Maryland Public Utility Companies Section 9-403
§ 9-403.
  (a)   If safe to install, reasonably practicable, and justified by the volume of business, a railroad company, on the application of a shipper, shall construct, maintain, and operate on reasonable terms:
    (1)   a switch connection or a connection with a lateral line of railroad or private sidetrack owned by the shipper; or
    (2)   a sidetrack and switch connection for the shipper on property owned by the railroad company.
  (b)   The Commission shall regulate installation, maintenance, and compensation under this section.
  (c)   A railroad company may terminate connections that it provides under this section if the Commission determines that the required conditions are no longer satisfied.