The purpose of this section is to: Facilitate the obtaining of permits; Eliminate undue hardships to political subdivisions, contractors, and the movers of heavy or large equipment; and Make possible, when circumstances justify, the issuing of permits under which more than one move can be made. The State Highway Administration and the Department of State Police jointly may formulate rules and regulations that: Implement the statutes on the movement of oversize and overweight vehicles; and Establish fees and charges under these statutes. Before a rule or regulation may be adopted or amended under this section, the State Highway Administration shall hold a public hearing on it. After the hearing, the State Highway Administration may adopt the proposed rule, regulation, or amendment or any appropriate modification to it.