Expenses for Colorado Department of Transportation for the current and previous state fiscal year.

Road surface treatment planned (estimated) from 2017 through 2020 on highways in Colorado, from the Colorado Department of Transportation (CDOT).

Traffic counts on highways and various calculations, from Colorado Department of Transportation (CDOT), for 2018

Road surface treatment planned (estimated) from 2016 through 2019 on highways in Colorado, from the Colorado Department of Transportation (CDOT).

Rapid Transit System, Roadway Networks, Crash Data, Regional Roadway System, Traffic Analysis Data, Railroads, Bicycle Corridors, and more. This data can be searched by keyword or browsed by subject and are available in a variety of formats, including KML, WMS, GeoRSS, and Shapefile.

Highway segments and the various quality assurance data along with the overall grade, from the 2015 review of the Colorado Department of Transportation (CDOT).

Highway segments and the various quality assurance data along with the overall grade, from the 2017 review of the Colorado Department of Transportation (CDOT).

Electrified parking spaces (EPS) for Colorado is updated annually by The U.S. Department of Transportation (DOT). Navigate to source for most current information.

Local road segments in Colorado with Curve and Grade data, data on High-Occupancy Lanes, Restricted Lanes, Reversible Lanes, Express or Toll Lanes.

Road attributes including number of lanes, surface type, roughness factor, etc since 1970 from the Colorado Department of Transportation (CDOT).