Roundabouts Database

30229 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
Coventry, RI
Kent Co.
United States 		Dante Blvd. / Angelina Dr.
(41.66726, -71.56369) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2008
Sanford, FL
Seminole County
United States 		SR 46 / Glade View Dr.
(28.81298, -81.37718) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
65.5320 		Other (At-Grade)
Single-Lane 		2021 Underneath SR 429 but without any direct connection.
Sanford, FL
Seminole County
United States 		SR 46 / Markham Rd.
(28.81344, -81.38801) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Single-Lane 		2022 Underneath SR 429 but without any direct connection.
Sanford, FL
Seminole County
United States 		SR 46 / Yankee Lake Rd.
(28.81487, -81.40113) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
64.0080 		Other (At-Grade)
Single-Lane 		2022 Underneath SR 426 but without direct connection.
Sanford, FL
Seminole County
United States 		SR 46 / Longwood Markham Rd. / SR 46-SR 429 Ramps
(28.81487, -81.40566) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
64.0080 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2021
Sanford, FL
Seminole County
United States 		SR 46 / Osprey Hammock Trl. / River Oaks Cir.
(28.81503, -81.41312) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
71.6280 		Other (At-Grade)
Single-Lane 		2021 Passes underneath SR 429 but with no direct connection.
Lower Sackville, NS
Halifax
Canada 		Glendale Ave. / Hwy 102 SB Ramps
(44.75648, -63.64662) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
72.0000 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2024 https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside
Lower Sackville, NS
Halifax
Canada 		Duke St. / Hwy 102 NB Ramps / Hwy 107
(44.75484, -63.64417) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
65.0000 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2024 https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside
Burnside, NS
Halifax
Canada 		Burnside Dr. / Hwy 107 WB Entrance Ramp
(44.72592, -63.59776) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
60.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2024 https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside
Burnside, NS
Halifax
Canada 		Burnside Dr. / Hwy 107 WB Exit Ramp
(44.72429, -63.59823) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
65.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2024 https://news.novascotia.ca/en/2024/12/20/new-highway-connects-sackville-bedford-burnside
Burnside, NS
Halifax
Canada 		Burnside Dr. / Akerley Blvd.
(44.72910, -63.58599) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Year Completed estimated (2023-2024).
Burnside, NS
Halifax
Canada 		Akerley Blvd. / Hwy 107 WB Exit Ramp / Harold Shanks Ave.
(44.72546, -63.58373) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
60.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2021 Year Completed estimated (2021-2022).
Burnside, NS
Halifax
Canada 		Akerley Blvd. / Hwy 107 EB Entrance Ramp / Wilkinson Ave.
(44.72212, -63.58175) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
60.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2022
Tucson, AZ
Pima County
United States 		E 2nd St. / N 1st Ave.
(32.23298, -110.96101) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		E 1st St. / N 1st Ave.
(32.23428, -110.96102) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		E 5th St. / N 1st Ave.
(32.22907, -110.96099) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		N 5th Ave. / E 8th St.
(32.22547, -110.96708) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		2023 Painted splitter islands on north and south legs.
Tucson, AZ
Pima County
United States 		N 5th Ave. / E 4th St.
(32.23033, -110.96714) 		Traffic Calming Circle
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		N 7th Ave. / E 4th St.
(32.23031, -110.97020) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W 5th St. / N 9th Ave.
(32.22900, -110.97328) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W 4th St. / N 9th Ave.
(32.23031, -110.97328) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W 4th St. / N 10th Ave.
(32.23030, -110.97481) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W University Blvd. / N 9th Ave.
(32.23161, -110.97330) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W University Blvd. / N 10th Ave.
(32.23160, -110.97483) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W University Blvd. / N 11th Ave.
(32.23159, -110.97637) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W 1st St. / N 11th Ave.
(32.23420, -110.97638) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W 1st St. / N 9th Ave.
(32.23422, -110.97331) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		E 2nd St. / N 7th Ave.
(32.23292, -110.97023) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tucson, AZ
Pima County
United States 		W 2nd St. / N 9th Ave,
(32.23291, -110.97330) 		Traffic Calming Circle
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
South Charleston, WV
Kanawha County
United States 		Kanawha Turnpike / SR 601 (Jefferson Rd.) Ramps
(38.35435, -81.71172) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2025 https://www.youtube.com/watch?v=yTdSPHjvFrA
Lake Mary, FL
Seminole County
United States 		New Technology Blvd. / Caring Dr.
(28.76760, -81.35607) 		Rotary
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
71.6280 		Other (At-Grade)
Single-Lane 		2020 Circulatory roadway is 35 ft wide. Year Completed estimated (2019-2021).
Orlando, FL
Orange County
United States 		Westpointe Blvd. / Vista Royale Blvd.
(28.51895, -81.49756) 		Rotary
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
91.4400 		Other (At-Grade)
Single-Lane
Orlando, FL
Orange County
United States 		Westpointe Blvd. / Abbots Hill Dr.
(28.52013, -81.50067) 		Other
Existing 		All-Way Stop
Unknown 		4 Approaches
0 Driveways
37.1856 		Other (At-Grade)
Single-Lane
Wildwood, FL
Sumter County
United States 		(unknown)
(28.84553, -82.01688) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
34.7472 		Other (At-Grade)
Single-Lane
Sanford, FL
Seminole County
United States 		S Park Ave. / W 9th St. / E 9th St.
(28.80444, -81.26798) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.7264 		Other (At-Grade)
Single-Lane 		2008 Raised crosswalks.
Belton, MO
Cass County
United States 		S Mullen Rd. / E Cambridge Rd.
(38.79909, -94.51296) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2025 Year Completed estimated (2024-2025).
Cartersville, VA
Cumberland County
United States 		SR 45 (Cartersville Rd.) / Columbia Rd.
(37.65869, -78.12544) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2024 https://farmvilleherald.com/2024/03/work-continues-on-cartersville-roundabout-with-end-date-set/
Moreland, GA
Coweta County
United States 		US 29 / US 27 Alternate / Harris Rd. / Ralph Evans Rd.
(33.27899, -84.76548) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2024 Traffic from the west (Harris Rd) must turn right before entering the roundabout. https://www.facebook.com/reel/385831194453450/
Salem, OR
Marion County
United States 		Saginaw St. S / Bush St. S
(44.93127, -123.04547) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Salem, OR
Marion County
United States 		Hood St. NE / Cottage St. NE
(44.95186, -123.02692) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Salem, OR
Marion County
United States 		Hood St. NE / Winter St. NE
(44.95156, -123.02571) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Salem, OR
Marion County
United States 		Locust St. NE / Maple Ave. NE
(44.96427, -123.02495) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Salem, OR
Marion County
United States 		Mandy Ave. SE / Suntree Dr. SE
(44.89556, -123.02910) 		Traffic Calming Circle
Removed 		One-Way/Two-Way Stop
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Removed following negative neighborhood feedback.
(unincorporated), OR
Polk County
United States 		OR 99W / Clow Corner Rd.
(44.89743, -123.22807) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025
Port Ludlow, WA
Jefferson County
United States 		SR 104 / Paradise Bay Rd. / Shine Rd.
(47.86767, -122.63923) 		Roundabout
Existing 		All-Way Yield
Other 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025 Drawbridge signal approximately 800 ft to east. https://wsdot.wa.gov/construction-planning/search-projects/sr-104-paradise-bay-shine-road-sr-19-intersection-safety-improvements
Post Falls, ID
Kootenai County
United States 		E 4th Ave. / N Idaho St.
(47.71101, -116.93727) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2024 Year Completed estimated (2023-2024).
Waterloo, ON
Waterloo
Canada 		Sundew Dr. / Columbia St.
(43.44927, -80.59095) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
50.0000 		Other (At-Grade)
Single-Lane 		2013 Oval shaped. ICD = 50 m x 44 m. Year Completed estimated (2012-2013).
Waterloo, ON
Waterloo
Canada 		Sundew Dr. / Ginseng St.
(43.45044, -80.59323) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.0000 		Other (At-Grade)
Single-Lane 		2019 Painted splitter islands. Year Completed estimated (2018-2019).
Waterloo, ON
Waterloo
Canada 		Sundew Dr. / Wild Calla St.
(43.45271, -80.59570) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.0000 		Other (At-Grade)
Single-Lane 		2019 Painted splitter islands. Year Completed estimated (2018-2019).
Waterloo, ON
Waterloo
Canada 		Laurelwood Dr. / (future road)
(43.47636, -80.56465) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
48.0000 		Other (At-Grade)
Single-Lane 		2014
Waterloo, ON
Waterloo
Canada 		Lake Louise Blvd. / Coldstream Dr.
(43.49487, -80.57648) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.0000 		Other (At-Grade)
Single-Lane 		2018 Pedestrian crossings adjacent to circulatory roadway. Year Completed estimated (2016-2018).
Waterloo, ON
Waterloo
Canada 		Lake Louise Blvd. / Inverhuron Crescent
(43.49647, -80.57254) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
17.0000 		Other (At-Grade)
Single-Lane 		2018 Pedestrian crossings adjacent to circulatory roadway. Year Completed estimated (2016-2018).
Waterloo, ON
Waterloo
Canada 		Lake Louise Blvd. / Rock Point Crescent
(43.49387, -80.57871) 		Traffic Calming Circle
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
20.0000 		Other (At-Grade)
Single-Lane 		2018 Pedestrian crossings adjacent to circulatory roadway. Year Completed estimated (2016-2018).
(unincorporated), GA
Bibb County
United States 		US 80-SR 22 (Eisenhower Pkwy.) / Knoxville Rd.
(32.79855, -83.78279) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2023 Intersection moved about 150 feet west.
Port Wentworth, GA
Chatham County
United States 		International Trade Pkwy. / Little Hearst Pkwy.
(32.18100, -81.18378) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Year Completed estimated (2020-2021).
Boiling Springs, SC
Spartanburg County
United States 		Peachtree Rd. / Bible Church Rd. / Old Burnett Rd. / Midnight Rd.
(35.07115, -81.95207) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2009 Year Completed estimated (2008-2009). Replaced triangle stop-controlled intersection.
Carmel, IN
Hamilton County
United States 		E 96th St. / N College Ave.
(39.92715, -86.14588) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025 https://content.govdelivery.com/attachments/fancy_images/INCARMEL/2025/07/12047605/6331942/college-ave-and-96th-street_crop.jpg https://content.govdelivery.com/accounts/INCARMEL/bulletins/3eb9634 North leg has an extra bypass lane for right turns but I marked as single lane since this lane doesn't allow entree into the roundabout.
Carmel, IN
Hamilton County
United States 		N College Ave. / Carmel Gateway
(39.92869, -86.14591) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025 Newly constructed entrance to commercial development to the west replacing the old entrance further south and for future development to the east. https://content.govdelivery.com/attachments/fancy_images/INCARMEL/2025/07/12047605/6331942/college-ave-and-96th-street_crop.jpg https://content.govdelivery.com/accounts/INCARMEL/bulletins/3eb9634
Senoia, GA
Coweta County
United States 		GA 16 / Old Hwy. 85
(33.29895, -84.59109) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 Year Completed estimated (2022-2023). Intersection shifted approximately 450 ft to the east.
Monticello, GA
Jasper County
United States 		GA 16 / GA 380 (Perimeter Rd.)
(33.30243, -83.63426) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2023 Elliptical shaped. ICD = 160 ft x 145 ft. Year Completed estimated (2023-2024).
Brooks, GA
Spalding County
United States 		GA 16 (Newnan Rd.) / Hollonville R. / Hwy. 85 Connector
(33.25458, -84.48925) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2016).
Rock Hill, SC
York County
United States 		Palmetto Pkwy. / Paragon Way
(34.95949, -80.97499) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2023
Easley, SC
Pickens County
United States 		SC 135 (Dacusville Hwy.) / Jameson Rd.
(34.90548, -82.60143) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://info2.scdot.org/projects/ViewerFiles/P039384_Project%20Handout_05.27.2021.pdf
Santa Clarita, CA
Los Angeles Co.
United States 		Grand Ln. / Vista Canyon Rd.
(34.41431, -118.43437) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Santa Clarita, CA
Los Angeles Co.
United States 		Grand Ln. / Provo Ln.
(34.41741, -118.43096) 		Other
Existing 		Uncontrolled
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Fort Collins, CO
Larimer Co.
United States 		E Mulberry Street Frontage Rd. / Greenfield Dr.
(40.58247, -105.01497) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024
Timnath, CO
Larimer Co.
United States 		Buss Grove Rd. (CR 40) / Timnath Pkwy.
(40.53741, -104.97702) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
57.9120 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024
Timnath, CO
Larimer Co.
United States 		2nd Ave. / Signal Tree Dr.
(40.52405, -104.97700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2020
Timnath, CO
Larimer Co.
United States 		Weitzel St. / Swetsville Zoo Rd.
(40.51930, -104.98815) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Year Completed estimated (2021-2023).
Greeley, CO
Weld Co.
United States 		W F St. / N 35th Ave.
(40.44090, -104.73501) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2022 Right-turn-only lane and two-lane exit on south leg. At-grade rail crossing approximately 260 feet to north. Year Completed estimated (2021-2023).
Greeley, CO
Weld Co.
United States 		W C St. / N 35th Ave.
(40.43739, -104.73495) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Year Completed estimated (2021-2023).
Berthoud, CO
Larimer Co.
United States 		CR 8 / CR 21
(40.30512, -105.13134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2023 https://www.larimer.gov/sites/default/files/2023-safety-report-final-20240806.pdf (page 20)
Estes Park, CO
Larimer Co.
United States 		US 36 (N Saint Vrain Ave.) / Community Dr.
(40.37449, -105.49980) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Year Completed estimated (2019-2024).
Estes Park, CO
Larimer Co.
United States 		US 36 / US 34 Business / Crags Dr.
(40.37248, -105.52360) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Elliptical shaped. Replaced two two-way stop-controlled intersections. ICD = 120 ft x 95 ft. Year Completed estimated (2019-2024).
Johnstown, CO
Weld Co.
United States 		SH 60 / Gateway Cir.
(40.33527, -104.98559) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
59.4360 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2024 Primary access to large travel and fuel center. Year Completed estimated (2023-2024).
La Salle, CO
Weld Co.
United States 		CR 44 / US 85 SB Ramps
(40.30821, -104.74948) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Single-Lane 		2024 https://www.9news.com/article/traffic/us-85-colorado-new-interchange/73-2b7e4e5d-a889-4452-8d39-477c814991d0
Longmont, CO
Boulder Co.
United States 		Harvest Moon Dr. / (parking) / (unknown)
(40.15101, -105.08420) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2023 Right-turn-only lane and two-lane exit on north leg. Year Completed estimated (2022-2023).
Lochbuie, CO
Adams Co.
United States 		E 168th Ave. / Frontage Rd.
(40.00051, -104.71769) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Ellipitcal shaped. ICD = 170 ft x 140 ft.
Broomfield, CO
Adams Co.
United States 		W 122nd Ave. / N Park Centre Dr.
(39.92089, -105.01002) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2002 North leg stubbed. Year Completed estimated (2001-2003).
Thornton, CO
Adams Co.
United States 		Washington Center Pkwy. / Lafayette St.
(39.91876, -104.97204) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2002 Year Completed estimated (1999-2002).
Thornton, CO
Adams Co.
United States 		Riverdale Rd. / Quebec St.
(39.91040, -104.90320) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2018
Westminster, CO
Adams Co.
United States 		W 117th Ave. / Quitman St.
(39.90885, -105.04229) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2005
Aurora, CO
Arapahoe Co.
United States 		Copperleaf Blvd. / Radcliff Pkwy.
(39.63537, -104.72624) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2022 Year Completed estimated (2022-2023).
Westerville, OH
Franklin Co.
United States 		Little Turtle Way W / Longrifle Rd.
(40.08322, -82.87865) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
47.2440 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Yield-controlled right-turn bypass lane on south leg.
Castle Rock, CO
Douglas Co.
United States 		Mikelson Blvd. / Mitchell St.
(39.36622, -104.79813) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024 https://www.youtube.com/watch?v=QkZTn1X4oAY
Castle Rock, CO
Douglas Co.
United States 		Crystal Valley Pkwy. / S Wilcox St. / E Frontage Rd. / I-25 NB Exit Ramp
(39.33865, -104.87343) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		5 Approaches
0 Driveways
60.9600 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2024 https://www.crgov.com/3131/Crystal-Valley-Interchange. Partially open in November 2024.
Castle Rock, CO
Douglas Co.
United States 		E Montaine Cir. / Quarry Mesa Dr.
(39.32630, -104.85197) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
42.6720 		Other (At-Grade)
Single-Lane 		2023
Black Forest, CO
El Paso Co.
United States 		SR 50 (Walker Rd.) / Jane Lundeen Dr.
(39.09974, -104.76828) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8637 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 Double left turn on south leg. Right-turn-only on west leg.
Boiling Springs, SC
Spartanburg County
United States 		Sugar Ridge Rd. / Clark Rd.
(35.05989, -82.02370) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2024 https://www.facebook.com/photo.php?fbid=660831062759092&id=100064966113442&set=a.343020981206770
Boiling Springs, SC
Spartanburg County
United States 		Clark Rd. / Seay Rd.
(35.05945, -82.01234) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2024 Year Completed estimated (2024-2025). https://www.wspa.com/news/local-news/look-alive-more-road-work-coming-to-the-upstate/
Shakopee, MN
Scott County
United States 		Eagle Creek Blvd / Vierling Dr
(44.78342, -93.48206) 		Roundabout
Existing 		All-Way Yield
Other 		4 Approaches
0 Driveways
15.2400 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024 Double left-turn on north leg. Other control is warning lights that emergency vehicles are approaching. See the video for them. https://www.youtube.com/watch?v=vMYxApGIW7E
Shakopee, MN
Scott County
United States 		Vierling Dr. / Lincoln St.
(44.78215, -93.55707) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2018
Carver, MN
Carver County
United States 		Jonathan Carver Pkwy. / Dahlgren Rd. / 6th St. W
(44.76130, -93.64302) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Colorado Springs, CO
El Paso Co.
United States 		Meridian Sol Dr. / Swingline Rd.
(38.93013, -104.60820) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2022 Elliptical shaped. ICD = 130 ft x 105 ft.
Colorado Springs, CO
El Paso Co.
United States 		Meadow Brook Pkwy. / Newt Dr.
(38.84432, -104.69242) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4317 		Other (At-Grade)
Single-Lane 		2023
Hastings, MN
Dakota County
United States 		160th St. E (CR 46) / Goodwin Ave. (CR 85)
(44.71686, -92.95405) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.hastingsjournal.news/stories/county-road-46-expected-to-open-by-the-end-of-the-week,113462
Billings, MT
Yellowstone County
United States 		Rimrock Rd. / 62nd St. W
(45.79864, -108.67362) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2024 https://www.facebook.com/trailnetbillings/photos/top-the-roundabout-at-rimrock-and-62nd-street-west-above-heading-east-on-rimrock/1087984726704259/?_rdr
Providence, RI
Providence Co.
United States 		F C Greene Memorial Blvd. / Montgomery Ave. / Cladrashes Ave.
(41.78572, -71.40615) 		Rotary
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2019 No splitter islands on two legs. Pedestrian feature in central island.
Cranston, RI
Providence Co.
United States 		Rte 5 (Atwood Ave. / Oaklawn Ave.) / Cranston St. / Brooks St.
(41.77694, -71.46888) 		Rotary
Existing 		Other
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Mix of stop and yield control on entry.
Providence, RI
Providence Co.
United States 		College Rd. / 1st Ave.
(41.84136, -71.45992) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
15.8496 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2013