Maryland Transportation Section 24-101
§ 24-101.
  (a)   The provisions of this subtitle governing size, weight, and load do not apply to:
    (1)   Emergency Vehicles;
    (2)   Farm equipment temporarily moved on a highway; or
    (3)   A vehicle driven under the terms of a special permit issued under this subtitle.
  (b)   A person may not drive on any publicly maintained highway any vehicle or combination of vehicles with a gross weight that exceeds:
    (1)   The maximum registered weight limit for which the vehicle or combination is registered under § 24-110 of this subtitle; or
    (2)   Any other weight limit established under the Maryland Vehicle Law.
  (c)   A person may not permit to be driven on any publicly maintained highway any vehicle or combination of vehicles with a gross weight that exceeds:
    (1)   The maximum registered weight limit for which the vehicle or combination is registered under § 24-110 of this subtitle; or
    (2)   Any other weight limit established under the Maryland Vehicle Law.
  (d)   A violation of the maximum weight provisions of this subtitle is not a moving violation for purposes of Title 16, Subtitle 4 of this article.