Roundabouts Database

29411 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
Castle Rock, CO
Douglas Co.
United States 		S Ridge Rd. / Rapport Dr.
(39.35511, -104.81475) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2020
Castle Rock, CO
Douglas Co.
United States 		Autumn Sage St. / Valley View Dr.
(39.38026, -104.81919) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Castle Rock, CO
Douglas Co.
United States 		N Rocky View Rd. / Valley View Rd. / High Point Rd.
(39.38189, -104.81125) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Castle Pines, CO
Douglas Co.
United States 		Westbridge Dr. / Cross Canyon Trl.
(39.45951, -104.85287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Parker, CO
Douglas Co.
United States 		Cross Canyon Trl. / Canyon Forge Dr.
(39.47008, -104.85988) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Selbyville, DE
Sussex Co.
United States 		Sand Cove Rd. / Crosswinds Landing / Williamsville Rd.
(38.45556, -75.10488) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Millsboro, DE
Sussex Co.
United States 		Sterling Blvd. / Peninsula Esplanade
(38.60821, -75.16426) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Marriottsville, MD
Howard Co.
United States 		Sand Hill Rd. / Sand Hill Manor Dr. / Mount View Rd.
(39.31018, -76.93043) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.9560 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002).
Ijamsville, MD
Frederick Co.
United States 		Whiskey Rd. / Whiskey Ct.
(39.36078, -77.30012) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Ijamsville, MD
Frederick Co.
United States 		Royal Saint Andrews Pl. / Quail Creek Pl.
(39.38039, -77.30788) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Ballenger Creek, MD
Frederick Co.
United States 		Newton Dr. / Hiteshow Dr. / Cheatham Way
(39.36597, -77.44595) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Frederick, MD
Frederick Co.
United States 		Jefferson Station Blvd. / Jefferson Commons Way
(39.39479, -77.44916) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2015 Year Completed estimated (2013-2015).
Ballenger Creek, MD
Frederick Co.
United States 		Jefferson Technology Pkwy. / (unknown)
(39.39256, -77.45666) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Boonsboro, MD
Washington Co.
United States 		Monument Dr. / West Wing Way
(39.50248, -77.65503) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Boonsboro, MD
Washington Co.
United States 		Monument Dr. / Midlothian Way
(39.50117, -77.65254) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Boonsboro, MD
Washington Co.
United States 		Monument Dr. / East Wing Way
(39.50047, -77.65002) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Winona, MN
Winona Co.
United States 		US 14-US 61 / STH 43
(44.02956, -91.62216) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 https://www.youtube.com/watch?v=xA9c17OwsGk
Urbana, MD
Frederick Co.
United States 		Stone Barn Dr. / Longleaf Dr.
(39.33278, -77.36713) 		Unknown
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Gaithersburg, MD
Montgomery Co.
United States 		Perry Pkwy. / (parking)
(39.14899, -77.21048) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2004 Year Completed estimated (2002-2005).
Redland, MD
Montgomery Co.
United States 		Columbus Ave. / Gramercy Blvd.
(39.12362, -77.16494) 		Other
Existing 		All-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
King Farm, MD
Montgomery Co.
United States 		Pleasant Circle
(39.11623, -77.17518) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Potomac, MD
Montgomery Co.
United States 		10600 Morning Field Dr. / Sunny Brooke Ln. / Sunny Brooke Pl.
(39.07423, -77.21561) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Potomac, MD
Montgomery Co.
United States 		Broad Green Dr. / Clagett Farm Dr.
(39.04566, -77.19669) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Potomac, MD
Montgomery Co.
United States 		Larkmeade Ln. / Bells Ridge Dr.
(39.03483, -77.16775) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Leesburg, VA
Loudoun Co.
United States 		Beauregard Dr. SE / Fortress Cir. SE
(39.09720, -77.55053) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Paeonian Springs, VA
Loudoun Co.
United States 		Charles Town Pike / SR 7 WB Ramps
(39.14190, -77.61205) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2015 Year Completed estimated (2014-2016).
Marana, AZ
Pima Co.
United States 		N Sandario Rd. / W Twin Peaks Rd.
(32.38076, -111.21671) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.maranaaz.gov/news/2022/5/25/traffic-alert-construction-on-a-new-roundabout-located-at-the-twin-peaks-and-sandario-road-intersection
Carpinteria, CA
Santa Barbara Co.
United States 		Ogan Rd. / Via Real / US 101 NB On-Ramp
(34.40144, -119.51551) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2020 https://www.coastalview.com/news/roadways-open-with-improvements/article_979e3586-c6f1-11ea-bc84-b3d50932177b.html
Lima, OH
Allen Co.
United States 		Market St. / Main St.
(40.73998, -84.10498) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.hometownstations.com/news/more-downtown-parking-being-added-now-that-roundabout-in-limas-town-square-is-open/article_b354ae8e-085a-11ed-8496-e7e7595f316f.html [Note: previous intersection looked somewhat like a roundabout. Not quite round and it had stop signs on the N-S approaches and only pedestrian stop lights on E-W approaches.]
Baton Rouge, LA
East Baton Rouge Par.
United States 		Stumberg Ln. / Womans Way
(30.38264, -91.03593) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2012 Year Completed estimated (2011-2013).
Port Vincent, LA
Livingston Par.
United States 		LA 16 (Petes Hwy.) / LA 447 (Walker South Rd.)
(30.35577, -90.84991) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022
Baton Rouge, LA
East Baton Rouge Par.
United States 		N Stadium Rd. / Field House Dr.
(30.41398, -91.18246) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2006 On campus of Louisiana State University.
Baton Rouge, LA
East Baton Rouge Par.
United States 		Capitol Access Rd. / Capitol Lake Dr.
(30.45808, -91.18278) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2016
Baton Rouge, LA
East Baton Rouge Par.
United States 		Capitol Lake Rd. / Capitol Access Rd.
(30.45818, -91.18621) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2016
Casper, WY
Natrona Co.
United States 		Rustic Dr. / Rustic Ct. / Rustic Pl.
(42.82970, -106.28379) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Casper, WY
Natrona Co.
United States 		Jasper Dr. / Preserve Cir.
(42.82867, -106.28915) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Cheyenne, WY
Laramie Co.
United States 		(unknown) / (parking)
(41.10110, -104.78426) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2021).
Cheyenne, WY
Laramie Co.
United States 		(unknown) / (parking)
(41.10103, -104.78019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2021).
Houston, TX
Harris Co.
United States 		Point Park Dr. / (unknown)
(29.90706, -95.63522) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Cypress, TX
Harris Co.
United States 		Fairfield Green Blvd. / Fairfield Park Dr.
(30.00533, -95.75155) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Cypress, TX
Harris Co.
United States 		Fairfield Green Circle
(30.00584, -95.74990) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Building in central island.
Cypress, TX
Harris Co.
United States 		Golden Elm Circle
(30.00926, -95.75279) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Magnolia, TX
Montgomery Co.
United States 		Magnolia Ridge Blvd. / Jewett Meadow Dr. / Rogerdale River Dr.
(30.21121, -95.73470) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max)
Vestal, NY
Broome Co.
United States 		Glenn G Bartle Dr. / West Dr.
(42.09200, -75.96836) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		Concentric striped circulatory roadway.
Athol, ID
Kootenai Co.
United States 		SR 54 / N Good Hope Rd. / N Perimeter Rd.
(47.94732, -116.61237) 		Rotary
Existing 		Other
None 		4 Approaches
0 Driveways
126.4920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		Yield signs on circulatory roadway. Elliptical shaped. ICD = 415 ft x 370 ft.
Lincoln, NE
Lancaster Co.
United States 		W A St. / S Folsom St.
(40.79911, -96.73022) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 https://www.lincoln.ne.gov/City/Departments/LTU/LTU-Projects/Projects/West-A-Street-Improvement-Project (video shows the roundabout at about 1:45)
Princeton, NJ
Mercer Co.
United States 		Rosedale Rd. / General Johnson Dr.
(40.34571, -74.68801) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 https://planetprinceton.com/2022/08/25/rosedale-road-roundabout-project-now-complete/
Farmville, VA
Prince Edward Co.
United States 		Farmville Rd. / Kingsville Rd.
(37.24605, -78.44392) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Opened August 17, 2022. https://www.farmvilleherald.com/2022/08/kingsville-roundabout-finally-open/
Niagara Falls, ON
Niagara
Canada 		Victoria Ave. / Bridge St. / Thorold Stone Rd.
(43.10884, -79.07338) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
64.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.youtube.com/watch?v=PJwDZ6g8cT0
St Joseph, MO
Buchanan Co.
United States 		Robidoux St. / 8th St.
(39.76984, -94.85063) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015). https://www.newspressnow.com/opinion/editorials/progress-in-a-roundabout-way/article_3dba548e-dbbf-11ec-9a02-6faad919c23d.html
Auraria, CO
Denver Co.
United States 		Saint Francis Way / 11th St.
(39.74196, -105.00110) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Denver, CO
Arapahoe Co.
United States 		S Yosemite St. / E Wesley Dr.
(39.67305, -104.88513) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Saddle Rock East, CO
Arapahoe Co.
United States 		E Roxbury Dr. / S Wenatchee Way
(39.58699, -104.72125) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tallyns Reach, CO
Arapahoe Co.
United States 		E Roxbury Dr. / E Easter Dr.
(39.58714, -104.71273) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Inspiration, CO
Douglas Co.
United States 		Gartrell Rd. / E Rocky Top Ave.
(39.55491, -104.70847) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2021).
Lake Frendrica, FL
Orange Co.
United States 		Calais Way. / (unknown)
(28.51201, -81.30806) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Pershing, FL
Orange Co.
United States 		(unknown)
(28.49767, -81.29662) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Villages at Eastwood, FL
Orange Co.
United States 		Golfway Blvd. / Cavan Ln.
(28.53207, -81.17764) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Coatesville, PA
Chester Co.
United States 		Trego Ave. / Fuller St.
(39.97676, -75.89185) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Coatesville, PA
Chester Co.
United States 		Trego Ave. / (unknown)
(39.97548, -75.89578) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Billings, MT
Yellowstone Co.
United States 		Central Ave. / 56th St. W
(45.76970, -108.65917) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.mdt.mt.gov/pubinvolve/56thRoundabouts/
Helena, MT
Lewis and Clark Co.
United States 		Lincoln Rd. / N Montana Ave.
(46.70444, -112.02096) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.ktvh.com/news/lincoln-road-roundabout-opens-to-drivers
Woodbourne-Hyde Park, OH
Montgomery Co.
United States 		Mad River Rd. / W Alex Bell Rd.
(39.65510, -84.19420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.whio.com/news/local/washington-twp-roundabout-set-open-within-next-week/JEWIGLMTEBBDXJ3PZ2QO3ILVQ4/
Enoch, UT
Iron Co.
United States 		SR 130 (N Minersville Hwy.) / E Midvalley Rd.
(37.76474, -113.05532) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Completed November 2021.
Derwood, MD
Montgomery Co.
United States 		Achille Ln. / Heartwood Dr.
(39.12925, -77.11543) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Derwood, MD
Montgomery Co.
United States 		Heartwood Dr.
(39.13239, -77.11434) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Derwood, MD
Montgomery Co.
United States 		Coppelia Dr. / Toboggan Ln.
(39.13566, -77.11938) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Olney, MD
Montgomery Co.
United States 		Martins Dairy Cir. / Old Baltimore Rd.
(39.13345, -77.07382) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Painted splitter islands.
Wheaton, MD
Montgomery Co.
United States 		Park Vista Dr. / Wintergate Dr. / Longmeade Crossing Dr.
(39.10755, -77.05340) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2020 Painted splitter islands added 2020.
Ashton, MD
Montgomery Co.
United States 		Harbour Town Dr. / Grand Cypress Ct.
(39.13205, -77.00407) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
West End, MT
Yellowstone Co.
United States 		Central Ave. / S 38th St. W
(45.76969, -108.61240) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019
West End, MT
Yellowstone Co.
United States 		Central Ave. / S 36th St. W
(45.76949, -108.60726) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019
Novi, MI
Oakland Co.
United States 		Gateway Rd. / Woodstone Ln.
(42.52271, -83.49676) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Wixom, MI
Oakland Co.
United States 		W Chambers St. / Johanna Ware W
(42.52579, -83.53382) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Maple Ash, AZ
Maricopa Co.
United States 		W 9th St. / S Maple Ave.
(33.42046, -111.94122) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Maple Ash, AZ
Maricopa Co.
United States 		W 9th St. / S Ash Ave.
(33.42048, -111.94237) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Maple Ash, AZ
Maricopa Co.
United States 		W 11th St. / S Maple Ave.
(33.41763, -111.94123) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Maple Ash, AZ
Maricopa Co.
United States 		W 12th St. / S Maple Ave.
(33.41619, -111.94121) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Carmel, IN
Hamilton Co.
United States 		E 116th St. / S Rangeline Rd. / Westfield Blvd.
(39.95661, -86.12675) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 Opened August 22, 2022. http://carmellink.com/project.php?title=116th%20Street%20and%20Range%20Line%20Road%20Roundabout
Seven Valleys, PA
York Co.
United States 		Grand Lake Dr. / Grand Oak Way
(39.86507, -76.71601) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Seven Valleys, PA
York Co.
United States 		Countryside Rd. / Morningside Way
(39.86287, -76.71666) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Hartford, CT
Hartford Co.
United States 		Pulaski Circle
(41.76294, -72.67616) 		Rotary
Existing 		Other
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		Yield on circulatory roadway.
New London, CT
New London Co.
United States 		Lincoln Ave. / Colver St.
(41.35554, -72.11288) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Niantic, CT
New London Co.
United States 		(Rocky Neck State Park entrance)
(41.31555, -72.24149) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Bridgeport, CT
Fairfield Co.
United States 		Soundview Dr. / Monument Dr.
(41.16021, -73.18696) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Westport, CT
Fairfield Co.
United States 		(Sherwood Island State Park entrance) / (Sherwood Island Connector)
(41.11541, -73.33051) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Longmeadow, MA
Hampden Co.
United States 		E Greenwich Rd. / Normandy Rd.
(42.06791, -72.56661) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Marion, IA
Linn Co.
United States 		County Home Rd. / C Ave. Extension
(42.09487, -91.64848) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 https://cbs2iowa.com/news/local/county-home-road-reopens-in-linn-county-after-improvement-project
Marion, IA
Linn Co.
United States 		County Home Rd. / Alburnett Rd.
(42.09450, -91.61904) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2020).
Marion, IA
Linn Co.
United States 		10th St. / 10th Ave. / Central Ave.
(42.03629, -91.59934) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 https://www.cityofmarion.org/Home/Components/News/News/6547/
Hanover, PA
York Co.
United States 		E Walnut St. / Keagy Ave.
(39.82267, -76.97161) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Hanover, PA
York Co.
United States 		E Walnut St. / Hollywood Ave.
(39.82089, -76.97224) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Rockford, IL
Winnebago Co.
United States 		Lyford Rd. / (medical center entrance)
(42.31307, -88.95526) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Single-Lane 		2018 Yielding right-turn bypass lanes on south and east legs. Year Completed estimated (2018-2019).
Anacortes, WA
Skagit Co.
United States 		32nd St. / M Ave.
(48.49641, -122.61753) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.goskagit.com/anacortes/news/federally-funded-roundabout-opens-at-32nd-and-m-in-anacortes/article_481122ae-2328-11ed-bc4e-6bf692cd6133.html
Mansfield, OH
Richland Co.
United States 		Mansfield-Lucas Rd. / Illinois Ave. / E Cook Rd.
(40.73380, -82.48583) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 Opened August 11, 2022. https://www.richlandsource.com/business/community_development/roundabout-at-cook-illinois-mansfield-lucas-to-be-opened-thursday-at-10-a-m/article_1ff0124e-18e7-11ed-aa9f-0f857334eaa6.html
Elmsford, NY
Westchester Co.
United States 		Old Saw Mill River Rd. / Grasslands Rd.
(41.07631, -73.81875) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Hammond, IN
Lake Co.
United States 		E Gostlin St. / Sheffield Ave.
(41.63211, -87.51847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2021-2022).
Gum Spring, VA
Louisa Co.
United States 		US 250 (Broad Street Rd.) / US 522 (Cross Country Rd.)
(37.77548, -77.89690) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022
Oljato-Monument Valley, UT
San Juan Co.
United States 		US 163 / Monument Valley Rd.
(37.00424, -110.17341) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 https://www.nhonews.com/news/2018/jun/19/oljato-community-breaks-ground-roundabout-road-nav/
Red Deer County, AB
Division 8
Canada 		AB Hwy 2A / Airport Dr. / Township Road 372
(52.17205, -113.86197) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
 Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021 https://www.reddeeradvocate.com/news/red-deer-county-roundabouts-completed/