Roundabouts Database Index

29411 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
(unincorporated), CO Douglas Co. United States	Blackgum St. / Golden Eye Ave. (39.56456, -104.80327)	Traffic Calming Circle Existing	All-Way Yield None	3 Approaches 0 Driveways 31.3044	Other (At-Grade) Single-Lane	2001	No splitter islands. Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
(unincorporated), CO Douglas Co. United States	Lioness Way / Lioness Pl. (39.53520, -104.84861)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.5287	Other (At-Grade) Single-Lane	2005	ICD estimated from Google Maps linework.
Henderson, CO Adams Co. United States	E 96th Ave. / I-76 NB Ramps / Brighton Rd. / I-76 Frontage Rd. (39.87074, -104.90024)	Roundabout Existing	All-Way Yield Unknown	5 Approaches 0 Driveways 68.7479	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Henderson, CO Adams Co. United States	E 96th Ave. / I-76 WB Ramps / Brighton Rd. / I-76 Service Rd. (39.87079, -104.90301)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 65.0813	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Bromley Ln. / Medical Center Dr. (39.97238, -104.75449)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 40.2723	Other (At-Grade) Single-Lane	2008	Year Completed estimated (2008-2010). ICD estimated from Google Maps linework.
Centennial, CO Arapahoe Co. United States	S Peoria St. / E Peakview Ave. (39.59674, -104.84809)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8116	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Nelson Blvd. / Harr Ave. (38.73903, -104.80268)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 38.1948	Other (At-Grade) Single-Lane	2004	ICD estimated from Google Maps linework.
Avon, CO Eagle Co. United States	William J Post Blvd. / Swift Gulch Rd. (39.62841, -106.49309)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 34.0351	Other (At-Grade) Single-Lane	2007	Year completed estimated. ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / Chambers Ave. (39.65871, -106.82638)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 45.9733	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / I-70 EB Ramps (39.65961, -106.82719)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 37.6976	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Right-turn bypass lane in southeast quadrant. Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / I-70 WB Ramps (39.66068, -106.82819)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 32.1804	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	Eby Creek Rd. / Market St. (39.66135, -106.82905)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 29.4218	Other (At-Grade) Single-Lane	2013	Estimated year completed; built sometime between 2011 and 2015. ICD estimated from Google Maps linework.
Eagle, CO Eagle Co. United States	US 6 / Sylvan Lake Rd. / Violet Ln. (39.64773, -106.83799)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 42.3021	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	Estimated year completed. ICD estimated from Google Maps linework.
Edwards, CO Eagle Co. United States	Beard Creek Rd. / Berry Creek Rd. (39.65095, -106.58730)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 27.5871	Other (At-Grade) Single-Lane	2010	ICD estimated from Google Maps linework.
Edwards, CO Eagle Co. United States	Edwards Access Rd. / Beard Creek Rd. / I-70 WB Ramps (39.64991, -106.58720)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 41.3812	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Edwards, CO Eagle Co. United States	Edwards Access Rd. / I-70 EB Ramps (39.64891, -106.58780)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7034	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Edwards, CO Eagle Co. United States	Edwards Access Rd. / Miller Ranch Rd. (39.64800, -106.58850)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.4627	Other (At-Grade) Multilane (2 Lane, unspecified)	2010	ICD estimated from Google Maps linework.
Colorado Springs, CO El Paso Co. United States	Antelope Ridge Dr. / Blue Vail Way (38.90824, -104.68610)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 31.5986	Other (At-Grade) Single-Lane	2006	Functional Class: Local 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.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Heron St. (39.97720, -104.74991)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 89.6910	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Goshawk Ct. / Heron Ln. (39.97633, -104.74956)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 58.5745	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Tanager St. (39.97858, -104.74845)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 84.1980	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Golden Eagle Pkwy. / Crane St. / Southern St. (39.97963, -104.74733)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 96.0941	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Nighthawk Pkwy. / Crane St. (39.98134, -104.74878)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 65.8914	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Nighthawk Pkwy. / Heron St. (39.98132, -104.75076)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 96.0917	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Pelican St. / (unknown) (39.97597, -104.74867)	Traffic Calming Circle Existing	Unknown Unknown	4 Approaches 0 Driveways 30.4800	Other (At-Grade) Single-Lane	2006	ICD estimated from Google Earth.
Brighton, CO Adams Co. United States	Goshawk St. / Tanager St. (39.97816, -104.74840)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7104	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Goshawk St. / Crane St. (39.97920, -104.74729)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 24.7101	Other (At-Grade) Single-Lane	1998	Year Completed estimated (1993-1999). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Prairie Falcon Pkwy. / Killdeer St. (39.98546, -104.74473)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 108.8973	Other (At-Grade) Single-Lane	2000	Year Completed estimated (1999-2002). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Royal Pine St. / Bristle Cone St. (39.99139, -104.74762)	Roundabout Existing	Unknown None	4 Approaches 0 Driveways 73.2019	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Royal Pine St. / Longs Peak St. (39.99458, -104.74971)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 21.0446	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Midland St. / N 46th Ave. (39.99625, -104.75962)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 131.7535	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	Midland St. / N 45th Ave. (39.99675, -104.76143)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 71.3663	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	N 45th Ave. / Oxbow Dr. (39.99866, -104.76214)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 115.2808	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Brighton, CO Adams Co. United States	N 42nd Ave. / Clover Ln. (39.99227, -104.76718)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 119.8666	Other (At-Grade) Single-Lane	2003	Year Completed estimated (2002-2004). ICD estimated from Google Maps linework.
Telluride, CO San Miguel Co. United States	CO-145 / CO-145 Spur (37.95036, -107.87135)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 37.6712	Other (At-Grade) Single-Lane	2013	Through bypass lane along top of T-intersection. Year Completed estimated (2011-2014). 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.
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.
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.
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.
Windsor, CO Weld Co. United States	Eastman Park Dr. / Water Valley Pkwy. / Cornerstone Dr. (40.46521, -104.89186)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 35.4372	Other (At-Grade) Single-Lane	2015	Year Completed estimated (2014-2016). ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	Pecos St. / I-70 WB Ramps / W 48th Ave. (39.78374, -105.00637)	Roundabout Existing	All-Way Yield None	5 Approaches 0 Driveways 52.3146	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Denver, CO Denver Co. United States	Pecos St. / I-70 EB Ramps (39.78281, -105.00640)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 42.2194	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2013	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.
Fruita, CO Mesa Co. United States	CO-340 / I-70 EB Ramps / I-70 Frontage Rd. (39.15470, -108.73769)	Roundabout Existing	All-Way Yield Active Pedestrian Warning (flashing yellow)	4 Approaches 0 Driveways 40.7499	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Fruita, CO Mesa Co. United States	CO-340 / Raptor Rd. (39.15351, -108.73813)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 47.2337	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	G Rd. / 23rd Rd. (39.10632, -108.62669)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways	Other (At-Grade) Single-Lane	2011	Specifically designed for over-length, WB-110 trucks.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / I-70 WB Ramps (39.11215, -108.53938)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 50.0415	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Grand Junction, CO Mesa Co. United States	Horizon Dr. / I-70 EB Ramps / Horizon 70 Ct. (39.11140, -108.54051)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.0420	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Glenwood Springs, CO Garfield Co. United States	US 6 (6th St.) / Laurel St. / N River Dr. (39.55027, -107.32708)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 37.7572	Other (At-Grade) Single-Lane	2017	ICD estimated from Google Maps linework.
Carbondale, CO Garfield Co. United States	CO-133 / Main St. (39.40113, -107.21968)	Roundabout Existing	All-Way Yield Rectangular Rapid Flashing Beacon (RRFB)	4 Approaches 0 Driveways 42.4526	Other (At-Grade) Multilane (2 Lane, unspecified)	2013	ICD estimated from Google Maps linework.
Breckenridge, CO Summit Co. United States	CO-9 / Stan Miller Dr. / Fairview Blvd. (39.52585, -106.04534)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 40.5341	Other (At-Grade) Multilane (2 Lane, unspecified)	2015	ICD estimated from Google Maps linework.
Silt, CO Garfield Co. United States	US 6 (Main St. / ) / 9th St. (39.54703, -107.65360)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 22.1028	Other (At-Grade) Single-Lane	2009	ICD estimated from Google Maps linework.
Rifle, CO Garfield Co. United States	Taughenbaugh Blvd. / I-70 EB Ramps (39.52339, -107.77710)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 50.6695	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Rifle, CO Garfield Co. United States	Taughenbaugh Blvd. / 7th St. / Airport Rd. (39.52260, -107.77673)	Roundabout Existing	All-Way Yield None	4 Approaches 0 Driveways 36.8509	Other (At-Grade) Multilane (2 Lane, unspecified)	2009	ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	New Liberty Rd. / (future road) (40.45101, -104.91123)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 43.6242	Other (At-Grade) Multilane (2 Lane, unspecified)	2005	ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	New Liberty Rd. / Marina Dr. (40.44626, -104.90330)	Roundabout Existing	All-Way Yield None	3 Approaches 0 Driveways 49.9896	Other (At-Grade) Multilane (2 Lane, unspecified)	2006	ICD estimated from Google Maps linework.
Windsor, CO Weld Co. United States	CR 62 / Covered Bridge Pkwy. (40.43593, -104.93456)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 57.9120	Other (At-Grade) Multilane (2 Lane, unspecified)	2018
Loveland, CO Larimer Co. United States	E Crossroads Blvd. / I-25 SB Ramps (40.43596, -104.99335)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 40.9068	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	E Crossroads Blvd. / I-25 NB Ramps (40.43597, -104.99138)	Roundabout Existing	All-Way Yield Unknown	3 Approaches 0 Driveways 38.1797	Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified)	2011	ICD estimated from Google Maps linework.
Loveland, CO Larimer Co. United States	Byrd Dr. / Test Dr. (40.43198, -104.99591)	Roundabout Existing	All-Way Yield Unknown	4 Approaches 0 Driveways 47.2729	Other (At-Grade) Multilane (2 Lane, unspecified)	2007	ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	Powers Ave. / S Greenwood St. (39.61509, -105.00042)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 35.8818	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	S Gallup St. / W Arapahoe Rd. (39.59517, -105.00233)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 12.8843	Other (At-Grade) Single-Lane		ICD estimated from Google Maps linework.
Littleton, CO Arapahoe Co. United States	S Elati St. / W Davies Way (39.58691, -104.99775)	Traffic Calming Circle Existing	One-Way/Two-Way Stop Unknown	4 Approaches 0 Driveways 9.2042	Other (At-Grade) Single-Lane		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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.