Roundabouts Database

29465 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
Whisper Creek, CO
Jefferson Co.
United States 		W 87th Dr. / W 87th Ln.
(39.85326, -105.15802) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Whisper Creek, CO
Jefferson Co.
United States 		W 87th Dr. / W 87th Terrace
(39.85449, -105.15278) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Edgewater, CO
Jefferson Co.
United States 		W 20th Ave. / Benton St.
(39.74763, -105.05562) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2022 Elliptical shaped. ICD = 100 ft x 85 ft.
Watertown, NY
Jefferson Co.
United States 		Park Circle
(43.96723, -75.88971) 		Other
Existing 		Other
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Mix of stop and yield control.
Herculaneum, MO
Jefferson Co.
United States 		McNutt St. / Providence Way
(38.25522, -90.40498) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
76.2000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2019 Ellipitcal shaped. ICD = 250 ft x 230 ft. Year Completed estimated (2018-2020).
Herculaneum, MO
Jefferson Co.
United States 		Stone Water Dr.
(38.26044, -90.42469) 		Other
Existing 		Unknown
Unknown 		2 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Edgewater, CO
Jefferson Co.
United States 		W 20th Ave. / Harlan St.
(39.74762, -105.06264) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://edgewaterecho.com/2022/01/new-roundabout-at-20th-and-harlan-opening-tuesday-february-1/
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
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
Pine Bluff, AR
Jefferson Co.
United States 		US 63-US 79-SR 15 (Market St.) / Saracen Resort Dr.
(34.21292, -91.96112) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
67.0560 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2020 Double left turn on north and south legs.
Ranson, WV
Jefferson Co.
United States 		N Fairfax Blvd. / E 13th Ave.
(39.30680, -77.85569) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Single-Lane 		2019 Peanut shaped. ICD = 180 ft on each end; 530 ft long. Year Completed estimated (2017-2020). This condition is locally known as the "Peanut" and constructed within the historic plat of the city where an oval park was visioned. The peanut shape will support additional approaches as further development occurs. https://www.cityofransonwv.net/149/Fairfax-Boulevard https://www.cityofransonwv.net/DocumentCenter/View/1219/Fairfax-Blvd-Extension---Engineering-Peanut?bidId=
Arvada, CO
Jefferson Co.
United States 		W 94th Ave. / Hallett St.
(39.86650, -105.22434) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2014
Denver, CO
Jefferson Co.
United States 		S Reed St. / S Pierce Way
(39.68087, -105.07380) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Denver, CO
Jefferson Co.
United States 		S Upham St. / S Evans Ave.
(39.67841, -105.07776) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2016
Fairfield, IA
Jefferson Co.
United States 		SR 1 (S Main St.) / Libertyville Rd. / S Junction Rd.
(40.98829, -91.96307) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2023 https://www.youtube.com/watch?app=desktop&v=Mabi9suTVMA
Irondale, AL
Jefferson Co.
United States 		Grants Mill Rd. / Old Leeds Rd. / Karl Daly Rd.
(33.53524, -86.67353) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2023 https://www.youtube.com/watch?v=idyfwu96hcM
Port Townsend, WA
Jefferson Co.
United States 		SR 20 / Kearney St.
(48.11000, -122.77066) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		2023
Louisville, KY
Jefferson Co.
United States 		Terra Crossing Blvd. / Bush Farm Rd.
(38.28006, -85.49789) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2018
Louisville, KY
Jefferson Co.
United States 		James Thornton Way / Wickham Green Way
(38.27422, -85.49318) 		Other
Existing 		Uncontrolled
None 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x2 max) 		2009 No splitter island on west leg. Concentric striped circulatory roadway.
Port Ludlow, WA
Jefferson Co.
United States 		SR 104 / SR 19 (Beaver Valley Rd.)
(47.89014, -122.73245) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2024 Through lane bypass on west leg. https://www.facebook.com/groups/porttownsendchat/posts/the-highway-104-and-19-roundabout-is-open-in-all-directions/1440699556614168/?_rdr
Dakota Ridge, CO
Jefferson Co.
United States 		W Belleview Ave. / Quincy Ave.
(39.62415, -105.15506) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2007 Right-turn bypass lanes on north and east legs.
Evergreen, CO
Jefferson Co.
United States 		CO 74 / CO 64 (Turkey Creek Rd.)
(39.58759, -105.30994) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
39.6240 		Other (At-Grade)
Single-Lane 		2008
Prospect, KY
Jefferson Co.
United States 		Deep Creek Dr. / Westover Dr.
(38.34492, -85.60198) 		Rotary
Existing 		Other
Other 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Yield signs in circle.
Birmingham, AL
Jefferson Co.
United States 		Cotton Ave. SW / Tuscaloosa Ave. SW / (parking)
(33.49569, -86.84738) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2014
Littleton, CO
Jefferson Co.
United States 		S Platte Canyon Rd. / S Kendall Blvd. / W Chatfield Ave.
(39.56787, -105.06207) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.3029 		Other (At-Grade)
Single-Lane 		2018 Merging right-turn bypass lanes on west and south legs. Year Completed estimated (2017-2018). ICD estimated from Google Maps linework.
Louisville, KY
Jefferson Co.
United States 		S Floyd St. / Brandeis Ave. / Cardinal Blvd.
(38.21850, -85.75431) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.7183 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2016 https://www.wave3.com/story/32594164/roundabout-opens-outside-of-uofl/ ICD estimated from Google Maps linework.
Mountain Brook, AL
Jefferson Co.
United States 		Cahaba Rd. / (unknown)
(33.48983, -86.77714) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
29.8815 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		S Golden Rd. / Moss St. / Research Rd.
(39.73392, -105.17606) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4724 		Other (At-Grade)
Single-Lane 		2012 Yield-controlled right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		S Golden Rd. / Quaker St.
(39.73535, -105.18435) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.5534 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		19th St. / Elm St. / (college parking)
(39.74672, -105.22134) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
26.6305 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2017 ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Heritage Rd. / Kimball Ave.
(39.72049, -105.20966) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.2339 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Heritage Rd. / W 4th Ave.
(39.72190, -105.21004) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
12.8607 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Nearby pedestrian overcrossing in addition to at-grade pedestrian crossing on north leg. ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Heritage Rd / Eagle Ridge Dr
(39.72578, -105.20987) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
28.4757 		Other (At-Grade)
Single-Lane 		2015 Oval shape. ICD estimated from Google Maps linework.
Louisville, KY
Jefferson Co.
United States 		Smyrna Pkwy. / Cooper Chapel Rd. / Chambers Way
(38.11086, -85.64679) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
38.5285 		Other (At-Grade)
Single-Lane 		2015 ICD estimated from Google Maps linework.
Louisville, KY
Jefferson Co.
United States 		Fairdale Rd. / Mt Holly Rd. / W Manslick Rd. / Mitchell Hill Rd.
(38.10493, -85.75885) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.7122 		Other (At-Grade)
Single-Lane 		2017 Replaced offset T-intersections. ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		S Indiana St. / W Wesley Ave.
(39.67204, -105.16890) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
33.0944 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Louisville, KY
Jefferson Co.
United States 		Chamberlain Ln. / Norton Commons Blvd.
(38.32134, -85.57084) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.4251 		Other (At-Grade)
Single-Lane 		2007 Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Port Townsend, WA
Jefferson Co.
United States 		Discovery Rd. / Rainier St. / Howard St.
(48.10787, -122.80624) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.4820 		Other (At-Grade)
Single-Lane 		2017 Two-way separated bike path along east side. ICD estimated from Google Maps linework.
Rigby, ID
Jefferson Co.
United States 		Farnsworth Way / Stockham Blvd. / (parking)
(43.68099, -111.90760) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Single-Lane 		2018 Peanut shaped. Long dimension is 270 ft; nodal ICDs are ~145 ft and ~145 ft.
Ranson, WV
Jefferson Co.
United States 		Flowing Springs Rd. / E 5th Ave.
(39.30291, -77.84482) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
49.9058 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2013 ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Lancaster Circle (S Fairfax Blvd. / S Mildred St. / W 4th Ave.)
(39.29523, -77.86039) 		Other
Existing 		All-Way Yield
Unknown 		6 Approaches
0 Driveways
52.6841 		Other (At-Grade)
Single-Lane 		Pedestrian access to central island. ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Mountain Laurel Blvd. / Watercourse Dr.
(39.30585, -77.83853) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.3450 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2003-2007). ICD estimated from Google Maps linework.
Charles Town, WV
Jefferson Co.
United States 		St George St. / Citizens Way / US 340 SB Ramps
(39.27528, -77.84935) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
30.5100 		Freeway Ramps (Grade-Separated)
Single-Lane 		2018 Year Completed estimated (2015-2019). ICD estimated from Google Maps linework.
Arvada, CO
Jefferson Co.
United States 		W 87th Pkwy. / Beech St.
(39.85567, -105.15060) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.1725 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Arvada, CO
Jefferson Co.
United States 		W 87th Pkwy. / Ellis St.
(39.85537, -105.15826) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0895 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Arvada, CO
Jefferson Co.
United States 		W 87th Dr. / W 87th Pkwy. / W 88th Loop
(39.85512, -105.16070) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0896 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Arvada, CO
Jefferson Co.
United States 		Ellis St. / W 89th Loop / W 89th Pl.
(39.85736, -105.15782) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
34.8391 		Other (At-Grade)
Single-Lane 		2008 ICD estimated from Google Maps linework.
Hoover, AL
Jefferson Co.
United States 		Preserve Pkwy. / (unknown)
(33.38298, -86.83674) 		Roundabout
Existing 		All-Way Yield
None 		2 Approaches
0 Driveways
33.9074 		Other (At-Grade)
Single-Lane 		2006 Two future legs planned but no splitter islands built yet. Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Bessemer, AL
Jefferson Co.
United States 		Promenade Pkwy. / (parking lot)
(33.33340, -86.99211) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.9397 		Other (At-Grade)
Single-Lane 		2008 Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Bessemer, AL
Jefferson Co.
United States 		Academy Way / Academy Ln.
(33.36369, -87.00765) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.9150 		Other (At-Grade)
Single-Lane 		2004 Year Completed estimated (2003-2005). ICD estimated from Google Maps linework.
Hoover, AL
Jefferson Co.
United States 		Preserve Pkwy. / Village Green Way
(33.38110, -86.83947) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.9163 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006). ICD estimated from Google Maps linework.
Birmingham, AL
Jefferson Co.
United States 		Bessemer Rd. / (unknown)
(33.49729, -86.87369) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.8144 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 Concentric circulatory roadway striping. Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Barnhart, MO
Jefferson Co.
United States 		Metropolitan Blvd. / Marriott Ln. / (unknown) / I-55 SB On-ramp
(38.34633, -90.39727) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.5939 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 Year Completed estimated (2010-2011). ICD estimated from Google Maps linework.
Arnold, MO
Jefferson Co.
United States 		Astra Way / Missouri State Rd.
(38.44301, -90.40168) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1589 		Other (At-Grade)
Single-Lane 		2012 Located approximately 220 feet from traffic signal. https://patch.com/missouri/fenton-highridge/new-traffic-roundabout-to-be-built-on-hwy-141-between4fb74fd68b . ICD estimated from Google Maps linework.
(unincorporated), MO
Jefferson Co.
United States 		13th St. / Winding Bluffs Dr.
(38.48406, -90.44573) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.7865 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Louisville, KY
Jefferson Co.
United States 		Stony Farm Dr. / Stara Way
(38.19654, -85.59588) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.3426 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2006-2007). ICD estimated from Google Maps linework.
Beckly, KY
Jefferson Co.
United States 		Shelby Station Dr. / (unknown)
(38.23829, -85.49049) 		Other
Existing 		Other
None 		4 Approaches
0 Driveways
26.2662 		Other (At-Grade)
Single-Lane 		No yield signs on major street. ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		Illinois St. / (unknown)
(39.73540, -105.21057) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.5747 		Other (At-Grade)
Single-Lane 		2002 Minimal splitter islands. No detectable warnings for the one pedestrian crossing. ICD estimated from Google Maps linework.
Arvada, CO
Jefferson Co.
United States 		W 66th Ave. / W 66th Dr.
(39.81516, -105.17026) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.6867 		Other (At-Grade)
Single-Lane 		2007 Located 35 feet from adjacent stop-controlled intersection. No buffers between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Westminster, CO
Jefferson Co.
United States 		Reed St. / Promenade Dr. / (parking lot)
(39.88726, -105.07719) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.7403 		Other (At-Grade)
Single-Lane 		2004 Wapiti Circle (statue of small elk herd) installed in center island in 2005 -- https://www.waymarking.com/waymarks/WMDRJH_Wapiti_Circle_Westminster_CO . ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		W Dartmouth Pl. / W Cornell Pl. / (high school access)
(39.66034, -105.10813) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
31.2611 		Other (At-Grade)
Single-Lane 		2006 https://www.denverpost.com/2006/08/03/on-the-side-84/ . ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Fairfax Circle (Fairfax Blvd. / Baker Pl. / Joshua M Freeman Blvd.)
(39.31842, -77.85264) 		Rotary
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
130.2806 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Fifth leg stubbed. Oval shape with pond in center island. Year Completed estimated (2003-2007). ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Brickyard Circle (Baker Pl. / Wallace Way)
(39.32036, -77.85489) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.8059 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2007 Two approaches stubbed. ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Oak Lee Dr. / (unknown)
(39.32089, -77.84637) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
46.1972 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2005 Two legs stubbed. Year Completed estimated (2003-2007). ICD estimated from Google Maps linework.
Ranson, WV
Jefferson Co.
United States 		Dupont Circle (Joshua M Freeman Blvd. / Wallace Way)
(39.32132, -77.85274) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
18.4788 		Other (At-Grade)
Single-Lane 		2008 Painted splitter islands. Year Completed estimated (2007-2008). ICD estimated from Google Maps linework.
Monticello, FL
Jefferson Co.
United States 		10 Court House Circle
(30.54514, -83.87016) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
63.7726 		Other (At-Grade)
Single-Lane 		1910 Courthouse in central island with pedestrian access. ICD estimated from Google Maps linework.
Madison, IN
Jefferson Co.
United States 		US 421 / SR 62 (E Clifty Dr.)
(38.78539, -85.37201) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.6869 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2015 https://www.facebook.com/INDOTSoutheast/posts/madison-indthe-indiana-department-of-transportation-is-building-crossovers-for-t/875938365828212/ ICD estimated from Google Maps linework.
Steubenville, OH
Jefferson Co.
United States 		Lovers Ln. / Fort Steuben Dr.
(40.36706, -80.67710) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
2 Driveways
26.3892 		Other (At-Grade)
Single-Lane 		2017 First roundabout in Eastern Ohio and ODOT District 11. ICD estimated from Google Maps linework.
Ixonia, WI
Jefferson Co.
United States 		STH 16 / American St. (CTH F)
(43.14647, -88.59080) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
47.0551 		Other (At-Grade)
Single-Lane 		2014 ICD estimated from Google Maps linework.
Littleton, CO
Jefferson Co.
United States 		S Union Ct. / S Ida Ave.
(39.61175, -105.13316) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
34.0433 		Other (At-Grade)
Single-Lane 		2006 ICD estimated from Google Maps linework.
Littleton, CO
Jefferson Co.
United States 		S Zang St. / Robert Easton Park
(39.60735, -105.14731) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.6044 		Other (At-Grade)
Single-Lane 		2006 3rd leg added around 2012, Built for future 4th Leg. ICD estimated from Google Maps linework.
Birmingham, AL
Jefferson Co.
United States 		Liberty Pkwy. / Lake Pkwy.
(33.47937, -86.67624) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.8928 		Other (At-Grade)
Single-Lane 		2000 Year Completed estimated (1998-2002). ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		Lamar St. / W 14th Ave.
(39.73850, -105.06733) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2014 Fire station driveway at end of radius on northwest corner.
Louisville, KY
Jefferson Co.
United States 		Trevilian Way / Louisville Zoo Entrance
(38.20764, -85.70862) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
26.2772 		Other (At-Grade)
Single-Lane 		2009 Oblong shape. ICD estimated from Google Maps linework.
Whitewater, WI
Jefferson Co.
United States 		Burr Oak Trl. / N Acorn Ridge
(42.85569, -88.74258) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.6434 		Other (At-Grade)
Single-Lane 		2007 Opened October 2007. Functional Class: Local ICD estimated from Google Maps linework.
Whitewater, WI
Jefferson Co.
United States 		Burr Oak Trl. / (unknown)
(42.85222, -88.74105) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
29.7695 		Other (At-Grade)
Single-Lane 		2007 Opened November 2007. Functional Class: Local ICD estimated from Google Maps linework.
Harpers Ferry, WV
Jefferson Co.
United States 		Koonce Road / Private Road
(39.31484, -77.78628) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
35.1129 		Other (At-Grade)
Single-Lane 		2012 ICD estimated from Google Maps linework.
Applewood, CO
Jefferson Co.
United States 		W. 32nd Ave. / Eldridge St.
(39.76180, -105.15660) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
29.3790 		Other (At-Grade)
Single-Lane 		2005 North leg serves golf course parking lot. ICD estimated from Google Maps linework.
Evergreen, CO
Jefferson Co.
United States 		CR 65 / Bergen Pkwy.
(39.69101, -105.36050) 		Roundabout
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
26.6520 		Other (At-Grade)
Single-Lane 		1998 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		E Horseshoe Rd. / CTH T
(43.19009, -88.76381) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.2185 		Other (At-Grade)
Single-Lane 		2007 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		E Horseshoe Rd. / CTH A (Milford St.)
(43.16401, -88.76087) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
39.2014 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		E Horseshoe Rd. / Jefferson Rd.
(43.15839, -88.74851) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
31.3640 		Other (At-Grade)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		Jefferson Rd. / CTH Y
(43.15325, -88.75062) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
36.5944 		Other (At-Grade)
Single-Lane 		2010 Near railroad crossing. ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		CTH Y (S Church St.) / STH 26 NB Ramps
(43.15562, -88.74126) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.7217 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		CTH Y (S Church St.) / STH 26 SB Ramps
(43.15450, -88.74223) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.3362 		Freeway Ramps (Grade-Separated)
Single-Lane 		2011 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		BUS 26 (S Church St.) / High Rd.
(43.16088, -88.73526) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.8169 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2011 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		W Main St. (STH 19) / STH 26 NB Ramps
(43.19772, -88.76607) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
38.3091 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Watertown, WI
Jefferson Co.
United States 		W Main St. (STH 19) / STH 26 SB Ramps
(43.19772, -88.76804) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
35.6971 		Freeway Ramps (Grade-Separated)
Single-Lane 		2010 ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		S. Golden Rd. / Ford St. / Jackson St.
(39.74612, -105.20940) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
52.3432 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2009 Functional Class: Arterial ICD estimated from Google Maps linework.
Port Townsend, WA
Jefferson Co.
United States 		SR 20 (Sims Way) / Howard St. / Evans Vista
(48.10260, -122.80500) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2010 April 2010.
Port Townsend, WA
Jefferson Co.
United States 		SR 20 (Sims Way) / Thomas St.
(48.10333, -122.79891) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2010 July 2010.
Lakewood, CO
Jefferson Co.
United States 		S. Allison Pkwy. / W. Virginia Ave.
(39.70705, -105.08390) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
1 Driveways
33.9964 		Other (At-Grade)
Single-Lane 		2000 Functional Class: Local ICD estimated from Google Maps linework.
Columbine, CO
Jefferson Co.
United States 		S. Simms St. / Nelson St.
(39.64159, -105.12910) 		Roundabout
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
38.6271 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		2003 Right turn bypass lanes on three legs. ICD estimated from Google Maps linework.
Madras, OR
Jefferson Co.
United States 		SE Grizzly Rd. / SE J St. / SE City View Rd. / (future leg)
(44.62504, -121.10943) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
54.4017 		Other (At-Grade)
Single-Lane 		2007 Sized for conversion to ultimate double-lane. Bear sculpture in central island. ICD estimated from Google Maps linework.
Madras, OR
Jefferson Co.
United States 		SE City View St. / SE Yarrow Ave. / (future leg)
(44.63084, -121.10905) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.3963 		Other (At-Grade)
Single-Lane 		2007 Sized for conversion to ultimate double-lane. Raptor sculpture in central island. ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		Allison Pkwy. / Civic Center
(39.70906, -105.08630) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
31.2390 		Other (At-Grade)
Single-Lane 		1999 ICD estimated from Google Maps linework.
Lakewood, CO
Jefferson Co.
United States 		Arbutus Dr. / W. 2nd Pl.
(39.71649, -105.14750) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.5609 		Other (At-Grade)
Single-Lane 		2001 Functional Class: Collector ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		S. Golden Rd. / Johnson Rd. / 16th St.
(39.74207, -105.20060) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
37.6526 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework.
Golden, CO
Jefferson Co.
United States 		S. Golden Rd. / Lunnonhaus Dr.
(39.74062, -105.19840) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island.
Golden, CO
Jefferson Co.
United States 		S. Golden Rd. / Utah St.
(39.73919, -105.19620) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
23.8782 		Other (At-Grade)
Multilane (2 Lane, unspecified) 		1998 Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework.