Roundabouts Database

30518 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
Loveland, CO
Larimer Co.
United States 		Mirror Lake Dr. / N Park Dr. / S Park Dr.
(40.42746, -105.01554) 		Roundabout
Existing 		All-Way Yield
None 		5 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2020
Loveland, CO
Larimer Co.
United States 		Redmesa Ave. / Egnar St.
(40.44530, -105.10048) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020
Loveland, CO
Larimer Co.
United States 		Rodin Dr. / Da Vinci Dr.
(40.44219, -105.11912) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020
Loveland, CO
Larimer Co.
United States 		Turquoise St. / Lapis Pl.
(40.39765, -105.03948) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020
Loveland, CO
Larimer Co.
United States 		Emerald St. / Lapis Pl.
(40.39611, -105.03932) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
16.7640 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2020
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/
University Park, CO
Larimer Co.
United States 		E Laurel St. / Remington St.
(40.57810, -105.07559) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
25.9080 		Other (At-Grade)
Single-lane w/ Traversable Central Island 		2015 Year Completed estimated (2014-2016).
Linden Park, CO
Larimer Co.
United States 		Fossil Creek Circle
(40.49945, -105.04367) 		Other
Existing 		Unknown
Unknown 		6 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Auraria, CO
Denver Co.
United States 		Saint Francis Way / 11th St.
(39.74196, -105.00110) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Denver, CO
Arapahoe Co.
United States 		S Yosemite St. / E Wesley Dr.
(39.67305, -104.88513) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Saddle Rock East, CO
Arapahoe Co.
United States 		E Roxbury Dr. / S Wenatchee Way
(39.58699, -104.72125) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Tallyns Reach, CO
Arapahoe Co.
United States 		E Roxbury Dr. / E Easter Dr.
(39.58714, -104.71273) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Inspiration, CO
Douglas Co.
United States 		Gartrell Rd. / E Rocky Top Ave.
(39.55491, -104.70847) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2020 Year Completed estimated (2019-2021).
Rowley Downs, CO
Douglas Co.
United States 		Aintree Ct. / Aintree Pl.
(39.50899, -104.75397) 		Other
Existing 		Unknown
Unknown 		3 Approaches
2 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Hidden River, CO
Douglas Co.
United States 		Club Dr. / Bridlewood Ln.
(39.50029, -104.74912) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Parker, CO
Douglas Co.
United States 		Blackmoor St.
(39.50578, -104.72041) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
The Farm, CO
El Paso Co.
United States 		Ent Pkwy. / Federal Dr.
(38.99879, -104.81095) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2021 Year Completed estimated (2020-2022).
Interquest, CO
El Paso Co.
United States 		United Heights / (unknown)
(38.98973, -104.80083) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
24.3840 		Other (At-Grade)
Single-Lane 		No splitter islands on north and south legs.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Post Oak Dr.
(38.78168, -104.74115) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Monica Dr. W
(38.78171, -104.74739) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Deerfield Hills, CO
El Paso Co.
United States 		Drennan Rd. / Springnite Dr.
(38.78171, -104.75088) 		Other
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands; only diverging yellow lines.
Castle Rock, CO
Douglas Co.
United States 		Plum Creek Pkwy. / S Eaton Cir. / Eaton St.
(39.36073, -104.83311) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
44.1960 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2020 Elliptical shaped. ICD = 145 ft x 115 ft. Year Completed estimated (2020-2021).
Castle Rock, CO
Douglas Co.
United States 		S Ridge Rd. / Rapport Dr.
(39.35511, -104.81475) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2020
Castle Rock, CO
Douglas Co.
United States 		Autumn Sage St. / Valley View Dr.
(39.38026, -104.81919) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Castle Rock, CO
Douglas Co.
United States 		N Rocky View Rd. / Valley View Rd. / High Point Rd.
(39.38189, -104.81125) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
62.4840 		Other (At-Grade)
Single-Lane 		2016 Year Completed estimated (2015-2017).
Castle Pines, CO
Douglas Co.
United States 		Westbridge Dr. / Cross Canyon Trl.
(39.45951, -104.85287) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
50.2920 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Parker, CO
Douglas Co.
United States 		Cross Canyon Trl. / Canyon Forge Dr.
(39.47008, -104.85988) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2018-2019).
Highlands Ranch, CO
Douglas Co.
United States 		Park Central Dr.
(39.55360, -105.00475) 		Other
Existing 		Unknown
Unknown 		5 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		Parking along circulatory roadway. Pedestrian access to central island.
Meridian Inernational Business Center, CO
Douglas Co.
United States 		Tall Oaks St. / Bristleridge Dr.
(39.53104, -104.82951) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Murphy Creek, CO
Arapahoe Co.
United States 		E Florida Ave.
(39.68958, -104.70061) 		Other
Existing 		Unknown
Unknown 		2 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Littleton, CO
Douglas Co.
United States 		Eagle River St. / Blue River Ave.
(39.50434, -105.03678) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2017
Littleton, CO
Douglas Co.
United States 		Eagle River St. / Williamsburg St.
(39.50250, -105.03622) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2017-2018).
Littleton, CO
Douglas Co.
United States 		Middle Fork St. / Garden City Ave.
(39.49889, -105.04348) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
Littleton, CO
Douglas Co.
United States 		Middle Fork St. / Mt Jackson St.
(39.49687, -105.04533) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
27.4320 		Other (At-Grade)
Single-Lane 		2018 Year Completed estimated (2017-2018).
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
Upper Clover Basin, CO
Boulder Co.
United States 		Mountain Dr. / Boundary Pl.
(40.14560, -105.17468) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2015 Year Completed estimated (2014-2015).
Lower Clover Basin, CO
Boulder Co.
United States 		Portico Ln. / Portico Pl.
(40.13727, -105.17304) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on two legs.
East Side, CO
Boulder Co.
United States 		E 21st Ave. / Alpine St.
(40.19588, -105.08752) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2005 Year Completed estimated (2004-2005).
Harvest Park, CO
Larimer Co.
United States 		Old Mill Rd. / County Fair Ln.
(40.51291, -105.02753) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1999-2005).
Harvest Park, CO
Larimer Co.
United States 		Corbett Dr. / County Fair Ln.
(40.51292, -105.02375) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1999-2005).
Harvest Park, CO
Larimer Co.
United States 		Corbett Dr. / Rock Creek Dr.
(40.51549, -105.02378) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1999-2005).
Harvest Park, CO
Larimer Co.
United States 		Rock Creek Dr. / Old Mill Rd.
(40.51549, -105.02751) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
38.1000 		Other (At-Grade)
Single-Lane 		2003 Painted splitter islands. Year Completed estimated (1999-2005).
Edgewater, CO
Jefferson Co.
United States 		Pierce St. / W 24th Ave.
(39.75123, -105.07204) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2022 https://edgewaterecho.com/2022/03/new-roundabout-open-at-24th-avenue-and-pierce-street/
Brighton, CO
Adams Co.
United States 		Cherry Blossom Dr. / Willow Oak St. / N Golden Eagle Pkwy.
(39.99599, -104.74341) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018
Brighton, CO
Adams Co.
United States 		Longs Peak St. / N Golden Eagle Pkwy.
(39.99224, -104.74163) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
30.4800 		Other (At-Grade)
Single-Lane 		2018 South leg stubbed. Year Completed estimated (2018-2019).
Lochbuie, CO
Weld Co.
United States 		Fletcher Ave. / King St.
(40.00386, -104.74235) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands.
Lochbuie, CO
Weld Co.
United States 		Fletcher Ave. / Jewel St.
(40.00385, -104.74486) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on three legs.
Lochbuie, CO
Weld Co.
United States 		Flatcher Ave. / Freestone St.
(40.00392, -104.74903) 		Other
Existing 		Uncontrolled
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter islands on side street.
Lochbuie, CO
Weld Co.
United States 		Fletcher Ave. / Cable St.
(40.00339, -104.75180) 		Other
Existing 		Uncontrolled
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter island on side street.
Lochbuie, CO
Weld Co.
United States 		Jade Ave. / Cable St.
(40.00670, -104.75191) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		No splitter island on side street.
Brighton, CO
Adams Co.
United States 		Cisne Cir. / Goldfinch St.
(39.98653, -104.74396) 		Other
Existing 		Unknown
Unknown 		3 Approaches
1 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Brighton, CO
Adams Co.
United States 		Killdeer St. / Pelican Ave.
(39.98524, -104.74270) 		Other
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Brighton, CO
Adams Co.
United States 		Park Place Dr. / Donna St.
(39.97846, -104.79810) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane
Dotsero, CO
Eagle Co.
United States 		Colorado River Rd. / US 6 / I-70 Frontage Rd. / I-70 WB On-Ramp
(39.64841, -107.06570) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
45.7200 		Freeway Ramps (Grade-Separated)
Single-Lane 		2013 Year Completed estimated (2011-2015).
Parachute, CO
Garfield Co.
United States 		Old Hwy 6 / I-70 EB Ramps / (unknown)
(39.42828, -108.07440) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
57.9120 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012
Parachute, CO
Garfield Co.
United States 		Old Hwy 6 / I-70 WB Ramps
(39.42982, -108.07610) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
0 Driveways
51.8160 		Freeway Ramps (Grade-Separated)
Single-Lane 		2012
Lafayette, CO
Boulder Co.
United States 		Casper Dr. / Saratoga Dr.
(39.98211, -105.08539) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lafayette, CO
Boulder Co.
United States 		Cheyenne Dr. / Saratoga Dr.
(39.98066, -105.08535) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Lafayette, CO
Boulder Co.
United States 		Casper Dr. / Cody Ct.
(39.98213, -105.08776) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Erie, CO
Weld Co.
United States 		Colliers Blvd. / Colliers Pkwy. / Orion Cir.
(40.04713, -105.03536) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2014 Year Completed estimated (2013-2014).
Thornton, CO
Adams Co.
United States 		Elizabeth Circle
(39.98312, -104.95660) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown 		Pedestrian access to central island.
Thornton, CO
Adams Co.
United States 		E 142nd Dr. / Adams St. / St Paul St.
(39.95444, -104.94953) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2006
Thornton, CO
Adams Co.
United States 		E 138th Ave. / Jersey St.
(39.94800, -104.91939) 		Other
Existing 		Unknown
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Thornton, CO
Adams Co.
United States 		E 138th Ave. / Lilac St.
(39.94771, -104.91419) 		Other
Existing 		Unknown
Unknown 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Unknown
Thornton, CO
Adams Co.
United States 		E 141st Ave. / Forest St.
(39.95341, -104.92769) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
32.0040 		Other (At-Grade)
Single-Lane 		2017 Year Completed estimated (2015-2017).
Thornton, CO
Adams Co.
United States 		E 145th Ave. / Fairfax Dr.
(39.95991, -104.92845) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
33.5280 		Other (At-Grade)
Single-Lane 		2019 Year Completed estimated (2018-2019).
Thornton, CO
Adams Co.
United States 		E 122nd Ave. / Roslyn St.
(39.91776, -104.90064) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
41.1480 		Other (At-Grade)
Single-Lane 		2006 Year Completed estimated (2005-2006).
Evergreen, CO
Clear Creek Co.
United States 		US 40 / Homestead Rd. / I-70 WB Entrance Ramp
(39.72195, -105.40944) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2024 Through bypass lane on east leg. Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects.
(unincorporated), CO
Jefferson Co.
United States 		US 40 / CR 65 / I-70 WB Exit Ramp
(39.71621, -105.39166) 		Roundabout
Existing 		All-Way Yield
Unknown 		4 Approaches
0 Driveways
0.0000 		Freeway Ramps (Grade-Separated)
Single-Lane 		2024 Year Completed estimated (2023-2024). https://www.codot.gov/projects/i70floydhill/earlyprojects.
Edwards, CO
Eagle Co.
United States 		US 6 / Hillcrest Dr.
(39.65388, -106.62911) 		Roundabout
Existing 		All-Way Yield
Unknown 		3 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.eaglecounty.us/news_detail_T24_R433.php.
Pueblo, CO
Pueblo Co.
United States 		Walking Stick Blvd. / 47th St. / Vision Hills Pkwy.
(38.32430, -104.58110) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
54.8640 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2021
Montrose, CO
Montrose Co.
United States 		Niagara Rd. / Hillcrest Dr.
(38.46724, -107.85663) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Single-Lane 		2024 https://www.montrosepress.com/hillcrest-and-niagara-roundabout-opens/image_bc92464a-3aea-11ef-be15-b79f08cef2a5.html
Montrose, CO
Montrose Co.
United States 		Grand Ave. / N 9th St.
(38.48349, -107.88856) 		Roundabout
Existing 		All-Way Yield
None 		4 Approaches
0 Driveways
36.5760 		Other (At-Grade)
Single-Lane 		2012 Year Completed estimated (2011-2012).
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).
New Castle, CO
Garfield County
United States 		US 6 / Castle Valley Blvd.
(39.56797, -107.51604) 		Roundabout
Existing 		All-Way Yield
Rectangular Rapid Flashing Beacon (RRFB) 		4 Approaches
0 Driveways
0.0000 		Other (At-Grade)
Multilane (2 Lane, 2x1 max) 		2025 https://kdvr.com/news/local/new-multi-lane-roundabout-at-intersection-of-us-6-and-castle-valley-road/
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.
Falcon, CO
El Paso Co.
United States 		Falcon Market Pl. / Woodmen Frontage Rd. / E Woodmen Rd.
(38.94134, -104.61192) 		Roundabout
Existing 		All-Way Yield
None 		3 Approaches
1 Driveways
45.7200 		Other (At-Grade)
Single-Lane 		2022
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