Railroad locations with associated data (in service, types of passenger, etc) from the Colorado Department of Transportation (CDOT).

All public road locations that are not in local roads, from the Colorado Department of Transportation (CDOT). The location of all major roads, does not contain local roads or highways. Contains data on size of road, type, length, etc.

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

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

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

Traffic counts on highways and various calculations, from Colorado Department of Transportation (CDOT), for 2015

Location and counts for number of pedestrians and bicyclists to pass by a specific spot in a given hour over a 24 hour period, from the Colorado Department of Transportation (CDOT).

County boundaries and area, from the Colorado Department of Transportation (CDOT) for 64 counties in the state of Colorado.

Links and feeds for live traffic around Colorado, from the Colorado Department of Transportation: COTRIP Online Transportation Information System. Information is provided on current and projected traffic volumes, state highway attributes, summary roadway statistics, demographics and geographic data. This is the access point to information frequently used for transportation planning and project development.

Traffic counts on highways and various calculations, from Colorado Department of Transportation (CDOT), for 2017