86.11836) 		Other
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Indianapolis, IN
Marion Co.
United States 		Thompson Park Blvd. / Kings Canyon Dr.
(39.69270, -86.05623) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; pedestrian access to central island.
Indianapolis, IN
Marion Co.
United States 		Thompson Park Blvd. / Bryce Canyon Dr.
(39.68900, -86.05618) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Warsaw, IN
Kosciusko Co.
United States 		W 300 N / Shelden St.
(41.27734, -85.85607) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2016-2020).
Avon, IN
Hendricks Co.
United States 		S Avon Ave. / E 150 S
(39.74076, -86.39961) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2019
Brownsburg, IN
Hendricks Co.
United States 		Wild Ridge Blvd. / Grassy Ridge Way / Oak Lake Ln.
(39.86424, -86.37717) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Brownsburg, IN
Hendricks Co.
United States 		Big Stone Dr. / Split Rock Way
(39.85503, -86.34650) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Brownsburg, IN
Hendricks Co.
United States 		Split Rock Way / Eagle Crossing Blvd.
(39.85488, -86.34174) 		Other
Existing 		All-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Franklin, IN
Johnson Co.
United States 		Hurricane Rd. / Arvin Dr. / Eastview Dr.
(39.49352, -86.04188) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019
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.
Fort Wayne, IN
Allen Co.
United States 		S 800 E / Liberty Mills Rd.
(41.03398, -85.33611) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2018
Brownsburg, IN
Hendricks Co.
United States 		Wild Ridge Blvd. / Silver Ridge Ln. / Berry Lake Way
(39.85274, -86.37023) 		Other
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Meridian, ID
Ada Co.
United States 		W McMillan Rd. / N Rustic Oak Way
(43.64851, -116.46388) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020
Hagerstown, MD
Washington Co.
United States 		Terps Blvd. / Hoosier Ct. / Nittany Lion Cir.
(39.67069, -77.73987) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (2009-2011).
Crown Point, IN
Lake Co.
United States 		E 109th Ave. / Mississippi St.
(41.42017, -87.31533) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 https://www.nwitimes.com/news/work-on-roundabout-along-109th-nears-completion-project-remains-on-schedule-officials-say/article_d93047e1-111e-5877-976d-7bba61436da2.html
Dyersville, IA
Delaware Co.
United States 		CR X49 (332nd Ave.) / W 1st Ave. / 210th St.
(42.48441, -91.14450) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.dyersvillecommercial.com/news/new-roundabout-officially-open/image_90cf973c-23eb-59eb-9a68-62a9bf4de883.html
East Memphis, TN
Shelby Co.
United States 		Ridgeway Loop Rd. / (parking)
(35.10122, -89.86462) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2010 Right-turn-only lane on north leg. Internal shopping center access roads.
Canton, MA
Norfolk Co.
United States 		Pleasant St. / Bolivar St. / Lincolnshire Dr.
(42.15077, -71.12804) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2015
Kansas City, KS
Wyandotte Co.
United States 		N 131st Dr. / Meadow Ln.
(39.17638, -94.88099) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2003
Kansas City, KS
Wyandotte Co.
United States 		Whispering Ln. / Sortop Dr.
(39.15320, -94.83506) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2005 Elliptical shape. ICD = 120 ft x 100 ft.
Mount Pleasant, SC
Charleston Co.
United States 		Wood Park Dr. / Ayscough Ln.
(32.90538, -79.82184) 		Other
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
Mount Pleasant, SC
Charleston Co.
United States 		Kings Gate Ln. / (parking)
(32.90349, -79.81985) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Planters Pointe Blvd. / Cotton Creek Dr.
(32.90291, -79.82710) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
Mount Pleasant, SC
Charleston Co.
United States 		Willbrook Ln. / Cheswick Ln.
(32.89835, -79.83617) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Grey Marsh Rd. / Daniel Legare Pl. / Henrietta Hartford Rd.
(32.90182, -79.79338) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2000 Striped truck apron. Year Completed estimated (1999-2002). Pavement markings added to roundabout 2017-2018.
Mount Pleasant, SC
Charleston Co.
United States 		Porchers Bluff Rd. / Rifle Range Rd.
(32.85497, -79.77873) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2007).
Mount Pleasant, SC
Charleston Co.
United States 		1301 Royal Links Dr
(32.87444, -79.76271) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Stockton Dr. / Straton Pl.
(32.87331, -79.75912) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Park West Blvd. / Professional Ln. / (parking)
(32.87348, -79.77707) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1995-1999).
Mansions at Canyon Creek, KS
Johnson Co.
United States 		W 95th Ln.
(38.95544, -94.88063) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Mansions at Canyon Creek, KS
Johnson Co.
United States 		W 95th Ln. / Zarda Dr.
(38.95602, -94.87907) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Isle of Palms, SC
Charleston Co.
United States 		Sundial Circle
(32.80114, -79.75399) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Wichita, KS
Sedgwick Co.
United States 		Oak Creek Pkwy.
(37.72193, -97.21150) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2006 Roundabout appears to be located to support future development on both sides of street.
Brighton, CO
Adams Co.
United States 		Mt Massive Dr. / Mt Cameron Ct.
(39.98159, -104.75310) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
North Charleston, SC
Charleston Co.
United States 		E Liberty Park Cir. / Essez St.
(32.88859, -79.99791) 		Other
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.
North Charleston, SC
Charleston Co.
United States 		City Hall Ln. / (parking)
(32.87592, -80.01191) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2010).
Mount Pleasant, SC
Charleston Co.
United States 		Market Center Blvd. / (parking)
(32.82787, -79.83236) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Year Completed estimated (2014-2015).
Mount Pleasant, SC
Charleston Co.
United States 		Belk Dr. / Towne Centre Way
(32.82956, -79.83035) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Belk Dr. / Palmetto Grande Dr.
(32.82895, -79.82986) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Theater Dr. / Palmetto Grande Dr.
(32.82980, -79.82834) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Theater Dr. / Towne Centre Way
(32.83045, -79.82888) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Shoremeade Rd. / Indigo Market Dr. / James Nelson Rd.
(32.83006, -79.83643) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2017
Mount Pleasant, SC
Charleston Co.
United States 		Franke Dr. / Augsburg Dr.
(32.82074, -79.82078) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Magnolia Woods Dr. / Palmetto Peninsula Dr.
(32.81654, -79.82129) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Mount Pleasant, SC
Charleston Co.
United States 		Magnolia Woods Dr. / Old Cypress Woods
(32.81404, -79.81670) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; parking on circulatory roadway.
Sea Pines, SC
Beaufort Co.
United States 		Greenwood Dr. / Lighthouse Rd.
(32.13151, -80.79620) 		Rotary
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Sea Pines, SC
Beaufort Co.
United States 		78 Dunnagans Alley
(32.15734, -80.75987) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Mount Pleasant, SC
Charleston Co.
United States 		Bay Tree Cir. / Fowler Ct. / Beresford Ct.
(32.80610, -79.87826) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
North Charleston, SC
Charleston Co.
United States 		Barracks Rd.
(32.84637, -79.94049) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified)
Shortsville, NY
Ontario Co.
United States 		CR 28 / Shortsville Rd.
(42.95597, -77.27692) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.democratandchronicle.com/story/news/2020/10/19/roundabout-opens-county-road-28-and-shortsville-road-farmington-ny/3706261001/
Peru, IL
La Salle Co.
United States 		Peoria St. / Plank Rd. / Sunset Dr.
(41.34157, -89.13074) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 https://www.mywebtimes.com/2020/10/07/la-salle-countys-first-roundabout-will-be-partially-opened-thursday/aix39n8/
Platte City, MO
Platte Co.
United States 		4th St. / Kentucky Ave. / Norma Ln.
(39.35147, -94.77915) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017).
Platte City, MO
Platte Co.
United States 		MO-N / NW 136 St. / Humphreys Rd.
(39.33927, -94.77933) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
Kansas City, MO
Platte Co.
United States 		N Platte Purchase Dr. / NW 108th St.
(39.28944, -94.60190) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2015-2016).
Kansas City, MO
Clay Co.
United States 		N Sycamore Ave. / N 85th Terr. / Shoal Creek Valley Dr.
(39.24733, -94.48586) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2002 No truck apron. Year Completed estimated (1997-2003).
Kansas City, MO
Clay Co.
United States 		NE 82nd Terr. / N Booth Ave.
(39.24250, -94.47752) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2008 South leg stubbed.
Liberty, MO
Clay Co.
United States 		S Stewart Rd. / (parking)
(39.24344, -94.45337) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5277 		Other (At-Grade)
Single-Lane 		2016 Add-lane right-turn bypass lane on south leg.
Liberty, MO
Clay Co.
United States 		N Stewart Rd. / College St. / Conistor Ln. / (parking)
(39.24629, -94.45100) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1997-2003).
Liberty, MO
Clay Co.
United States 		College St. / N Blue Jay Dr.
(39.24628, -94.44898) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005
Claycomo, MO
Clay Co.
United States 		Ford Motor Plant No 4 Rd. / (parking)
(39.20602, -94.47845) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 Year Completed estimated (2012-2013). Reconfiguration of factory entrance and parking circulation.
Kansas City, MO
Clay Co.
United States 		N Mercier St. / N Summit St.
(39.19389, -94.59236) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017).
Northwest Warren, MI
Macomb Co.
United States 		William Durant Blvd. / Charles Chayne Rd.
(42.50727, -83.04056) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Inside General Motors plant.
Northwest Warren, MI
Macomb Co.
United States 		Edward Cole Blvd. / Louis Chevrolet Rd.
(42.51705, -83.03027) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2004 Inside General Motors plant. Year Completed estimated (2003-2005).
Owatonna, MN
Steele Co.
United States 		26th St. NE (CR 34) / N Cedar Ave. (CR 1)
(44.10977, -93.22666) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019
Dubuque, IA
Dubuque Co.
United States 		US 52 (SW Arterial - Seippel Rd.) / Chesterfield Dr. / US 20 EB ramps
(42.47403, -90.75987) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, unspecified) 		2020 https://www.telegraphherald.com/news/tri-state/article_25dde05e-920f-5330-8d6f-356d16812f2d.html
Salt Lick, KY
Rowan Co.
United States 		US 60 / KY 801
(38.14114, -83.54918) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 On Rowan County-Bath County line. https://www.wkyt.com/2021/04/07/first-roundabout-in-northeastern-ky-to-soon-be-constructed-in-rowan-county/
Saint Louis, MO
St. Louis City
United States 		Center Cross Dr. / Main Dr.
(38.60658, -90.25836) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Quail, CO
Boulder Co.
United States 		Boston Ave. / Junction Dr.
(40.14998, -105.09200) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Quail, CO
Boulder Co.
United States 		Boston Ave. / (parking)
(40.15114, -105.09285) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2006 Right-turn-only lane on north leg. Year Completed estimated (2005-2006). South leg added 2016-2017.
Quail, CO
Boulder Co.
United States 		Boston Ave. (S. Martin St.) / (parking)
(40.15350, -105.09292) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Oval shaped. ICD = 170 feet x 130 feet. Northbound left-turn-only lane signed but not marked on approach. Year Completed estimated (2006-2007).
Lynn, MA
Essex Co.
United States 		Federal St. / Waterhill St. / Marion St.
(42.46533, -70.96799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2020 Four approaches, but five roads leading away. https://lynnjournal.com/2020/12/03/safe-and-round-new-roundabout-at-agganis-square-leads-to-safer-access-for-drivers/
New Haven, CT
New Haven Co.
United States 		Quinnipiac Ave. / Ferry St.
(41.30011, -72.89024) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
21.3357 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2011
New Haven, CT
New Haven Co.
United States 		Weybosset St. / Cranston St.
(41.33172, -72.87223) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.4216 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2018 Painted splitter islands.
Madison, CT
New Haven Co.
United States 		Hammonasset Connector / Hammonasset Point / Hammonasset State Park
(41.26244, -72.55477) 		Rotary
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
91.4400 		Other (At-Grade)
Multilane (3+ Lane) 		1990
Lakewood, WA
Pierce Co.
United States 		Union Ave. / Militia Dr. / Berkeley St. SW
(47.11921, -122.55805) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2020 https://twitter.com/wsdot_tacoma/status/1295357469917474818
Monee, IL
Will Co.
United States 		W Court St. / S Egyptian Trl.
(41.42154, -87.74755) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Channahon, IL
Will Co.
United States 		S Navajo Dr. / St Ann Way
(41.43729, -88.22099) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Plainfield, IL
Will Co.
United States 		W Renwick Rd. / S Drauden Rd.
(41.59347, -88.23543) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Plainfield, IL
Will Co.
United States 		Island Dr. / Creekview Dr. / S Indian Boundary Line Rd.
(41.59740, -88.23185) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Homer Glen, IL
Will Co.
United States 		Syd Creek Dr. / Iz Brook Dr.
(41.59490, -87.97263) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Homer Glen, IL
Will Co.
United States 		Syd Creek Dr. / Blue Mag Rd.
(41.59306, -87.97332) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Plainfield, IL
Kendall Co.
United States 		S Grande Park Blvd. / S Playa Vista Blvd. / Carmel Blvd.
(41.63491, -88.26332) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2007-2008).
Bolingbrook, IL
Will Co.
United States 		Rodeo Dr. / Kings Rd.
(41.66750, -88.14597) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.3400 		Other (At-Grade)
Single-Lane 		2019 Right-turn-only lanes on east and west legs; designed for future expansion to two through lanes.
Naperville, IL
Will Co.
United States 		Honey Locust Dr. / 103rd St.
(41.69412, -88.22994) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2002-2005).
Prince Frederick, MD
Calvert Co.
United States 		Oakland Hall Rd. / Abbott Ln. / Bunker Hill Rd.
(38.50147, -76.55177) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Prince Frederick, MD
Calvert Co.
United States 		Prince Frederick Blvd. / Thoroughbred Dr. / Equestrian Way
(38.53171, -76.58916) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Prince Frederick, MD
Calvert Co.
United States 		Cambridge Pl. / Allnutt Ct. / (parking)
(38.54943, -76.59467) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Prince Frederick, MD
Calvert Co.
United States 		Prince Frederick Blvd. / Chapline Place Blvd.
(38.55239, -76.59551) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). Initially constructed as two-lane roundabout with concentric striped circulatory roadway. Converted to single-lane roundabout 2007-2009.
Prince Frederick, MD
Calvert Co.
United States 		Frederick Blvd. / Auto Dr.
(38.56178, -76.60339) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2007-2009).
Huntingtown, MD
Calvert Co.
United States 		Lorins Dr. / Cambridge Dr. / Stephanies Ln.
(38.60541, -76.61564) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; pedestrian access to central island.
Taylorville, MD
Worcester Co.
United States 		Bayberry Dr. / (parking)
(38.19142, -75.15861) 		Other
Existing 		Other
Unknown 		4 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Yield control on circulatory roadway.
Jekyll Island, GA
Glynn Co.
United States 		GA 520 (Ben Fortson Pkwy.) / N Beachview Dr.
(31.04758, -81.41269) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2011 Elliptical shaped. ICD = 135 ft x 125 ft.
Brunswick, GA
Glynn Co.
United States 		Cinder Hill Dr. / Bridlepath Ln.
(31.12586, -81.58671) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands or control.
Brunswick, GA
Glynn Co.
United States 		Barrington Oaks Dr. / Bartam Trl.
(31.12966, -81.59217) 		Other
Existing 		Other
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island.