Purchasing Power Decline
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/purchasing-power-decline/view
https://www.codot.gov/programs/planning/transportation-plans-and-studies/assets/images/purchasing-power-decline/@@download/image/Purchasing Power Decline.png
Purchasing Power Decline
https://www.codot.gov/programs/colorado-transportation-matters/statewide-transportation-plans/data/maintaining-the-system