Staff Publications Regional Transportation Authorities This memorandum provides information concerning regional transportation authorities (RTAs). Specifically, it provides an overview of state laws pertaining to RTAs, RTAs currently established, powers of and financing mechanisms available to RTAs, and sales and use taxes levied in each of the seven currently operational RTAs. Release date: 2025-12-30 Publishing Agency: Legislative Council Staff Subjects: Transportation & Motor Vehicles Download File
Final/Annual Reports 2025 Transportation Legislation Review Committee Final Report Submitted herewith is the final report of the Transportation Legislation Review Committee (TLRC). This committee was created pursuant to Section 43-2-145, Colorado Revised Statutes. The purpose of this committee is to give guidance and direction to the Colorado Department of Transportation on the development of the state transportation system, and to provide legislative oversight of and input into such development. Release date: 2025-12-16 Publishing Agency: Legislative Council Staff Subjects: General Assembly Transportation & Motor Vehicles Download File
Staff Publications National Environmental Policy Act and Large Transportation Projects The National Environmental Policy Act of 1969 (NEPA) was signed into law in 1970. It requires federal agencies to consider the environmental effects of a project and involve the public in the decision-making process before proceeding with a project. The requirements for complying with NEPA depend on many factors, including the size and scope of the project and the extent of which it may affect community resources, such as parks, water resources, and urban communities. Release date: 2025-12-01 Publishing Agency: Legislative Council Staff Subjects: Transportation & Motor Vehicles Download File
Issue Briefs Specific Ownership Tax In place of property taxes, Coloradans pay the specific ownership tax (SOT) on their vehicles. This issue brief provides an overview of the SOT, including how it is calculated, collected, and distributed. Release date: 2025-11-19 Publishing Agency: Legislative Council Staff Subjects: Transportation & Motor Vehicles Download File
Staff Publications State Fleet Management and Costs The Department of Personnel and Administration (DPA) administers the State Fleet Management Program. This memorandum provides an overview of the program, characteristics of the state fleet, and how vehicle-related costs are handled in fiscal notes and the budget process. Release date: 2025-09-16 Publishing Agency: Subjects: State Government Transportation & Motor Vehicles Download File
Summary of Major Legislation Summary of 2025 Transportation & Motor Vehicles Legislation During the 2025 legislative session, the General Assembly considered a number of bills related to transportation and motor vehicles. Release date: 2025-06-25 Publishing Agency: Subjects: General Assembly Transportation & Motor Vehicles Download File
Tax Expenditure Evaluation Sustainable Aviation Fuel State Incentives Memo Memo No. 2025-TE7 Release date: 2025-05-29 Publishing Agency: Office of the State Auditor Subjects: Fiscal Policy & Taxes Transportation & Motor Vehicles Download File
Issue Briefs Bus Rapid Transit According to the Federal Transit Administration (FTA), Bus Rapid Transit (BRT) is a high-quality bus-based transit system that delivers fast and efficient service that may include dedicated lanes, busways, traffic signal priority, off-board fare collection, elevated platforms and enhanced stations. BRT is considered by many transit planners as a cost-effective way to increase transit ridership, reduce wait times, and increase rider safety and comfort. Release date: 2025-02-18 Publishing Agency: Subjects: Local Government Transportation & Motor Vehicles Download File
Final/Annual Reports 2024 Transportation Legislation Review Committee Final Report Submitted herewith is the final report of the Transportation Legislation Review Committee (TLRC). This committee was created pursuant to Section 43-2-145, Colorado Revised Statutes. The purpose of this committee is to give guidance and direction to the Colorado Department of Transportation on the development of the state transportation system, and to provide legislative oversight of and input into such development. Release date: 2024-12-31 Publishing Agency: Subjects: General Assembly Transportation & Motor Vehicles Download File
Final/Annual Reports 2024 Transportation Legislation Review Committee Final Report Submitted herewith is the final report of the Transportation Legislation Review Committee (TLRC). This committee was created pursuant to Section 43-2-145, Colorado Revised Statutes. The purpose of this committee is to give guidance and direction to the Colorado Department of Transportation on the development of the state transportation system, and to provide legislative oversight of and input into such development. Release date: 2024-12-16 Publishing Agency: Subjects: Transportation & Motor Vehicles Download File
Staff Publications Required Reporting on Greenhouse Gas Emissions Reports Legislative Council Staff produces greenhouse gas emissions reports (GHG reports) that estimate the emissions impact of certain bills. Utilization of these reports has been low. The reports repeal following the 2025 session unless extended by legislation. Release date: 2024-11-27 Publishing Agency: Subjects: Energy General Assembly Natural Resources & Environment Public Health Transportation & Motor Vehicles Download File
Issue Briefs Drone Use and Regulation in the Public Sector This issue brief provides an overview of public sector use of unmanned aircraft systems (UAS), commonly known as drones, including federal and state regulations, and current applications in Colorado. Release date: 2024-10-21 Publishing Agency: Subjects: Transportation & Motor Vehicles Download File
Tax Expenditure Evaluation Agricultural Applicator Aviation Fuel Tax Refund Report No. 2024-TE7 Release date: 2024-08-30 Publishing Agency: Office of the State Auditor Subjects: Agriculture Fiscal Policy & Taxes Transportation & Motor Vehicles Download File
Tax Expenditure Evaluation Fuel Excise Tax Expenditures Report No. 2024-TE6 Release date: 2024-06-28 Publishing Agency: Office of the State Auditor Subjects: Fiscal Policy & Taxes Transportation & Motor Vehicles Download File
Tax Expenditure Evaluation Fuel Excise Tax Expenditures Report No. 2024-TE6 Release date: 2024-06-28 Publishing Agency: Office of the State Auditor Subjects: Fiscal Policy & Taxes Transportation & Motor Vehicles Download File
Issue Briefs Bicycle, Electric Bicycle, and Electric Scooter Transportation in Colorado This issue brief provides an overview of state law regarding bicycles, electric bicycles, and electric scooters, as well as state and local electric bicycle rebate programs. Release date: 2024-04-12 Publishing Agency: Subjects: Transportation & Motor Vehicles Download File
Staff Publications Colorado Motor Vehicle Resource Book The Colorado Motor Vehicle Resource Book is intended to serve as a reference guide for information on the state's motor vehicle laws. View Full Motor Vehicle Law Resource Book Alternative Fuel Vehicle Tax Credits Release date: 2024-03-01 Publishing Agency: Subjects: Transportation & Motor Vehicles
Tax Expenditure Evaluation Dyed Special Fuels and Off-Road Fuel Use Tax Expenditures Report No. 2024-TE2 Release date: 2024-02-29 Publishing Agency: Office of the State Auditor Subjects: Fiscal Policy & Taxes Transportation & Motor Vehicles Download File
Final/Annual Reports 2023 Transportation Legislation Review Committee Final Report Submitted herewith is the final report of the Transportation Legislation Review Committee. This committee was created pursuant to Section 43-2-145, Colorado Revised Statutes. Release date: 2024-01-17 Publishing Agency: Subjects: Transportation & Motor Vehicles Download File
Tax Expenditure Evaluation Alternative Transportation Options Credit for Employers Memo Memo No. 2023-TE20 Release date: 2023-11-30 Publishing Agency: Office of the State Auditor Subjects: Fiscal Policy & Taxes Transportation & Motor Vehicles Download File
Staff Publications Colorado Motor Vehicle Law Resource Book The Colorado Motor Vehicle Resource Book is intended to serve as a reference guide for information on the state's motor vehicle laws. Motor Vehicle Law Resource Book Release date: 2023-01-26 Publishing Agency: Subjects: Insurance Transportation & Motor Vehicles
Issue Briefs Vehicle Towing and Booting (23-01) This issue brief provides an overview of Colorado laws and regulations related to motor vehicle towing and immobilization with the use of boots. Release date: 2023-01-09 Publishing Agency: Subjects: Transportation & Motor Vehicles Download File
Final/Annual Reports 2022 Transportation Legislation Review Committee Final Report This committee was created pursuant to Section 43-2-145, C.R.S. The purpose of this committee is to give guidance and direction to the Colorado Department of Transportation on the development of the state transportation system, and to provide legislative oversight of and input into such development. The TLRC is granted statutory oversight responsibilities for certain activities of the state’s regional transportation and public highway authorities, as well as the Regional Transportation District in the Denver metropolitan area. The TLRC also monitors the activities of the C Release date: 2022-12-29 Publishing Agency: Subjects: General Assembly Transportation & Motor Vehicles Download File
Staff Publications Transportation Handbook (2022) Colorado's transportation system consists of the state highway system, county and municipal roads, mass transit, airports, railroads, and bicycle and pedestrian routes. The system is primarily managed by the Colorado Department of Transportation (CDOT). Cities, counties, transit authorities, regional transportation authorities, public highway authorities, and other state agencies are also involved in managing portions of the system. The Colorado Transportation Commission provides direction to CDOT, a role authorized by the General Assembly in state law. Both state an Release date: 2022-12-02 Publishing Agency: Subjects: Local Government Transportation & Motor Vehicles Download File
Staff Publications Colorado Grant Funding through IIJA and IRA This memorandum describes the programs authorized by the Infrastructure Investment and Jobs Act and the Inflation Reduction Act that may provide formula or competitive grants to Colorado. Release date: 2022-11-23 Publishing Agency: Subjects: State Revenue & Budget Transportation & Motor Vehicles Water Download File