Mich. Comp. Laws § 475.2

Sec. 2. It is hereby declared to be the purpose and policy of the legislature in enacting this law to confer upon the commission the power and authority and to make it its duty to supervise and regulate the transportation of property by motor vehicle for hire upon and over the public highways of this state in all matters whether specifically mentioned herein or not, so as to do all of the following: (a) Protect the safety and welfare of the traveling and shipping public in their use of the highways. (b) Promote competitive and efficient transportation services. (c) Meet the needs of motor carriers, shippers, receivers, and consumers. (d) Allow a variety of quality, price, and service options to meet changing market demands and the diverse requirements of the shipping public. (e) Allow the most productive use of equipment and energy resources. (f) Provide the opportunity for efficient and well-managed motor carriers to earn adequate profits and attract capital. (g) Promote intermodal transportation. (h) Prevent unjust discrimination. (i) Promote greater participation by minorities in the motor carrier system. (j) Provide and maintain service to small communities and small shippers. (k) Prevent evasion of this act through any device or arrangement. (l) Promote entrepreneurship in the motor carrier industry by allowing greater contract carrier economic and entry flexibility. (m) Promote the use of jointly considered and initiated rates, classifications, divisions, allowances, charges, or rules of motor carriers under commission approved agreements.