| 
                City, 
                State County Country  | 
            
                Intersection (Lat, Lng)  | 
            
                Type Status  | 
            Control Type / Other Control Type | Approaches / Driveways / ICD (m) | 
                Functional Class /  LaneType  | 
            Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| 
                Greeley,
                CO Weld Co. United States  | 
            
                W. 29th St. / 67th Ave. (40.38995, -104.78710)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 48.2121  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Erie,
                CO Weld Co. United States  | 
            
                CW Bixler Blvd. / Washburn St. (40.06230, -105.05650)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 20.1096  | 
            
                Other (At-Grade) Unknown  |   
            ICD estimated from Google Maps linework. | |
| 
                Erie,
                CO Weld Co. United States  | 
            
                Lehigh Cir. / Bonanza Dr. (40.03702, -105.04080)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 29.2612  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Erie,
                CO Weld Co. United States  | 
            
                Vista Pkwy. / Mountain View Blvd. (40.00784, -105.03110)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 27.4441  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | Northbound right turn bypass lane. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Monte Vista Dr. East / W. 22nd St. (40.41451, -105.13180)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 24.5519  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Monte Vista Dr. West / W. 22nd St. (40.41449, -105.13290)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 26.3706  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                New Castle Dr. / Tabernash Dr. (40.42599, -105.12010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.5477  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Scenic Dr. / Foothills Dr. (40.39674, -105.13522)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 24.3840  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Painted splitter islands; unmarked pedestrian crossings along circulatory roadway. | 
| 
                Broomfield,
                CO Adams Co. United States  | 
            
                Zang St. / (parking lot #1) (39.92782, -105.13320)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 36.6350  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Serves commercial development. ICD estimated from Google Maps linework. | 
| 
                Broomfield,
                CO Adams Co. United States  | 
            
                Zang St. / (parking lot #2) (39.92641, -105.13170)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 35.7199  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Serves commercial development. ICD estimated from Google Maps linework. | 
| 
                Englewood,
                CO Arapahoe Co. United States  | 
            
                Englewood Pkwy. / S. Cherokee St. (39.65491, -104.99110)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 41.3782  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Englewood,
                CO Arapahoe Co. United States  | 
            
                W. Sheri Ln. / Belleview Park (39.62281, -105.00620)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 42.3174  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Johnson Rd. / 16th St. (39.74207, -105.20060)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 37.6526  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Lunnonhaus Dr. (39.74062, -105.19840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 32.0040  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Small two-lane roundabout but with nontraversable central island. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Utah St. (39.73919, -105.19620)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.8782  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                S. Golden Rd. / Ulysses St. (39.73771, -105.19390)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 38.5734  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Documented in 2002 ITE District 6 Annual Meeting Compendium of Papers. Serves retail shopping corridor. Main entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Grand Junction,
                CO Mesa Co. United States  | 
            
                Horizon Dr. / 12th St. (39.10165, -108.55234)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 1 Driveways 39.6240  | 
            
                Other (At-Grade) Single-Lane  |   
            1998 | Bicycle-only (bike-only) driveway into circulatory roadway in northeast quadrant, leading into bicycle (bike) roundabout. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                E. Lowry Blvd. / N. Uinta Way (39.71986, -104.89070)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 50.5258  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                E. Lowry Blvd. / Yosemite St. (39.72373, -104.88400)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 51.4416  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1998 | ICD estimated from Google Maps linework. | 
| 
                Frisco,
                CO Summit Co. United States  | 
            
                SH 9 / I-70 WB Ramps (39.59339, -106.09700)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 34.0524  | 
            
                Freeway Ramps (Grade-Separated) Single-Lane  |   
            2000 | Highway ref. pt. 70-202.35. ICD estimated from Google Maps linework. | 
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Arapahoe Ave. / 4th St. (40.01294, -105.29160)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Arapahoe Ave. / 5th St. (40.01295, -105.28920)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                3 Approaches 0 Driveways  | 
            
                Other (At-Grade) Single-Lane  |   
            ||
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Balsam Ave. / 14th St. (40.02675, -105.27840)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 16.4619  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Balsam Ave. / 15th St. (40.02675, -105.27660)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 8.2310  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Evergreen Ave. / 9th St. (40.03106, -105.28560)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 16.4609  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Kings Ridge Blvd. / Edison Ave. (40.03098, -105.23950)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 23.7768  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Kings Ridge Blvd. / Franklin Dr. (40.03237, -105.23960)  | 
            
                Other Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 27.4342  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Maxwell Ave. / 6th St. (40.02176, -105.28860)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 12.8046  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Pearl St. / 4th St. (40.01571, -105.29050)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 20.1234  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Pearl St. / Mid-Block (40.01501, -105.29390)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                2 Approaches 0 Driveways 16.4647  | 
            
                Other (At-Grade) Single-Lane  |   
            Facilitates U-turns at west end of Pearl Street ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Pine St. / 15th St. (40.02072, -105.27670)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 16.4634  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                Pine St. / 17th St. (40.02126, -105.27410)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown None  | 
            
                4 Approaches 0 Driveways 10.9755  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Aspen,
                CO Pitkin Co. United States  | 
            
                SR 82 / Maroon Creek Rd. / Castle Creek Rd. (39.19557, -106.84025)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 60.9600  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2000 | |
| 
                Littleton,
                CO Arapahoe Co. United States  | 
            
                Franklin St. / Cherryville Rd. (39.61832, -104.96920)  | 
            
                Traffic Calming Circle Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 8.2800  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                S. Monaco St. / E. Berry Ave. (39.61682, -104.91340)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 11.9603  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                S. Monaco St. / E. Dorado Ave. (39.61319, -104.91350)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 9.2007  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                S. Monaco St. / E. Dorado Pl. (39.61199, -104.91350)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 11.0410  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                S. Monaco St. / E. Ida Ave. (39.61082, -104.91350)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 14.7216  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                S. Monaco St. / E. Powers Ave. (39.61501, -104.91350)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 9.2005  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                S. Monaco St. / E. Prentice Pl. (39.61977, -104.91350)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 14.7197  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Greenwood Village,
                CO Arapahoe Co. United States  | 
            
                Peoria St. / Cherry Creek Dr. (39.61015, -104.84800)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 25.7631  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Golden,
                CO Jefferson Co. United States  | 
            
                Jefferson County Pkwy. / Civic Center (39.72717, -105.19940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.9051  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | Feeds parking lot ICD estimated from Google Maps linework. | 
| 
                Columbine,
                CO Jefferson Co. United States  | 
            
                S. Simms St. / W. Quincy Ave. (39.63865, -105.12860)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 34.0301  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Northglenn,
                CO Adams Co. United States  | 
            
                Melody Dr. / Kennedy Dr. (39.89222, -104.99270)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.6541  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Roundabout is single-lane except for NB approach with separate RT lane. ICD estimated from Google Maps linework. | 
| 
                Littleton,
                CO Arapahoe Co. United States  | 
            
                Elati St. / Arapahoe Rd. (39.59515, -104.99770)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 11.0437  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Littleton,
                CO Arapahoe Co. United States  | 
            
                Elati St. / Briarwood St. (39.59236, -104.99770)  | 
            
                Traffic Calming Circle Existing  | 
            
                One-Way/Two-Way Stop None  | 
            
                4 Approaches 0 Driveways 5.5221  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Rocky Mountain Ave. / Foxtrail Dr. (40.40924, -105.00230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 40.9231  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1994 | Entrance to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Rocky Mountain Ave. / McWhinney Blvd. (40.41059, -105.00230)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 43.6504  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1994 | Adjacent to shopping center. Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Bridle Oaks Dr. / Woodmont Dr. (39.01377, -104.79950)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 64.0311  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Windjammer Dr. / Brigantine Dr. (38.95401, -104.77020)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 32.5070  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Rigden Pkwy. / Custer Dr. (40.54863, -105.02960)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 39.9307  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Date estimated. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Stanton Creek Dr. / St. Thomas Dr. (40.49066, -105.05590)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 24.5241  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Stanton Creek Dr. / Tortola Way (40.48999, -105.05430)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.4327  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Cuerto Ln. / (unknown) (40.57718, -105.13330)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.3067  | 
            
                Other (At-Grade) Single-Lane  |   
            2005 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Tierra Ln. / Saddle Ridge Condominiums (40.57545, -105.13140)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 28.1217  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Oval Dr. (Howes St. / Plum St. / Isotope Dr. / East Dr. / Music Dr.) (40.57639, -105.08070)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                6 Approaches 0 Driveways 19.0499  | 
            
                Other (At-Grade) Single-Lane  |   
            Functional Class: Local ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                College Ave. / Laporte Ave. (40.58899, -105.07720)  | 
            
                Other Removed  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.3021  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            Functional Class: Arterial ICD estimated from Google Maps linework. | |
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Glen Isle Dr. / Glendale Dr. (40.43433, -105.11460)  | 
            
                Other Existing  | 
            
                All-Way Yield Unknown  | 
            
                4 Approaches 0 Driveways 27.4320  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | No splitter islands on side street. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Glen Isle Dr. / Buckingham Cir. (40.43580, -105.10680)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 64.5421  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Seven Lakes Dr. / Horseshoe Dr. (40.42844, -105.05100)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 20.0011  | 
            
                Other (At-Grade) Single-Lane  |   
            1996 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                Seven Lakes Dr. / Madison Ave. (40.42698, -105.05790)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 18.1832  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Loveland,
                CO Larimer Co. United States  | 
            
                E. 13th St. / N. Denver Ave. (40.40520, -105.04480)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7445  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Southbound approach has two-lane approach with right-turn-only lane; all other approaches are single-lane. Traffic from SuperWalMart and movie theatre go through roundabout to get to NB Denver to get to US 34/Eisenhower. Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Silverwood Dr. / Centennial Rd. (40.54545, -105.05120)  | 
            
                Traffic Calming Circle Removed  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.7646  | 
            
                Other (At-Grade) Single-Lane  |   
            Small almost mini-roundabout used for traffic calming measure. People drove through plastic posts, rendering roundabout useless; idea scrapped in less than 6 mo. Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Fort Collins,
                CO Larimer Co. United States  | 
            
                Mt. Vernon Ct. / New Bedford Dr. / Ticonderoga Dr. (40.53008, -105.05420)  | 
            
                Traffic Calming Circle Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.4175  | 
            
                Other (At-Grade) Single-Lane  |   
            Small almost mini roundabout, not very functional. Has small central island and no splitter islands only haching and road markings. Functional Class: Collector ICD estimated from Google Maps linework. | |
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Beech Ave. / 1st St. (38.79048, -104.84660)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 42.8219  | 
            
                Other (At-Grade) Single-Lane  |   
            ICD estimated from Google Maps linework. | |
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Lake Ave. / Lake Cir. (38.79144, -104.84880)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 23.2724  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Year Completed estimated (before 1999). ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Pine Manor Dr. / Stoneglen Dr. (38.96827, -104.76670)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.9289  | 
            
                Other (At-Grade) Single-Lane  |   
            2000 | ICD estimated from Google Maps linework. | 
| 
                Denver,
                CO Denver Co. United States  | 
            
                Chopper Cir. / VIP Parking / 9th St. / Access Rd (39.74721, -105.00810)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 52.3424  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Located at Pepsi Center arena Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Sybilla Ln. / (parking lot) (39.01263, -104.81160)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 25.9841  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Stout Dr. / (parking lot) (39.01775, -104.81250)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 20.4146  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Lakewood,
                CO Jefferson Co. United States  | 
            
                Allison Pkwy. / Civic Center (39.70906, -105.08630)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 31.2390  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | ICD estimated from Google Maps linework. | 
| 
                Lakewood,
                CO Jefferson Co. United States  | 
            
                Arbutus Dr. / W. 2nd Pl. (39.71649, -105.14750)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 27.5609  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Superior,
                CO Boulder Co. United States  | 
            
                5th Ave. / Center Dr. (39.95764, -105.17190)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 31.1262  | 
            
                Other (At-Grade) Single-Lane  |   
            1999 | Serves Costco and Target as part of 750,000 square foot shopping center. Functional Class: Local ICD estimated from Google Maps linework. | 
| 
                Windsor,
                CO Weld Co. United States  | 
            
                Westgate Dr. / Oakmond St. (40.48121, -104.98870)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 48.7680  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x1 max)  |   
            2020 | Year Completed estimated (2019-2021). Opened 1999-2004 as single-lane cul-de-sac with south leg and stubs on west and east legs and no evidence of traffic control; the outer portions of circulatory roadway were striped out. Converted to 2x1 roundabout 2019-2021 with addition of north leg. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Chapel Hills Dr. / Divot Trl. (38.97569, -104.77560)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 29.7116  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2002 | Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Boulder,
                CO Boulder Co. United States  | 
            
                St. Johns St. / New Haven Ct. (Hampton Circle) (40.04742, -105.24740)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 25.5996  | 
            
                Other (At-Grade) Single-Lane  |   
            1997 | ICD estimated from Google Maps linework. | 
| 
                Fruita,
                CO Mesa Co. United States  | 
            
                Aspen Ave. / Mesa St. (Park Square) (39.15884, -108.73360)  | 
            
                Other Existing  | 
            
                Unknown Unknown  | 
            
                0 Approaches 0 Driveways 77.7908  | 
            
                Other (At-Grade) Unknown  |   
            Completed 1940? ICD estimated from Google Maps linework. | |
| 
                Eagle,
                CO Eagle Co. United States  | 
            
                Eby Creek Rd. / US 6 (39.65630, -106.82500)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                4 Approaches 0 Driveways 40.4579  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Opened July 2001. Highway ref pt. 6-49.67. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Gypsum,
                CO Eagle Co. United States  | 
            
                I-70 Frontage Roads / US 6 (39.65086, -106.95510)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.3351  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Colorado Springs,
                CO El Paso Co. United States  | 
            
                Chapel Hills Dr. / Royal Pine Dr. (38.98067, -104.77060)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 26.9242  | 
            
                Other (At-Grade) Single-Lane  |   
            2002 | ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Wilson Gulch Dr. / Three Springs Blvd. (37.23339, -107.82310)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 51.8160  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            2006 | |
| 
                Lakewood,
                CO Jefferson Co. United States  | 
            
                Arbutus Dr. / Red Rocks Community College (39.71903, -105.14840)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.7465  | 
            
                Other (At-Grade) Single-Lane  |   
            2001 | Functional Class: Collector ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Florida Rd. / Riverview Dr. (37.28319, -107.86900)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 30.4086  | 
            
                Other (At-Grade) Single-Lane  |   
            2010 | ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                CR 238 / Fort Lewis Dr. / College Dr. (37.27940, -107.85940)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 42.7643  | 
            
                Other (At-Grade) Single-Lane  |   
            2007 | ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                (Mercy Regional Medical Center ring road) / (unknown) (37.23677, -107.82050)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 34.2308  | 
            
                Other (At-Grade) Single-Lane  |   
            2006 | ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Jenkins Ranch Rd. / Kennebec Dr. (37.29216, -107.84010)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                4 Approaches 0 Driveways 23.7539  | 
            
                Other (At-Grade) Single-Lane  |   
            2003 | ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Jenkins Ranch Rd. / Ophir Dr. (37.28321, -107.85120)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 26.6075  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Vail,
                CO Eagle Co. United States  | 
            
                Vail Rd. / I-70 WB Ramps / North Frontage Rd. / Spraddle Cr. Rd. (39.64477, -106.37770)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 36.5760  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            1995 | Raindrop-shaped central island. | 
| 
                Vail,
                CO Eagle Co. United States  | 
            
                Vail Rd. / I-70 EB Ramps / South Frontage Rd. (39.64355, -106.37810)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 59.4360  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            1995 | Completed October 1995. Circular central island. | 
| 
                Vail,
                CO Eagle Co. United States  | 
            
                Chamonix Rd. / I-70 WB Ramps / North Frontage Rd. (39.62828, -106.42120)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 45.7200  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            1997 | |
| 
                Vail,
                CO Eagle Co. United States  | 
            
                Chamonix Rd. / I-70 EB Ramps / South Frontage Rd. (39.62753, -106.42020)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 45.7200  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max)  |   
            1997 | |
| 
                Avon,
                CO Eagle Co. United States  | 
            
                Avon Rd. / I-70 WB Ramps (39.63782, -106.52080)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield Active Pedestrian Warning (flashing yellow)  | 
            
                3 Approaches 0 Driveways 42.6720  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            1997 | Highway ref. pt. 70-166.62. Raindrop shaped. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                Avon Rd. / I-70 EB Ramps (39.63683, -106.52170)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                3 Approaches 0 Driveways 44.1960  | 
            
                Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x2 max)  |   
            1997 | Highway ref. pt. 70-166.62. Raindrop shaped. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                Avon Rd. / Beaver Creek Blvd. (39.63528, -106.52220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 68.5800  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            1997 | Right-turn-only lane on north leg. Elliptical shaped. Skewed intersection. ICD = 225 ft x 160 ft. | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                Avon Rd. / Benchmark Rd. (39.63425, -106.52220)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            1997 | Originally had raindrop shape with locked gate access across south leg for emergency vehicles only. Redesigned and reopened May 2007 with full access. 21442 | 
| 
                Avon,
                CO Eagle Co. United States  | 
            
                Avon Rd. / US 6 (39.63110, -106.52260)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 45.7200  | 
            
                Other (At-Grade) Multilane (2 Lane, 2x2 max)  |   
            1997 | Highway ref. pt. 6-170.04. Right-turn-only lane on east leg. | 
| 
                Nederland,
                CO Boulder Co. United States  | 
            
                SH 72 / SH 119 / 2nd St. / Bridge St. (39.96261, -105.51030)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                5 Approaches 0 Driveways 23.8006  | 
            
                Other (At-Grade) Single-Lane  |   
            1995 | Opened June 1995. Previously controlled by two-way stop Functional Class: Arterial ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Jenkins Ranch Rd. / Lizard Head (south) (37.28605, -107.84710)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 24.7061  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                Durango,
                CO La Plata Co. United States  | 
            
                Jenkins Ranch Rd. / Lizard Head (north) (37.28920, -107.84310)  | 
            
                Roundabout Existing  | 
            
                Unknown Unknown  | 
            
                3 Approaches 0 Driveways 27.5556  | 
            
                Other (At-Grade) Single-Lane  |   
            2004 | ICD estimated from Google Maps linework. | 
| 
                (unincorporated),
                CO Douglas Co. United States  | 
            
                Ridgegate Pkwy. / Ridgegate Cir. / Commons St. (39.53187, -104.88300)  | 
            
                Roundabout Existing  | 
            
                All-Way Yield None  | 
            
                4 Approaches 0 Driveways 53.4267  | 
            
                Other (At-Grade) Multilane (2 Lane, unspecified)  |   
            2006 | Part of transit-oriented development near future light-rail station ICD estimated from Google Maps linework. |