Roundabouts Database Index

29616 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
Colorado Springs, CO El Paso Co. United States	Regent Cir. / (parking lot) (38.89134, -104.79788)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 34.3949	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Templeton Gap Rd. (38.93203, -104.71363)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4529	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Sisters Grove (38.93681, -104.71169)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8758	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	One leg stubbed. Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Powerwood View (38.93841, -104.71116)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.0169	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	One leg stubbed. Year Completed estimated (2005-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Powerwood View / Sisters Grove (38.93851, -104.71390)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5851	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). 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.
Vail, CO Eagle Co. United States	S Frontage Rd. W / (freeway underpass) (39.64051, -106.39973)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 11.0365	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Vail, CO Eagle Co. United States	N Frontage Rd. W / (freeway underpass) (39.64112, -106.40029)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 22.0728	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2015-2018). ICD estimated from Google Maps linework.
Trinidad, CO Las Animas Co. United States	Nevada Ave. / N Animas St. (37.16950, -104.51035)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.3579	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2014-2018). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Kendall Pkwy. / John Glenn Dr. (40.42652, -105.00541)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 47.2768	Other (At-Grade) Single-Lane	2019	Fourth leg stubbed. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Monroe Ave. / E 37th St. (40.43012, -105.06809)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5469	Other (At-Grade) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	CO 402 / I-25 SB Ramps (40.37811, -104.99418)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 46.4010	Freeway Ramps (Grade-Separated) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	CO 402 / I-25 NB Ramps (40.37813, -104.99255)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 45.4911	Freeway Ramps (Grade-Separated) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	CR 18 / NE Frontage Rd. / SE Frontage Rd. (40.37811, -104.98867)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.4911	Other (At-Grade) Single-Lane	2019	Opened to traffic October 18, 2019. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Wilson Ave. / Melissa Dr. (40.37793, -105.11596)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 17.2867	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2005). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	US 287-SR 14 / US 287 Business (40.62610, -105.10657)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 59.8267	Other (At-Grade) Single-Lane	2019	https://www.coloradoan.com/story/news/2019/05/13/highway-287-construction-project-north-fort-collins-cdot/1189772001/ ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Rossum Dr. / Mariana Hills Cir. / Mariana Ridge Ct. (40.40225, -105.14134)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2017
Loveland, CO Larimer Co. United States	Rossum Dr. / Cedar Valley Dr. / St. Andrews Dr. (40.40005, -105.14791)	Traffic Calming Circle Existing	All-Way Yield None	4 Approaches 0 Driveways 20.0096	Other (At-Grade) Single-Lane		No splitter islands. Completed before 1999. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Cedar Valley Dr. / Deer Meadow Dr. (40.40159, -105.15175)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 27.2852	Other (At-Grade) Single-Lane	2003	Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Taft Farms Pl. / Rangeland Ave. (40.44756, -105.09726)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 59.0775	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Johnstown, CO Larimer Co. United States	Thompson Pkwy. / (parking lots) (40.40506, -104.98335)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 32.7405	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	Copperleaf Blvd. / S Tibet St. (39.62772, -104.72553)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.0740	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	Copperleaf Blvd. / S Tempe St. (39.62637, -104.72778)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 43.2351	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	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.
Aurora, CO Arapahoe Co. United States	S Old Tom Morris Rd. / Catawba Cir. / (golf course parking lot) (39.68629, -104.70910)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.0875	Other (At-Grade) Single-Lane	2000	Windmill in central island. Year Completed estimated (1999-2003). ICD estimated from Google Maps linework.
Aurora, CO Arapahoe Co. United States	E Florida Ave. / S De Gaulle Way / S Duquesne Ct. (39.69027, -104.70622)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 56.0618	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2003-2004). 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.
Colorado Springs, CO El Paso Co. United States	Mesa Ave. / Park Ave. / Lake Cir. (38.79330, -104.85226)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 30.7188	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Eagle Rock Rd. / Spine Rd. (38.90327, -104.81455)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.6008	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Targa Dr. / Woodmen Ridge View (38.93858, -104.72473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5197	Other (At-Grade) Single-Lane	2013	Year Completed estimated (2011-2015). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Tutt Blvd. / Bear Run Point (38.94247, -104.71133)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 45.5172	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Forestgate Dr. / Lochwinnoch Ln. (38.96681, -104.68550)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8585	Other (At-Grade) Single-Lane	2002	Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Forestgate Dr. / Cairngorm Way (38.96770, -104.69892)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 33.4293	Other (At-Grade) Single-Lane	2002	Elliptical shape. Year Completed estimated (1999-2004). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Grand Cordera Pkwy. / Sky Meadow Dr. / Wild Sage Grove (38.96025, -104.72647)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.8623	Other (At-Grade) Single-Lane	2014	Year Completed estimated (2013-2014). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N Union Blvd. / Grand Cordera Pkwy. (38.97597, -104.74059)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 40.8532	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	N Union Blvd. / Cordera Crest Ave. / Nautilus Point (38.97581, -104.74418)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5673	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Outlook Ridge Trl. / Taco Ave. (38.97726, -104.74489)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7094	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Continental Heights / Prominent Point (38.97278, -104.74369)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.7843	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Prominent Point / Nautilus Point (38.97327, -104.74271)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.8555	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	New Allegiance Dr. / Republic Dr. (38.98670, -104.80719)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 56.6289	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Two legs stubbed. Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Federal Dr. / Rampart Hills View (38.99266, -104.80356)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9154	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Federal Dr. / Rampart Hills View / (parking lot) (38.99663, -104.81004)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 38.0567	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2006-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Northgate Blvd. / I-25 NB Ramps (39.02725, -104.83094)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 48.2461	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Northgate Blvd. / I-25 SB Ramps (39.02538, -104.83627)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.1752	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	https://www.krdo.com/news/local-news/north-gate-blvd-set-to-reopen-under-i-25-/34107950 . ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Rising Sun Dr. / Autumn Sage St. (39.39210, -104.82736)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.0731	Other (At-Grade) Single-Lane	2005	Year Completed estimated (2004-2007). ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Sapphire Pointe Blvd. / Sulfur Ln. / Peridot Ln. (39.42788, -104.84576)	Other Existing	All-Way Yield None	4 Approaches 0 Driveways 63.6545	Other (At-Grade) Single-Lane	2003	Single-stage pedestrian crossings, fully traversable splitter islands, no buffer between sidewalk and circulatory roadway. Year Completed estimated (2002-2005). ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Sapphire Pointe Blvd. / Tremolite Dr. (39.42908, -104.85397)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 52.5832	Other (At-Grade) Single-Lane	2005	No buffer between sidewalk and circulatory roadway. ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	W Castle Pines Pkwy. / Pine Ridge Ln. / Buffalo Trl. (39.47283, -104.91386)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.4238	Other (At-Grade) Single-Lane	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Daniels Gate Dr. / Grigs Rd. (39.48770, -104.91860)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7912	Other (At-Grade) Single-Lane	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Pavilion Dr. / (parking lots) (39.50940, -104.76748)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 27.6435	Other (At-Grade) Single-Lane	2003	Within shopping center. Year Completed estimated (2001-2004). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Clubhouse Dr. / S Pikes Peak Dr. (39.51305, -104.76302)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 28.5634	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1994-1999). ICD estimated from Google Maps linework.
Parker, CO Douglas Co. United States	Crown Crest Blvd. / Cottonwood Dr. (39.55051, -104.77237)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 50.6497	Other (At-Grade) Multilane (2 Lane, unspecified)	2001	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Kendall Pkwy. / Aldrin Dr. (40.42884, -105.01002)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.9112	Other (At-Grade) Single-Lane	2019	Fourth leg stubbed. ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Lagae Rd. / Hyland Hills Rd. (39.46753, -104.88126)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 41.4902	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Castle Pines, CO Douglas Co. United States	Lagae Rd. / Monarch Blvd. (39.46134, -104.87935)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 36.8834	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	E Willox Ln. / (parking lots) (40.61064, -105.07447)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.9203	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2009-2011). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	E Lincoln Ave. / Cordova Rd. / (apartment access) (40.58852, -105.05439)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.9999	Other (At-Grade) Single-Lane	2017	Year Completed estimated (2016-2017). ICD estimated from Google Maps linework.
Fort Collins, CO Larimer Co. United States	Corbett Dr. / Council Tree Ave. (40.52547, -105.02685)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.3132	Other (At-Grade) Single-Lane	2007	Right-turn-only lane on south leg. Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Edwards, CO Eagle Co. United States	Edwards Roundabout (US 6 / Edwards Access Rd. / Edwards Village Blvd.) (39.64412, -106.59398)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.5813	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	Elliptical shape. https://www.codot.gov/news/2019/august/edwards-spur-road-project-transitions-u-s-6-intersection-to-roundabout ICD estimated from Google Maps linework.
Westminster, CO Adams Co. United States	W 68th Ave. / Creekside Dr. / Hooker St. (39.82018, -105.02873)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 26.6021	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
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.
Loveland, CO Larimer Co. United States	Harrison Ave. / W 65th St. (40.45845, -105.08018)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 39.9844	Other (At-Grade) Single-Lane	2011	Right-turn bypass lane on east leg. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Boyd Lake Dr. / Kendall Pkwy. / Whitebark Pl. (40.43079, -105.02040)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.8191	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	7th St. (CR 17) / New Liberty Rd. (40.45096, -104.91256)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 30.9005	Other (At-Grade) Single-Lane	2019	https://www.windsorgov.com/CivicAlerts.aspx?AID=1016 ICD estimated from Google Maps linework.
Greeley, CO Weld Co. United States	20th St. / 83rd Ave. (40.40679, -104.81332)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 42.7435	Other (At-Grade) Multilane (2 Lane, unspecified)	2019	https://keepgreeleymoving.com/20th-street-improvements/ ICD estimated from Google Maps linework.
Basalt, CO Eagle Co. United States	Willits Ln. / E Valley Rd. (39.38865, -107.08520)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.7680	Other (At-Grade) Single-Lane	2011	https://www.aspentimes.com/news/willits-lane-roundabout-due-for-work/ https://www.gouldconstruction.com/willits-lane-east-valley-road-roundabout-2/ ICD estimated from Google Maps linework.
El Jebel, CO Eagle Co. United States	El Jebel Rd. / Shadow Rock Rd. (39.39554, -107.08999)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 128.2910	Other (At-Grade) Single-Lane	2017	https://www.aspentimes.com/news/el-jebel-road-roundabout-opens-saturday/ ICD estimated from Google Maps linework.
Steamboat Springs, CO Routt Co. United States	Mt Werner Cir. / Apres Ski Way (40.45516, -106.80718)	Roundabout Existing	All-Way Yield None	3 Approaches 1 Driveways 30.8986	Other (At-Grade) Single-Lane	2007	Year Completed estimated (2006-2008). ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Kendall Pkwy. / Mirror Lake (40.42922, -105.01640)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.5475	Other (At-Grade) Single-Lane	2019	ICD estimated from Google Maps linework.
Berthoud, CO Larimer Co. United States	N Berthoud Pkwy. / Grand Market Ave. / Urban Pl. (40.33801, -105.09346)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 44.6078	Other (At-Grade) Multilane (2 Lane, unspecified)	2018	Year Completed estimated (2018-2019). ICD estimated from Google Maps linework.
Berthoud, CO Larimer Co. United States	1st St. / Mountain Ave. / CR 8-CR 56 (40.30540, -105.07433)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.6997	Other (At-Grade) Single-Lane	2010	Year Completed estimated (2008-2011). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Wolf Center Dr. (38.97110, -104.72451)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 52.9272	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Valemount Dr. (38.97236, -104.72142)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 46.4265	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Briargate Pkwy. / Wolf Lake Dr. (38.97533, -104.71652)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 51.9955	Other (At-Grade) Multilane (2 Lane, unspecified)	2017	Year Completed estimated (2017-2019). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Notch Trl. (38.97849, -104.75286)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.0664	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Cordera Crest Ave. / Old Ranch Rd. (38.98344, -104.75789)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5651	Other (At-Grade) Single-Lane	2016	Year Completed estimated (2015-2017). ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Titan Rd. / Eagle River St. (39.50721, -105.03658)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 51.6027	Other (At-Grade) Single-Lane	2017	Roundabout has been constructed, but is not being fully utilized yet until the Sterling Ranch development is complete. ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Castle Rock Pkwy. / Promenade Pkwy. / I-25 SB Off-Ramp / I-25 NB Ramps (39.42427, -104.87786)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 43.3611	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Promenade Pkwy. / (parking lots) (39.41882, -104.87797)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.5192	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Castle Rock, CO Douglas Co. United States	Promenade Pkwy. / (parking lot) (39.42238, -104.87869)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 29.5233	Other (At-Grade) Multilane (2 Lane, unspecified)	2016	ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	W Caley Ave. / S Spotswood St. (39.60239, -105.01162)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 57.0533	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Snowmass Village, CO Pitkin Co. United States	Brush Creek Rd. / Wood Rd. / Kearns Rd. (39.21053, -106.94725)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 27.7620	Other (At-Grade) Single-Lane	2016	Right-turn bypass lane on south leg. ICD estimated from Google Maps linework.
Snowmass Village, CO Pitkin Co. United States	Wood Rd. / Carriage Way (39.21000, -106.94756)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.7179	Other (At-Grade) Single-lane w/ Traversable Central Island	2016	ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	Sports Blvd. / Wright St. (39.71698, -104.89131)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 18.3738	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	Sports Blvd. / Great Lawn Dr. (39.71922, -104.88740)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 15.6172	Other (At-Grade) Single-Lane	1997	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Aurora, CO Denver Co. United States	Yosemite Way. / First Ave. / Dayton St. (39.71878, -104.87592)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.6079	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	ICD estimated from Google Maps linework.
Superior, CO Boulder Co. United States	McCaslin Blvd. / Coalton Rd. (39.92872, -105.16582)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.1393	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Sky Pond Dr. / Mall Access Rd. / (parking lot) (40.41142, -104.99168)	Roundabout Existing	All-Way Yield None	4 Approaches 1 Driveways 55.4717	Other (At-Grade) Single-Lane	2005	Right-turn-only lane on southeast leg. ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Cross Roads Blvd. / Rocky Mountain Ave. (40.43602, -105.00153)	Roundabout Existing	All-Way Yield None	2 Approaches 0 Driveways 34.5435	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Clydesdale Pkwy. / Stallion Dr. (40.43774, -104.98796)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2697	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2006-2010). ICD estimated from Google Maps linework.
Boulder, CO Boulder Co. United States	Cherryvale Rd. / Oreg St. (40.01320, -105.21292)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 26.5272	Other (At-Grade) Single-Lane	2015	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / H Rd. / Eagle Dr. (39.11827, -108.52976)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 60.2299	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2006-2011). Slight elliptical shape. Right-turn bypass lane on west leg. ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	E Cross Roads Blvd. / 7th St. / (unknown) (40.43692, -104.90540)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 58.1778	Other (At-Grade) Multilane (2 Lane, unspecified)	2008	Year Completed estimated (2006-2009). ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	Eastman Park Dr. / 7th St. (40.46536, -104.90772)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 33.6198	Other (At-Grade) Single-Lane	2016	ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	Eastman Park Dr. / 3rd St. (40.46570, -104.90190)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.2542	Other (At-Grade) Single-Lane	2011	ICD estimated from Google Maps linework.