Roundabouts Database

29483 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
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).
Rowley Downs, CO
Douglas Co.
United States 		Aintree Ct. / Aintree Pl.
(39.50899, -104.75397) 		Other
Existing 		Unknown
Unknown 		3 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Hidden River, CO
Douglas Co.
United States 		Club Dr. / Bridlewood Ln.
(39.50029, -104.74912) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Parker, CO
Douglas Co.
United States 		Blackmoor St.
(39.50578, -104.72041) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
The Farm, CO
El Paso Co.
United States 		Ent Pkwy. / Federal Dr.
(38.99879, -104.81095) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2022).
Interquest, CO
El Paso Co.
United States 		United Heights / (unknown)
(38.98973, -104.80083) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		No splitter islands on north and south legs.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Post Oak Dr.
(38.78168, -104.74115) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Monica Dr. W
(38.78171, -104.74739) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Springnite Dr.
(38.78171, -104.75088) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
McCalla, AL
Jefferson Co.
United States 		Old Tuscaloosa Hwy. / McAdory School Rd.
(33.33566, -87.01218) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022 https://www.youtube.com/watch?v=GS7xX-8KUkc
Fort Mill, SC
York Co.
United States 		York Southern Rd. / Carolina Orchards Rd.
(35.05855, -80.92876) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Buffalo, MN
Wright Co.
United States 		10th St. NE / Calder Ave. NE
(45.16556, -93.84756) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Albertville, MN
Wright Co.
United States 		50th St. NE / Barthel Industrial Dr. NE / Maciver Ave. NE
(45.22427, -93.64383) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2019 Elliptical shaped. ICD = 160 ft x 130 ft. Replaced offset T-intersections. Year Completed estimated (2018-2019).
Otsego, MN
Wright Co.
United States 		95th St. NE (CR 39) / Odean Ave. NE
(45.28502, -93.59096) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Otsego, MN
Wright Co.
United States 		Nashua Ave. NE / 85th St. NE
(45.27443, -93.61225) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2019 Replaced offset T-intersections. Year Completed estimated (2018-2019).
Elk River, MN
Sherburne Co.
United States 		181st Ave. NW / Johnson St. NW / (parking)
(45.29948, -93.52681) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2021 Elliptical shaped. ICD = 125 ft x 115 ft. Year Completed estimated (2020-2021).
Forest Lake, MN
Anoka Co.
United States 		W Broadway Ave. / Kettle River Blvd.
(45.28642, -93.02990) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2016).
St Michael, MN
Wright Co.
United States 		50th St. NE / Naber Ave. NE
(45.22444, -93.62400) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
28.9560 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2019 Year Completed estimated (2018-2019).
Dayton, MN
Hennepin Co.
United States 		129th Ave. N / Pineview Ln. N
(45.18821, -93.44235) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2020-2021).
Blaine, MN
Anoka Co.
United States 		Austin St. / 108th Ave.
(45.16552, -93.16653) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2019-2020).
Hugo, MN
Washington Co.
United States 		130th St. N / Flay Rd. N
(45.13819, -92.99449) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2019
Upper Marlboro, MD
Prince George's Co.
United States 		Governors Park Ln. / Chancelsors Dr.
(38.83526, -76.73311) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Upper Marlboro, MD
Prince George's Co.
United States 		Presidential Golf Dr. / Pentland Hills Dr.
(38.84025, -76.73519) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Odenton, MD
Anne Arundel Co.
United States 		Sand Lens Dr. / Water Strider Way
(39.02435, -76.72793) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2020
Odenton, MD
Anne Arundel Co.
United States 		Meyers Station Rd. / Conway Rd.
(39.02871, -76.71317) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Gambrills, MD
Anne Arundel Co.
United States 		Nancarles Dr. / Kirchner Ln.
(38.98934, -76.68111) 		Other
Existing 		Unknown
Unknown 		3 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Odenton, MD
Anne Arundel Co.
United States 		Town Center Blvd. / Odenton Landing Way / Odenton Ave.
(39.09810, -76.70709) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2018 Year Completed estimated (2017-2018).
Glen Burnie, MD
Anne Arundel Co.
United States 		Hancock Ln. / Mayflower Cir.
(39.14357, -76.62097) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Pasadena, MD
Anne Arundel Co.
United States 		Ashberry Ln. / Dewberry Ln. / Dewberry Cir.
(39.13099, -76.59326) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Pasadena, MD
Anne Arundel Co.
United States 		Pinehurst Harbour Way
(39.12192, -76.43538) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Silver Bluff, FL
Miami-Dade Co.
United States 		SW 23rd Ave. / SW 25th Terrace
(25.74490, -80.23195) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2013).
Salisbury, MD
Wicomico Co.
United States 		Legacy Way / Sawback Ln.
(38.36523, -75.62309) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lewes, DE
Sussex Co.
United States 		Senators Dr. / Roth Dr.
(38.75454, -75.13536) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Camden, DE
Kent Co.
United States 		Tidbury Crossing / Mardela Dr.
(39.09787, -75.55114) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Westfield, IN
Hamilton Co.
United States 		E 161st St. / Westfield Blvd. / S Union St.
(40.02203, -86.12753) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 Opened August 1, 2022.
Center City, MN
Chisago Co.
United States 		US 8 (Lake Blvd.) / Pleasant Valley Rd.
(45.38276, -92.79510) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2020).
Elk River, MN
Sherburne Co.
United States 		Twin Lakes Rd. NW / Viking Blvd. NW
(45.32852, -93.52068) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Elk River, MN
Sherburne Co.
United States 		Twin Lakes Rd. NW / Cleveland Rd. NW
(45.32168, -93.52175) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Minnetonka, MN
Hennepin Co.
United States 		Ridgedale Dr. / (parking)
(44.96568, -93.44039) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Minnetonka, MN
Hennepin Co.
United States 		Ridgedale Dr. / YMCA Ln. / (parking)
(44.96611, -93.43363) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2020
Chaska, MN
Carver Co.
United States 		Big Woods Blvd. / US 212 WB Off-Ramp
(44.79113, -93.63390) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2020 Add-lane right-turn bypass lane on south leg. Year Completed estimated (2019-2020).
Dahlonega, GA
Lumpkin Co.
United States 		GA 9 (Dawsonville Hwy.) / GA 52
(34.52029, -84.04569) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021
Fond du Lac, WI
Fond Du Lac Co.
United States 		Fond du Lac Ave. / Rienzi Rd. / National Ave.
(43.76212, -88.42196) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2021 Combined two T-intersections. Year Completed estimated (2020-2021).
Hoschton, GA
Barrow Co.
United States 		GA 211 / Old Hog Mountain Rd. / Covered Bridge Rd.
(34.06993, -83.78637) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021
Laurel, MS
Jones Co.
United States 		Sawmill Rd. / Sixth Ave. / Central Ave.
(31.69357, -89.13285) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2022 Central Ave is one-way exiting roundabout. http://laurelmainstreet.com/tag/roundabout/
James City, NC
Craven Co.
United States 		Terminal Dr. / Airline Dr. / (parking)
(35.07889, -77.03292) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Only 2 approaches but 4 exits. Year Completed estimated (2019-2022).
Palm Beach Gardens, FL
Palm Beach Co.
United States 		Campus Dr. / Fairchild Ave.
(26.84129, -80.08277) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2021 Pedestrian crossings next to circulatory roadway. Year Completed estimated (2021-2022).
Red Deer, AB
Division 8
Canada 		Signet Close / Seneca Dr.
(52.23689, -113.82224) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.0000 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2016-2017).
Thief River Falls, MN
Pennington Co.
United States 		STH 32 / CSAH 16 (Mark Blvd. - 125th Ave. NE)
(48.09335, -96.19746) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2020
Troy, AL
Pike Co.
United States 		University Ave. / Luther Dr. (Veterans Memorial Dr.)
(31.79810, -85.95395) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2019-2022).
Watertown, NY
Jefferson Co.
United States 		Gaffney Dr. / Commerce Park Dr. / Western Blvd.
(43.98164, -75.94248) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2020
Willmar, MN
Kandiyohi Co.
United States 		US 12 / 30th St. SW (CR 5)
(45.12227, -95.08369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2019-2021). https://www.dot.state.mn.us/d8/projects/willmarwye/index.html
Willmar, MN
Kandiyohi Co.
United States 		US 12 / (unknown)
(45.12091, -95.09405) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2019-2021). https://www.dot.state.mn.us/d8/projects/willmarwye/index.html
Kristianstad, Skåne County
Kristianstad
Sweden 		Fredriksdalsvägen / Arkelstorpsvägen
(56.06148, 14.16988) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane
Palm Coast, FL
Flagler Co.
United States 		Pinnacles Dr. / Pinnacles Dr.
(29.47417, -81.19097) 		Other
Existing 		Unknown
Unknown 		2 Approaches
4 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Vancouver, WA
Clark Co.
United States 		SR 500 (NE Fourth Plain Rd.) / NE182nd Ave.
(45.67192, -122.48864) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
26.8221 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2022 Compact roundabout. WSDOT project. Completed August 20, 2022. Colored apron with asphalt interior.
Mantua, OH
Portage Co.
United States 		SR 82 / Chamberlain Rd.
(41.30863, -81.28112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.record-courier.com/story/news/2022/07/30/mantua-roundabout-finally-open-odot-says-improve-safety/10173568002/
Castle Rock, CO
Douglas Co.
United States 		Plum Creek Pkwy. / S Eaton Cir. / Eaton St.
(39.36073, -104.83311) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Elliptical shaped. ICD = 145 ft x 115 ft. Year Completed estimated (2020-2021).
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
Ashland, OH
Ashland Co.
United States 		US 250 / Cottage St. / Faultless Dr.
(40.88726, -82.32632) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://www.ashlandsource.com/news/ashland-roundabout-construction-chugs-along/article_c61e13a0-0929-11ed-abda-6798832391cc.html
McKinney, TX
Collin Co.
United States 		Tour Dr.
(33.14233, -96.73049) 		Other
Existing 		Uncontrolled
None 		2 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005 Building with driveways in central island.
Greenville, OH
Darke Co.
United States 		US 36 / SR 121
(40.05553, -84.65353) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022
De Graff, OH
Logan Co.
United States 		SR 47 / SR 235
(40.35117, -83.90907) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2022