Denali Transportation System Act

Denali Transportation System Act - Amends the Denali Commission Act of 1998 to direct the Secretary of Transportation to establish a program to pay the design and construction costs of the Denali transportation system in Alaska. Authorizes the Commission to construct marine connections and other transportation access infrastructure for communities that would otherwise lack access to the National Highway System. Makes each completed highway on the Denali transportation system a part of the National Highway System. Authorizes the Commission to give preference to the use of Alaskan construction firms and Alaskan materials used in the construction of the Denali transportation system.