Colorado Revised Statutes Title 32. Special Districts § 32-8-124.3. Contracts for use of tunnel

(a) The right to enforce the provisions of any contracts and to modify the contracts upon mutual agreement of the respective parties to the contracts; and

(b) The power to enter into contracts with persons and with private and public corporations for the right to use the tunnel for the transmission of power, for telephone and other communication lines, for railroad and railway purposes, and for any other purpose to which the same may be adapted. The term of a contract with any person for the right to use the tunnel must not exceed ninety-nine years. All the contracts and rights of use shall be subject and subordinate to all prior contracts and may not impair the rights of any existing legal user.