As used in this section and section 14a to 14e:

    (a) “Corridor authority board” means the board of directors of the Mackinac Straits corridor authority appointed under section 14b.

    (b) “Mackinac Straits corridor authority” means the Mackinac Straits corridor authority created in section 14b.

    (c) “Straits protection fund” means the fund created in section 14c.

    (d) “Tunnel agreement” means an agreement or series of agreements described in section 14d.

    (e) “Utility tunnel” means a tunnel joining and connecting the Upper and Lower Peninsulas of this state at the Straits of Mackinac for the purpose of accommodating utility infrastructure, including, but not limited to, pipelines, electric transmission lines, facilities for the transmission of data and telecommunications, all useful and related facilities, equipment, and structures, and all necessary tangible or intangible real and personal property, licenses, franchises, easements, and rights-of-way.