Gas Tax
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/data/funding
https://www.codot.gov/programs/planning/transportation-plans-and-studies/assets/images/gas-tax/view
https://www.codot.gov/programs/planning/transportation-plans-and-studies/assets/images/gas-tax/@@download/image/Gas Tax.jpg
Gas Tax
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/data/funding