| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 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. | 
| 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. | 
| 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. | 
| 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. | 
| 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 | Rio Blanco Ave. / Parlin St. (40.41231, -105.12560) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 25.4621 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Nucla Ave. / Parlin St. / Parlin Ct. (40.41230, -105.12657) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 24.5527 | Other (At-Grade) Single-Lane | 2004 | ICD estimated from Google Maps linework. | 
| Colorado Springs,
                CO El Paso Co. United States | N Hancock Ave. / Pirates Heights / (parking lot) (38.88244, -104.80185) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 27.8912 | Other (At-Grade) Single-Lane | 2006 | Year Completed estimated (2006-2007). ICD estimated from Google Maps linework. | 
| 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. | 
| 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. | 
| 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. | 
| 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. | 
| Loveland,
                CO Larimer Co. United States | Boyd Lake Ave. / Lost Creek Dr. (40.41446, -105.02100) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 37.2826 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | West leg stubbed for future road. ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Boyd Lake Ave. / Long Pine Lake Dr. / Frank Rd. (40.41940, -105.02089) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 43.6447 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Long Pine Lake Dr. / Bluestem Willow Dr. (40.42036, -105.01331) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.9146 | Other (At-Grade) Single-Lane | 2015 | Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | N. Boyd Lake Dr. / Mountain Lion Dr. (40.40535, -105.02098) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 110.0440 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | East leg stubbed. ICD estimated from Google Maps linework. | 
| Fort Collins,
                CO Larimer Co. United States | CR 9 / CR 30 (40.46569, -105.02033) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.7110 | Other (At-Grade) Single-Lane | 2009 | Long splitter islands. Year Completed estimated (2009-2011). ICD estimated from Google Maps linework. | 
| Fort Collins,
                CO Larimer Co. United States | CR 30 / CR 11 (S Timberline Rd.) (40.46567, -105.03951) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 34.5283 | Other (At-Grade) Single-Lane | 2015 | Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | CR 30 / CR 11C (40.46562, -105.04412) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 33.6197 | Other (At-Grade) Single-Lane | 2015 | Long splitter islands. Year Completed estimated (2014-2016). ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | CR 11C / E 57th St. (40.45099, -105.04418) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 36.3535 | Other (At-Grade) Single-Lane | 2019 | ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Finch St. / Finch Pl. (40.38717, -105.06164) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 15.4649 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | Aries Dr. / Saint John Pl. (40.39440, -105.03312) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 21.8305 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2013 | Year Completed estimated (2012-2014). Appears to be a mini-roundabout but cannot verify at ground level. ICD estimated from Google Maps linework. | 
| Loveland,
                CO Larimer Co. United States | N Garfield Ave. / W 7th St. (40.39864, -105.07792) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 15.4623 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2016 | ICD estimated from Google Maps linework. | 
| Superior,
                CO Boulder Co. United States | Main St. / Gateway Dr. (39.95169, -105.16353) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Single-Lane | 2017 | Elliptical shape. | 
| Aurora,
                CO Arapahoe Co. United States | E Harvard Ave. / S Anaheim St. / Illif Station Rd. (39.67177, -104.82563) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 38.6103 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Grand Junction,
                CO Mesa Co. United States | Broadway / Redlands Pkwy. (39.07812, -108.63467) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 41.7214 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2018 | 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. | 
| Superior,
                CO Boulder Co. United States | McCaslin Blvd. / Main St. (39.95173, -105.16511) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 51.2711 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2017 | West leg stubbed for future. ICD estimated from Google Maps linework. | 
| Steamboat Springs,
                CO Routt Co. United States | Mt Werner Cir. / Ski Time Square Dr. (40.45888, -106.80633) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 1 Driveways 25.4445 | Other (At-Grade) Single-Lane | 2018 | ICD estimated from Google Maps linework. | 
| Avon,
                CO Eagle Co. United States | Prater Rd / Bachelor Gulch Trail (39.63395, -106.53386) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 27.5938 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Bayfield,
                CO La Plata Co. United States | N Mountain View Dr. / E Lakeside Dr. / E Oak Dr. (37.23990, -107.59445) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 18.0655 | Other (At-Grade) Single-Lane | 2018 | Combined two close intersections. ICD estimated from Google Maps linework. | 
| Pueblo,
                CO Pueblo Co. United States | N Purcell Rd. / E Platteville Blvd. (38.35647, -104.69429) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.7158 | Other (At-Grade) Single-Lane | 2014 | ICD estimated from Google Maps linework. | 
| Fort Collins,
                CO Larimer Co. United States | W Vine Dr. / N Shields St. (40.59630, -105.09579) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.1817 | Other (At-Grade) Single-Lane | 2015 | Streetview shows it under construction in Jul 2015. ICD estimated from Google Maps linework. | 
| Fort Collins,
                CO Larimer Co. United States | W Vine Dr. / N Taft Hill Rd. (40.59652, -105.11480) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 31.7403 | Other (At-Grade) Single-Lane | 2007 | Year Completed estimated (2006-2007). ICD estimated from Google Maps linework. | 
| Georgetown,
                CO Clear Creek Co. United States | 15th St. / Argentine St. (39.71527, -105.69520) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.8298 | Other (At-Grade) Single-Lane | 2011 | ICD estimated from Google Maps linework. | 
| Canon City,
                CO Fremont Co. United States | Dozier Ave. / Fremont Dr. (38.44797, -105.19374) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 28.0610 | Other (At-Grade) Single-Lane | 2016 | Year Completed estimated (2016-2019). ICD estimated from Google Maps linework. | 
| Glenwood Springs,
                CO Garfield Co. United States | Midland Ave. / 27th St. / (unknown) (39.52449, -107.32718) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 35.0074 | Other (At-Grade) Single-Lane | 2009 | Year Completed estimated (2006-2011). Fourth approach to new subdivision added 2015-2017. ICD estimated from Google Maps linework. | 
| Canon City,
                CO Fremont Co. United States | Elm Ave. / S 9th St. (38.42500, -105.23167) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 26.1986 | Other (At-Grade) Single-Lane | 2013 | Year Completed estimated (2011-2013). ICD estimated from Google Maps linework. |