Garfield County, Colorado road network, including state & federal highways, county roads, city streets, other local roads open to the public, and private roads and trails. Updated 12-31-2013

CDOT gives a letter grade to overall roadway condition. It is a combination of the percent of highway pavement determined to have high or moderate Drivability Life and the level of service (LOS) delivered by CDOT’s maintenance program. The Department in 2013 changed its way of evaluating pavement condition. Grades for previous years are not directly comparable.

Garfield County, Colorado road network, including state & federal highways, county roads, city streets, other local roads open to the public, and private roads and trails. Updated 12-31-2013

The mile points for every interstate highway in Colorado, from the Colorado Department of Transporation

Congestion measurements are defined by travel-time delay, which is the difference between the travel time on highways at the free flow speed and the time spent in current traffic. In 2012, the average travel-time delay on all congested corridors was 17.2 minutes per traveler, per day. A highway is considered congested when the peak traffic volume is 85 percent or greater than what the highway was designed to sustain.

The mile points for every interstate highway in Colorado, from the Colorado Department of Transporation

Highway locations and various data: speed limits, surface type, access, etc, from the Colorado Department of Transportation (CDOT).

Highway curvature and gradient data in sections across Colorado since 1998. Contains detailed data on selected roadways, including rigidity, flexibility, curvature, grade, sight distance, speed limits, length of green time, etc from the Colorado Department of Transportation (CDOT).

Road curvature and gradient data in sections across Colorado, from the Colorado Department of Transportation (CDOT), since 2000. Contains roadway sections and various data about them: road width, thickness, curvature, grade, speed limits, signals, etc.

Highway segments and the various quality assurance data along with the overall grade, from the 2014 review of the Colorado Department of Transportation (CDOT).