Maryland Public Utility Companies Section 9-206

      (a)      The owner and operator of an intrastate motor bus carrier shall prohibit the smoking of tobacco products while the bus is in public service.

      (b)      A person may not smoke tobacco products on a bus of an intrastate motor bus carrier.

      (c)      The Commission may adopt regulations to carry out the provisions of this section.

      (d)      A person who violates a provision of this section is subject to a civil penalty not exceeding $25.