(a) Regulation.--The commission shall regulate:
(1) Contract carriers by motor vehicle, and to that end the commission may prescribe minimum rates which are just and reasonable, and establish requirements with respect to uniform systems of accounts, records, reports, preservation of records, safety of service and equipment and insurance.
(2) Brokers, and to that end the commission may prescribe requirements with respect to licensing, financial responsibility, accounts, reports, records, services and practices of any such brokers.
(b) Classification.--The commission may from time to time establish such classifications of contract carriers by motor vehicle, or brokers, as the special nature of the service of such carriers or brokers shall require and as deemed necessary or desirable in the public interest.