Md. Code, Transp. § 21-1102

Current with changes from the 2024 Legislative Session, chs. 2-121
Section 21-1102 - Limitations on backing
(a) The driver of a vehicle may not back it unless the movement can be made safely and without interfering with other traffic.
(b) The driver of a vehicle may not back it on any shoulder or roadway of any controlled access highway.

Md. Code, TR § 21-1102