Md. Code Ann., Transp. § 21-105
Unless specifically made applicable, the provisions of this title, except for those in Subtitle 9 of this title, do not apply to persons, motor vehicles, and equipment while engaged in construction or maintenance work on a highway. However, the provisions of this title do apply to these persons, vehicles, and equipment when traveling to or from this work.
Added by Acts 1977, c. 14, § 2, eff. July 1, 1977.
Formerly Art. 66 ½, § 11-105.