Maryland Code, Transportation § 21-1111

(a) A person may not drop, throw, or place on a highway any glass bottle, glass, nails, tacks, wire, cans, or any other substance likely to injure any person, animal, or vehicle on the highway.

(b) Any person who drops, throws, or places or permits to be dropped, thrown, or placed on a highway any destructive, hazardous, or injurious material immediately shall remove it or cause it to be removed.

(c) Any person removing a wrecked or damaged vehicle from a highway also shall remove from the highway any glass or other injurious substance dropped from the vehicle.

(d) A person may not throw, dump, discharge, or deposit any trash, junk, or other refuse on any highway or public bridge or in any public waters.

(e) The owner of the vehicle, if present in the vehicle, or, in his absence, the driver of the vehicle is presumed to be responsible for any violation of this section, if:

(f) A violation of this section is considered a moving violation for purposes of § 16-402 of this article.