Highway Maintenance Overview
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/data/maintaining-the-system
https://www.codot.gov/programs/planning/transportation-plans-and-studies/assets/images/highway-maintenance-overview/view
https://www.codot.gov/programs/planning/transportation-plans-and-studies/assets/images/highway-maintenance-overview/@@download/image/Highway Maintenance Overview.png
Highway Maintenance Overview
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/data/maintaining-the-system