Roundabouts Database

29822 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
Riverhead, NY
Suffolk Co.
United States 		Rte. 58 / Roanoke Ave.
(40.93315, -72.67399) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.7005 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Was single-lane traffic circle. Redesigned, resigned, and restriped in 2009. ICD estimated from Google Maps linework.
(unincorporated), GA
Chatham Co.
United States 		(unknown) / (unknown)
(32.21583, -81.19500) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
75.7843 		Other (At-Grade)
Single-Lane 		2006 Water fountain in center. ICD estimated from Google Maps linework.
Edmonds, WA
Snohomish Co.
United States 		Main St. / 5th Ave.
(47.81061, -122.37753) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Water fountain in the middle.
Warren, PA
Warren Co.
United States 		US 6 Business (Pennsylvania Ave. W) / US 62 (Market St.) / US 62-US 6 Business (Pennsylvania Ave. W) / Market St. / Water St.
(41.84381, -79.14495) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 Water Street is one-way exit. https://radio.wpsu.org/2023-09-27/penndot-roundabouts-warren-construction.
Hanford, CA
Kings Co.
United States 		Hanford Armona Rd. / SR 198 WB On-Ramp / 13th Ave.
(36.31440, -119.69355) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
53.8925 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 WB bypass lane. ICD estimated from Google Maps linework.
Sarasota, FL
Sarasota Co.
United States 		Honore Ave. / Sawgrass Rd.
(27.33234, -82.46388) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.5248 		Other (At-Grade)
Single-Lane 		2010 WB right turn lane. ICD estimated from Google Maps linework.
Sarasota, FL
Sarasota Co.
United States 		Honore Ave. / Palmer Blvd.
(27.32671, -82.46387) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
29.7093 		Other (At-Grade)
Single-Lane 		2011 WB right-turn bypass lane. ICD estimated from Google Maps linework.
Wesley Chapel, FL
Pasco Co.
United States 		Country Point Blvd. / Rolling Green Dr. / Pointe O'Woods Dr. / Five Farms Ave. / Fresh Meadow Way
(28.22135, -82.31412) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
68.8845 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		Weaving sections between legs.
Oviedo, FL
Seminole Co.
United States 		Franklin St. / Geneva Dr. / Division St.
(28.67359, -81.20439) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
34.5795 		Other (At-Grade)
Single-Lane 		2006 Website: http://www.cityofoviedo.net/files/Roundabouts.pdf ICD estimated from Google Maps linework.
Thornton, CO
Adams Co.
United States 		Grant St. / E 141 Pl.
(39.95214, -104.98286) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2016 West leg added 2022-2023.
Georgetown, DE
Sussex Co.
United States 		Sand Hill Rd. / Clark Dr.
(38.70163, -75.36785) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022 West leg is entrance to Cheer Community Center. East leg stubbed. https://www.wmdt.com/2022/08/georgetown-east-gateway-project-completed-ensuring-safer-roadways-for-locals/
Orion, MI
Oakland Co.
United States 		Baldwin Rd. / (parking)
(42.72527, -83.30757) 		Roundabout
Existing 		All-Way Yield
Pedestrian Hybrid Beacon (PHB, HAWK) 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2020 West leg is for athletic club; east leg is for a small strip mall. A fountain is featured in the circle.
Vicente López, Buenos Aires Province
Partido de Vicente López
Argentina 		Vial Costero Raúl Alfonsín / General Julio Argentino Roca
(-34.52077, -58.46994) 		Unknown
Existing 		Unknown
Pedestrian Signal (red-yellow-green to drivers) 		2 Approaches
1 Driveways
 Other (At-Grade)
Multilane (2 Lane, unspecified) 		West leg is one way exiting.
Independence, MI
Oakland Co.
United States 		Sashabaw Rd. / Oak Hill Rd.
(42.79422, -83.37240) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 West leg is unpaved away from roundabout.
Genoa Township, MI
Livingston Co.
United States 		Challis Rd. / Bauer Rd.
(42.54205, -83.81326) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 West leg of Challis Road realigned to south at roundabout. https://www.livingstondaily.com/story/news/local/community/genoa-township/2024/09/02/roundabout-at-challis-bauer-roads-in-genoa-township-now-open/75001158007/
Ellijay, GA
Gilmer Co.
United States 		GA 382 / Old Highway 5
(34.63999, -84.50847) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021 West leg realigned 360 feet to south to create four-legged intersection. Year Completed estimated (2019-2021).
Sacramento, CA
Sacramento Co.
United States 		Butterfield Way / (parking)
(38.56675, -121.34436) 		Other
Existing 		Other
None 		3 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Single-Lane 		West leg stop controlled.
Loveland, CO
Larimer Co.
United States 		Boyd Lake Ave. / Lost Creek Dr.
(40.41446, -105.02100) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
37.2826 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 West leg stubbed for future road. ICD estimated from Google Maps linework.
Superior, CO
Boulder Co.
United States 		McCaslin Blvd. / Main St.
(39.95173, -105.16511) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
51.2711 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 West leg stubbed for future. ICD estimated from Google Maps linework.
Headingley, MB
Division 11
Canada 		Festival Dr. / Camp Manitou Rd.
(49.88089, -97.33834) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
56.0000 		Other (At-Grade)
Single-Lane 		2015 West leg stubbed.
Lincoln, NE
Lancaster Co.
United States 		N 86th St. / Garland St.
(40.83451, -96.60401) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
33.8325 		Other (At-Grade)
Single-Lane 		2007 West leg stubbed.
Howard, WI
Brown Co.
United States 		Evergreen Rd. / Marley St.
(44.58025, -88.17017) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2021 West leg stubbed.
Hrdějovice, South Bohemia
Budweis
Czechia 		Rte 603 / Na Bahnech
(49.01371, 14.49318) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		West leg stubbed.
Gardnerville, NV
Douglas Co.
United States 		Muller Pkwy. / Pinenut Rd.
(38.91887, -119.71378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
60.9600 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2012 West leg stubbed.
Hanahan, SC
Berkeley Co.
United States 		Tanner Hall Blvd. / (parking)
(32.93118, -79.99964) 		Other
Existing 		Uncontrolled
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2004 West leg stubbed.
Waterloo, ON
Waterloo
Canada 		Millennium Blvd. / Crossgate Blvd.
(43.52326, -80.49690) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2011 West leg stubbed. Year Completed estimated (2009-2012).
Flagstaff, AZ
Coconino Co.
United States 		Resort Blvd. / (parking) / (unknown)
(35.16563, -111.27053) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2013 West leg stubbed. Year Completed estimated (2012-2013).
Mineral, VA
Louisa Co.
United States 		US 522 (Zachary Taylor Hwy.) / SR 208 (New Bridge Rd.)
(38.08007, -77.87956) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 West leg stubbed. Year Completed estimated (2024-2025).
Gloucester, VA
Gloucester Co.
United States 		W Main St. / Waltons Ln. / Fox Centre Pkwy.
(37.39841, -76.52674) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.9525 		Other (At-Grade)
Single-Lane 		2005 West of Route 17, near Walmart and Home Depot retail. ICD estimated from Google Maps linework.
Florence, Tuscany
Florence
Italy 		Viale Etrutia / Via Giovan Battista Foggini
(43.77316, 11.21301) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
 Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		Westbound through movement grade separated under roundabout.
Kingswood, NSW
Penrith
Australia 		Second Ave. / John Flak Ave.
(-33.76459, 150.73078) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
 Other (At-Grade)
Single-Lane 		Western Sydney University.
Framingham, MA
Middlesex Co.
United States 		Union Ave / Main St / Maple St
(42.29709, -71.43089) 		Other
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
2 Driveways
51.2374 		Other (At-Grade)
Single-Lane 		Wide circular roadway (2 lane) All approaches 1 lane Geometry unconventional; decreases overview (oval circular road, with minor approaches under an angle) Residential context repaved surface in 2016; new pavement markings consisting of three high vis crosswalks 1 South and 2 North on the major road. No further improvements to pavement markings now or in the last 10 years. Speed limit 25 mph ICD estimated from Google Maps linework.
Norwood, MA
Norfolk Co.
United States 		Washington St. / Upland Rd. / Prospect St. / Fulton St.
(42.20417, -71.19667) 		Other
Existing 		Other
Unknown 		5 Approaches
3 Driveways
46.0047 		Other (At-Grade)
Single-Lane 		Wide circular roadway New Pavement markings on circular roadway approx 2016 (e.g. splitter island, traffic lanes dedicated LT T RT on Prospect St) New pavement markings to extend/complete central island. Markings go into roadway on washington street. no additional pm on Washington street to delineate TL. Missing or submerged curbs, various layers of resurfacing and fixtures of potholes. Sidewalks present, CW present CW SB along Washington St very long (2 x 70 - 90 ft) possible drainage issues, general water management concerns with condition existing inlets Bus lane 34E on Washington Street; bus stop just south of traffic circle ICD estimated from Google Maps linework.
Cary, NC
Wake Co.
United States 		Cornerstone Dr. / Valleystone Dr.
(35.79087, -78.85090) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8764 		Other (At-Grade)
Single-Lane 		2006 Wide circulatory roadway with no truck apron. ICD estimated from Google Maps linework.
Derby, KS
Sedgwick Co.
United States 		High Park Dr. / James St.
(37.55547, -97.22664) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.6601 		Other (At-Grade)
Single-Lane 		2009 Wide circulatory roadway with no truck apron; minimal splitter islands. One-stage pedestrian crossing on north leg. Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Brooklyn Park, MN
Hennepin Co.
United States 		Seltzer Pkwy. / Neddersen Pkwy. / Founders Pkwy.
(45.11604, -93.36655) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
40.4547 		Other (At-Grade)
Single-Lane 		1995 Will be a 4th leg in future (Tessman Pkwy.). Functional Class: Collector ICD estimated from Google Maps linework.
Conway, AR
Faulkner Co.
United States 		College Ave. / Country Club Rd.
(35.08526, -92.48056) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
18.5690 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2018 Will be completed by December 2018 ICD estimated from Google Maps linework.
Aurora, CO
Arapahoe Co.
United States 		S Old Tom Morris Rd. / Catawba Cir. / (golf course parking lot)
(39.68629, -104.70910) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.0875 		Other (At-Grade)
Single-Lane 		2000 Windmill in central island. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Provo, UT
Utah Co.
United States 		550 West / 1950 North
(40.26043, -111.66600) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
21.8738 		Other (At-Grade)
Single-Lane 		Within parking lot; not fully developed as roundabout. Functional Class: Local ICD estimated from Google Maps linework.
Parker, CO
Douglas Co.
United States 		Pavilion Dr. / (parking lots)
(39.50940, -104.76748) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.6435 		Other (At-Grade)
Single-Lane 		2003 Within shopping center. Year Completed estimated (2001-2004). ICD estimated from Google Maps linework.
Ottawa, ON
Ottawa
Canada 		(unknown)
(45.28965, -75.90432) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2011 Within shopping centre. Year Completed estimated (2009-2012).
Ottawa, ON
Ottawa
Canada 		(unknown)
(45.28800, -75.90712) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2011 Within shopping centre. Year Completed estimated (2009-2012).
Tallahassee, FL
Leon Co.
United States 		(mall entrance) / (parking)
(30.47465, -84.28948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2015 Within Tallahassee Mall. Year Completed estimated (2014-2015).
Perrysburg, OH
Wood Co.
United States 		SR 199 (McCutchenville Pike) / Roachton Rd.
(41.52196, -83.60449) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.0852 		Other (At-Grade)
Single-Lane 		2016 WOO-199-27.97 PID 96355 E131324 ICD estimated from Google Maps linework.
Snohomish, WA
Snohomish Co.
United States 		SR 9 / Bickford Ave.
(47.93379, -122.10107) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 WSDOT safety project that was completed in early Sept 2022. Includes right-turn bypass lane for NB to EB movement
Berlin, MA
Worcester Co.
United States 		River Rd W / Basset Rd
(42.35534, -71.62343) 		Roundabout
Existing 		All-Way Yield
Other 		4 Approaches
0 Driveways
32.6557 		Other (At-Grade)
Single-Lane 		2016 X-W11-2 installed on all approaches splitter islands with crosswalks (high vis ladders) new sidewalks around the roundabout. context in development, more mixed-use seems to be planned for the future ICD estimated from Google Maps linework.
Quesnel, BC
Cariboo
Canada 		Johnston Ave. / Ranch Rd.
(52.97197, -122.48810) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.0000 		Other (At-Grade)
Single-Lane 		2005 Year Completed 2005 or earlier.
Elk Grove, CA
Sacramento Co.
United States 		W Camden Dr. / N Camden Dr. / Camden Lake Way
(38.42732, -121.37700) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		1988 Year Completed apparent from historical Google Earth aerial photos.
Waterville, QC
Coaticook Regional County Municipality
Canada 		Route Gilbert-Hyatt (Rte 108-Rte 143) / Rte 147
(45.34374, -71.86662) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
43.6507 		Other (At-Grade)
Single-Lane 		2011 Year Completed based on Streetview. ICD estimated from Google Maps linework.
Sjöbo, Skåne County
Sjöbo kommun
Sweden 		Malmövägen / Ringvägen / Hörbyvägen / Planteringsgatan
(55.63480, 13.68188) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
91.4400 		Other (At-Grade)
Single-Lane 		Year Completed before 2002.
New Stanton, PA
Westmoreland Co.
United States 		I-70 / Bair Blvd
(40.21722, -79.61435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.7756 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 Year Completed could be 2017. ICD estimated from Google Maps linework.
New Stanton, PA
Westmoreland Co.
United States 		I-70 / Pennsylvania Ave / SR 3089
(40.21546, -79.61296) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.1608 		Freeway Ramps (Grade-Separated)
Single-Lane 		2016 Year completed could be 2017. ICD estimated from Google Maps linework.
Fishers, IN
Hamilton Co.
United States 		E 131st St. / Lantern Rd.
(39.97875, -86.01409) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
33.8622 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimate (2009-2012). ICD estimated from Google Maps linework.
Höör, Skåne County
Höör
Sweden 		Rte 23 (Malmövägen) / Södergatan
(55.92653, 13.54512) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.0000 		Other (At-Grade)
Single-Lane 		1990 Year Completed estimated (1985-2002).
Eslöv, Skåne County
Eslöv
Sweden 		Rte 17 (Norra vägen) / Smålandsvägen
(55.85544, 13.30568) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
70.0000 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1985-2005).
Eslöv, Skåne County
Eslöv
Sweden 		Trollenäsvägen / Vetegatan / Anders Sassers väg
(55.84915, 13.27799) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (1985-2005).
Eslöv, Skåne County
Eslöv
Sweden 		Trollenäsvägen / Husarvägen / Marieholmsvägen
(55.84585, 13.28324) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (1985-2005).
Victoria, BC
Capital
Canada 		Glen Lake Rd. / Park Dale Dr. / Alouette Dr.
(48.44038, -123.52993) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
30.0000 		Other (At-Grade)
Single-Lane 		2010 Year Completed estimated (1985-2011).
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).
Las Vegas (Summerlin), NV
Clark Co.
United States 		Vista Run Dr. / Park Vista Dr.
(36.17820, -115.34610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
46.2741 		Other (At-Grade)
Single-Lane 		1995 Year completed estimated (1990-1999) ICD estimated from Google Maps linework.
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).
Glenelg, MD
Howard Co.
United States 		Triadelphia Rd. / Ten Oaks Rd.
(39.26399, -76.98621) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1992-2002).
Prescott, AZ
Yavapai Co.
United States 		E Smoke Tree Ln. / Northridge Dr. / Solstice Dr.
(34.58711, -112.44239) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
40.3132 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1992-2002). ICD estimated from Google Maps linework.
Prescott, AZ
Yavapai Co.
United States 		Blooming Hills Dr. / S Blooming Hills Dr.
(34.58020, -112.44489) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.4332 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1992-2002). ICD estimated from Google Maps linework.
Menasha, WI
Calumet Co.
United States 		Fountain Way / Whisper Falls Ln. / Whisper Falls Ct.
(44.21290, -88.36640) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (1992-2005).
Eagle Mountain, UT
Utah Co.
United States 		E Eagle Mountain Blvd. / N Sweetwater Rd.
(40.30679, -112.01476) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		1995 Year Completed estimated (1993-1997).
Raleigh, NC
Wake Co.
United States 		Falls River Ave. / Southwalk Ln.
(35.91055, -78.58734) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
75.4515 		Other (At-Grade)
Single-Lane 		1996 Year completed estimated (1993-1998) ICD estimated from Google Maps linework.
(unincorporated), CO
Douglas Co.
United States 		Fox Sparrow Rd. / Windhaven Dr.
(39.43781, -104.73199) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
26.7495 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Golden Eagle Pkwy. / Heron St.
(39.97720, -104.74991) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
89.6910 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Goshawk St. / Goshawk Ct. / Heron Ln.
(39.97633, -104.74956) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
58.5745 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Golden Eagle Pkwy. / Tanager St.
(39.97858, -104.74845) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
84.1980 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Golden Eagle Pkwy. / Crane St. / Southern St.
(39.97963, -104.74733) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
96.0941 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Nighthawk Pkwy. / Crane St.
(39.98134, -104.74878) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
65.8914 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Nighthawk Pkwy. / Heron St.
(39.98132, -104.75076) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
96.0917 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Goshawk St. / Tanager St.
(39.97816, -104.74840) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7104 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO
Adams Co.
United States 		Goshawk St. / Crane St.
(39.97920, -104.74729) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
24.7101 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Sports Blvd. / Wright St.
(39.71698, -104.89131) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.3738 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Denver, CO
Denver Co.
United States 		Sports Blvd. / Great Lawn Dr.
(39.71922, -104.88740) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
15.6172 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
North Augusta, SC
Aiken Co.
United States 		Riverside Blvd. / E Shoreline Dr. / Railroad Ave. / Landing Dr.
(33.48467, -81.97233) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
43.8288 		Other (At-Grade)
Single-Lane 		1996 Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Main St.
(39.12333, -77.23855) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Kentlands Blvd. / Market St.
(39.12309, -77.23489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		1994 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Washingtonian Blvd. / Rio Blvd.
(39.11678, -77.20122) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1993-2002).
Gaithersburg, MD
Montgomery Co.
United States 		Washingtonian Blvd. / Washington Blvd.
(39.11773, -77.20314) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Year Completed estimated (1993-2002).
Ellicott City, MD
Howard Co.
United States 		Lancelot Cross / Butterfruit Way / Argent Path / Stardust Ln.
(39.28522, -76.90384) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002).
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).
Pleasanton, CA
Alameda Co.
United States 		Mill Creek Pl. / Oak Vista Way
(37.65794, -121.89347) 		Traffic Calming Circle
Existing 		Uncontrolled
None 		3 Approaches
1 Driveways
16.0738 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr. / Wildlife Dr.
(39.31993, -76.75019) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
14.7833 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Windsor Mill, MD
Baltimore Co.
United States 		Lord Baltimore Dr. / Glen Spring Rd. / Kettle Ct.
(39.31750, -76.75152) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.5558 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). ICD estimated from Google Maps linework.
Chaska, MN
Carver Co.
United States 		Clover Ridge Dr. / Clover Preserve Dr. / Walden Dr.
(44.81900, -93.63693) 		Roundabout
Existing 		Unknown
None 		4 Approaches
0 Driveways
28.8042 		Other (At-Grade)
Single-Lane 		2002 Year completed estimated (1993-2002). ICD estimated from Google Maps linework.
Gaithersburg, MD
Montgomery Co.
United States 		Winter Walk Dr. / Highland Ridge Ave.
(39.12807, -77.22692) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.2800 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2002). Was cul-de-sac prior to addition of two more legs. ICD estimated from Google Maps linework.
Suisun City, CA
Solano Co.
United States 		Charleston St. / McClellan Dr.
(38.25614, -121.98578) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1993-2003).
St George, UT
Washington Co.
United States 		Price Hills Dr. / Desert Hills Dr.
(37.05063, -113.56994) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1993-2003).
Chaska, MN
Carver Co.
United States 		Hundertmark Rd. / Clover Ridge Dr.
(44.81856, -93.63370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3460 		Other (At-Grade)
Single-Lane 		2002 Year completed estimated (1993-2003). ICD estimated from Google Maps linework.
St George, UT
Washington Co.
United States 		N Country Ln. / Stonebridge Dr. / W Monterey Dr.
(37.11117, -113.62943) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.1450 		Other (At-Grade)
Single-Lane 		2001 Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
Lakeport, CA
Lake Co.
United States 		Todd Rd. / Parallel Dr.
(39.03226, -122.92521) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.5433 		Other (At-Grade)
Single-Lane 		1998 Year Completed estimated (1993-2003). ICD estimated from Google Maps linework.
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.
Chesapeake Beach, MD
Calvert Co.
United States 		Harrison Blvd. / Sansbury Dr.
(38.69561, -76.55797) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1993-2004).
Columbia, MO
Boone Co.
United States 		Grant Ln. / Trailside Dr. / Post Oak Dr.
(38.92438, -92.39510) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
16.7249 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		1995 Year Completed estimated (1994-1995). ICD estimated from Google Maps linework.
Carson City, NV
Carson City Co.
United States 		Northridge Dr. / Carriage Crest Dr.
(39.18290, -119.75077) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		1997 Year Completed estimated (1994-1999).
Carson City, NV
Carson City Co.
United States 		Northridge Dr. / Tablerock Dr.
(39.18460, -119.75685) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		1999 Year Completed estimated (1994-1999).