Md. Code, Criminal Law § 6–505

(a) In this section, “railroad” has the meaning stated in § 1–101 of the Public Utilities Article.

(b) A person may not willfully and maliciously strike a railroad vehicle on a railroad or on an electric railway in the State by:

(1) shooting or throwing an object at the railroad vehicle; or

(2) causing an object to fall on the railroad vehicle.

(c) A person who violates this section is guilty of a misdemeanor and on conviction is subject to imprisonment not exceeding 5 years or a fine not exceeding $1,000 or both.