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Staff Publications

Regional Transportation Authorities

Transportation & Motor Vehicles

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 five currently operational RTAs.

Email addresses for the Colorado legislature have changed from the domain to the domain on December 1, 2022. Details
The effective date for bills enacted without a safety clause (unless otherwise specified) is August 7, 2023. Details
The 2023 Ballot Information Booklet (Blue Book) is now available. Details