Md. Code, Public Utilities § 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.