§ 96. Safe and adequate service; just and reasonable charges. Every corporation, person or common carrier performing a service designated in the preceding section, shall furnish, with respect thereto, such service and facilities as shall be safe and adequate and in all respects just and reasonable. All charges made or demanded by any such corporation, person or common carrier for the transportation of passengers or property or for any service rendered or to be rendered in connection therewith shall be just and reasonable and not more than allowed by law or by order of the commissioner and made as authorized by this chapter. Every unjust or unreasonable charge made or demanded for any such service or transportation of passengers or property or in connection therewith or in excess of that allowed by law or by order of the commissioner is prohibited.