Maryland Public Utility Companies Section 5-102
§ 5-102.
  (a)   The Commission may:
    (1)   as it considers reasonable and proper, order a common carrier to issue mileage, excursion, school commuter, passenger commuter, or joint interchangeable mile tickets for all or part of the common carrier's route in the State; and
    (2)   require any two or more common carriers, whose lines form a continuous line of transportation or whose lines could form a continuous line of transportation by means of switch connection, to:
      (i)   establish through routes and joint rates;
      (ii)   provide for the manner of securing the through routes or paying the joint rates; and
      (iii)   apportion the through routes and joint rates between the affected common carriers.
  (b)   This section:
    (1)   is subject to § 7-208(f) of the Transportation Article; and
    (2)   does not limit § 5-101 of this subtitle.