Roundabouts Database

30066 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
Sewell, NJ
Gloucester Co.
United States 		College Dr. / E College Dr.
(39.78060, -75.11734) 		Roundabout
Unknown 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024
Princeton Junction, NJ
Mercer Co.
United States 		Washington Rd. / Princeton Hightstown Rd.
(40.32083, -74.62315) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2024 Roundabout located 300 ft north of old intersection.
Interlaken, NJ
Monmouth Co.
United States 		Main St. / Grassmere Ave.
(40.23195, -74.00802) 		Roundabout
Existing 		All-Way Yield
At-grade Rail Crossing Signals/Gates (controlling approach only) 		3 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2017 At-grade rail crossing (two tracks) located 110 ft to west. Year Completed estimated (2016-2017).
Westerville, OH
Delaware Co.
United States 		SR 605 / Fancher Rd.
(40.13242, -82.80976) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2024
Johnstown, OH
Licking Co.
United States 		Green Chapel Rd. / Mink St.
(40.12321, -82.69688) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2024
Johnstown, OH
Licking Co.
United States 		Green Chapel Rd. / (unknown)
(40.12333, -82.70509) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024
New Albany, OH
Licking Co.
United States 		Green Chapel Rd. / (unknown)
(40.12385, -82.71205) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024
Johnstown, OH
Licking Co.
United States 		Mink St. / (unknown)
(40.10488, -82.70700) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2024
McKinney, TX
Collin Co.
United States 		E Virginia St. / N Throckmorton St.
(33.19801, -96.60863) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5277 		Other (At-Grade)
Single-Lane 		2025
McKinney, TX
Collin Co.
United States 		Wilmeth Rd. / Lake Forest Dr.
(33.23242, -96.67934) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2025
McKinney, TX
Collin Co.
United States 		Wilmeth Rd. / Hardin Blvd.
(33.23223, -96.65209) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
56.3880 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2025
Buffalo, MN
Wright Co.
United States 		STH 25 / CSAH 83 (35th St. NE)
(45.20141, -93.86692) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
42.6717 		Other (At-Grade)
Single-Lane 		2024
Ridgefield, WA
Clark Co.
United States 		Pioneer St. / N Discovery Dr.
(45.81573, -122.69697) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2025 https://ridgefieldroundtable.org/i5-to-royle-road
Tulare, CA
Tulare Co.
United States 		SR 137 (E Tulare Ave.) / Morrison St.
(36.21093, -119.30330) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2025 https://www.facebook.com/100082142657015/posts/ccme-is-in-the-final-stages-of-the-tulare-avestate-hwy-137-roundabout-project-fo/700819749332774/
Bothell, WA
Snohomish Co.
United States 		Meridian Ave. S / 240th St. SE / 240th St. SW
(47.78041, -122.23298) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2024 https://bothellwa.gov/2001/Meridian-Ave-S-and-240th-St-SE-Roundabou
Fitchburg, WI
Dane Co.
United States 		S Seminole Hwy. / Lacy Rd.
(43.00116, -89.45924) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2023 https://www.wmtv15news.com/2023/11/17/lacy-road-construction-is-complete-with-added-speed-reductions/
Palmetto, GA
Fulton Co.
United States 		Fayetteville Rd. / Phipps Rd.
(33.51449, -84.65766) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023
Bowling Green, KY
Warren Co.
United States 		Ashley Cir. / Westen St.
(36.96894, -86.43656) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2023 https://www.wbko.com/2023/06/20/construction-begins-roundabout-ashley-circlewesten-street-intersection/
Bowling Green, KY
Warren Co.
United States 		Westen St. / Patrick Way
(36.96519, -86.44527) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2024 https://www.youtube.com/watch?v=degpDxeAwUM
Bowling Green, KY
Warren Co.
United States 		Westen St. / Highland Way
(36.96372, -86.44766) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2024 https://www.facebook.com/citybgky/posts/the-westen-street-and-highland-way-roundabout-project-was-anticipated-to-have-be/906701484824529/
Charlotte, NC
Mecklenburg Co.
United States 		Lakeview Rd. / Reames Rd.
(35.33246, -80.85242) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
48.7680 		Other (At-Grade)
Single-Lane 		2023 Yield-controlled right-turn bypass lane on northeast leg. https://www.charlottenc.gov/Growth-and-Development/Projects/CNIPSunset/Lakeview-Reames
Joplin, MO
Jasper Co.
United States 		E Zora St. / Hall St. / Duquesne Rd.
(37.11261, -94.45761) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025 https://www.facebook.com/JoplinNewsFirst/videos/koamtrafficalert-roundabout-opens-at-zoraduquesnehall-to-all-traffic/1644473069823426/
Hanover, MN
Wright Co.
United States 		CSAH 19 (Labeaux Ave. NE) / CSAH 34 (Beebe Lake Rd. NE)
(45.16175, -93.66604) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2024
Marysville, WA
Snohomish Co.
United States 		SR 529
(48.04425, -122.18013) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2025
Hurricane, UT
Washington Co.
United States 		S Sand Hollow Rd. / Gateway Blvd.
(37.16339, -113.37305) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
82.2960 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2025 Add-lane right-turn bypass lane on north leg. Merging right-turn bypass lane on west leg.
Hurricane, UT
Washington Co.
United States 		Sand Hollow Resort Pkwy. / Retreat Dr.
(37.11581, -113.39937) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2009 Yield-controlled right-turn bypass lane on east leg. Year Completed estimated (2006-2009).
Santa Clarita, CA
Los Angeles Co.
United States 		Lost Canyon Rd. / Humphreys Pkwy. / Jakes Way
(34.41385, -118.44083) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Santa Clarita, CA
Los Angeles Co.
United States 		Humphreys Pkwy.
(34.41365, -118.43763) 		Other
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Unknown 		No splitter islands.
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).
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 		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.
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
Vista, California
San Diego County
United States 		Foothill Dr. / Oak Dr. (north)
(33.21634, -117.22192) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025 Elliptical shaped. Part of closely spaced pair of roundabouts. https://www.youtube.com/watch?v=Imr8lxz23dc
Vista, California
San Diego County
United States 		Foothill Dr. / Oak Dr. (south)
(33.21602, -117.22114) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2025 Part of closely spaced pair of roundabouts.
Sanford, Florida
Seminole County
United States 		W Seminole Blvd. / N French Ave.
(28.81507, -81.27332) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2021
Sanford, Florida
Seminole County
United States 		W Seminole Blvd. / Oak Dr.
(28.82146, -81.29258) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Sanford, Florida
Seminole County
United States 		W Seminole Blvd. / Walnut Crest Run
(28.82541, -81.30462) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021
Sanford, Florida
Seminole County
United States 		W Seminole Blvd. / (unknown)
(28.83081, -81.31651) 		Roundabout
Unknown 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2021 Painted splitter island on south leg.
(unincorporated), Texas
Fort Bend County
United States 		Mason Rd. / Victoria Bay Blvd.
(29.67590, -95.73782) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.0520 		Other (At-Grade)
Single-Lane 		2025 Vortex modular/quick-build roundabout.
North Miami, Florida
Miami-Dade County
United States 		NW 12th Ave. / NW 120th St.
(25.88432, -80.21868) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2011
North Miami, Florida
Miami-Dade County
United States 		NW 12th Ave. / NW 123rd St.
(25.88704, -80.21881) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2011
North Miami, Florida
Miami-Dade County
United States 		NW 12th Ave. / NW 127th St.
(25.89067, -80.21899) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
21.3360 		Other (At-Grade)
Single-Lane 		2011
North Miami, Florida
Miami-Dade County
United States 		NW 8th Ave. / NW 122nd St.
(25.88638, -80.21272) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
19.8120 		Other (At-Grade)
Single-Lane 		2014
Miami, Florida
Miami-Dade County
United States 		SW 2nd Ave. / SW 28th Rd.
(25.75291, -80.20891) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-Lane 		2005
St Petersburg, Florida
Pinellas County
United States 		1st St. N / 30th Ave. NE
(27.79940, -82.63444) 		Traffic Calming Circle
Existing 		One-Way/Two-Way Stop
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-lane w/ Traversable Central Island
Cedar Park, Texas
Williamson County
United States 		N Lynnwood Trl.
(30.52054, -97.81145) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Cedar Park, Texas
Williamson County
United States 		C-Bar Ranch Trl.
(30.52252, -97.81033) 		Roundabout
Existing 		All-Way Yield
Unknown 		2 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2021).
Sanford, Florida
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, Florida
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, Florida
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, Florida
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.
Tucson, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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, Arizona
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
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 WB Ramps / North Frontage Rd.
(39.62828, -106.42120) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997
Vail, CO
Eagle Co.
United States 		Chamonix Rd. / I-70 EB Ramps / South Frontage Rd.
(39.62753, -106.42020) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		1997
Avon, CO
Eagle Co.
United States 		Avon Rd. / I-70 WB Ramps
(39.63782, -106.52080) 		Roundabout
Existing 		All-Way Yield
Active Pedestrian Warning (flashing yellow) 		3 Approaches
0 Driveways
42.6720 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997 Highway ref. pt. 70-166.62. Raindrop shaped.
Avon, CO
Eagle Co.
United States 		Avon Rd. / I-70 EB Ramps
(39.63683, -106.52170) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
44.1960 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1997 Highway ref. pt. 70-166.62. Raindrop shaped.
De Pere, WI
Brown Co.
United States 		Scheuring Rd. (CTH F) / US 41 NB Ramps
(44.43074, -88.10989) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
53.3400 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x1 max) 		2011 Series of 6 roundabouts. Yield-controlled right-turn bypass lane on south leg; merging right-turn bypass lane on east leg. Opened September 2011. Circular central island.
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 SB Ramps
(38.86894, -76.84738) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
770.9968 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opening initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
Ritchie, MD
Prince Georges Co.
United States 		Ritchie-Marlboro Rd. / I-95 NB Ramps
(38.86824, -76.84158) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
67.0560 		Freeway Ramps (Grade-Separated)
Multilane (3+ Lane) 		2001 Opened initially with two lanes. Expanded from two lanes to three lanes in 2010. 21442
De Pere, WI
Brown Co.
United States 		Scheuring Rd. (CTH F) / US 41 SB Ramps
(44.43050, -88.11402) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
56.3880 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		2011 Series of 6 roundabouts. Opened September 2011.
Ellicott City, MD
Howard Co.
United States 		MD 103 / MD 100 WB Ramps
(39.20846, -76.78294) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.3154 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 103 / MD 100 EB Ramps
(39.20733, -76.78243) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.5396 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		Snowden River Pkwy. / MD 100 WB Ramps
(39.21233, -76.79544) 		Roundabout
Existing 		All-Way Yield
Metering Signal 		3 Approaches
0 Driveways
25.9105 		Freeway Ramps (Grade-Separated)
Single-Lane 		1998 Opened November 1998. Metering signal on Snowden River Pkwy approach. ICD estimated from Google Maps linework.
Ellicott City, MD
Howard Co.
United States 		MD 104 (Waterloo Rd.) / MD 100 WB Ramps
(39.22470, -76.80600) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Multilane (2 Lane, 2x2 max) 		1999
Topeka, KS
Shawnee Co.
United States 		Rice Rd. / I-70 WB Ramps / Sycamore Dr.
(39.03610, -95.62310) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.5293 		Freeway Ramps (Grade-Separated)
Single-Lane 		2000 Part of a major realignment of I-70 and K-4. Sycamore Drive is one way with two westbound lanes (into the roundabout). Partial cloverleaf AB interchange type. Completed October 2000. ICD estimated from Google Maps linework.