(a) (1) Except as provided in paragraph (2) of this subsection, for purposes of this section, the width of a vehicle includes any load that it carries and shall be exclusive of safety and energy conservation devices, such as side mirrors, turn signal lamps, marker lamps, steps and handholds for entry and egress, flexible fender extensions, mudflaps and spray suppressant devices, and load-induced tire bulges; providing the equipment or device, other than mirrors, does not extend more than 3 inches on each side of the vehicle beyond the statutory width limitation.
(2) For purposes of this section, the width of a motor home or travel trailer shall be exclusive of retractable awnings installed by the vehicle manufacturer or dealer, provided that the awnings do not extend more than 6 inches from each side of the vehicle.
(b) This section does not apply to any:
(1) Farm equipment;
(2) Vehicle transporting farm equipment; or
(3) Vehicle carrying a load of forage crops in connection with harvesting operations, if the distance traveled with the load on the highways in this State is less than 5 miles.
(c) (1) Except as provided in paragraph (2) of this subsection, a vehicle may not be driven on any highway if the width of the vehicle exceeds 102 inches unless:
(i) It has a permit issued by the State Highway Administration under § 24–112 of this subtitle; or
(ii) As to a highway under the jurisdiction of a local authority, it has special permission from the local authority.
(2) (i) Notwithstanding paragraph (1) of this subsection, the State Highway Administration or a local authority may prohibit the use of a highway or part of a highway under its jurisdiction by a vehicle exceeding a certain width if it finds that a vehicle exceeding a certain width likely would:
1. Endanger road users;
2. Cause excessive deterioration to the highway; or
3. Harm property adjacent to the highway.
(ii) If the State Highway Administration or a local authority imposes a vehicle width restriction under subparagraph (i) of this paragraph, it shall place and maintain a sign providing notice of the restriction before the affected location.
Structure Maryland Statutes
Title 24 - Vehicle Laws -- Size, Weight, and Load; Highway Preservation
Subtitle 1 - Size, Weight, and Load
Section 24-101 - Scope and Effect of Subtitle
Section 24-102 - Width of Vehicles
Section 24-103 - Projecting Loads on Passenger Vehicles
Section 24-104 - Height of Vehicles and Loads
Section 24-104.1 - Length of Vehicles and Loads
Section 24-104.2 - Length of Semitrailer Operated in Combination With Truck Tractors
Section 24-105 - Load Extensions
Section 24-106 - Securing Loads on Vehicles -- in General
Section 24-106.1 - Securing Loads on Vehicles -- Loose Material
Section 24-106.3 - Securing Loads on Vehicles -- Persons Liable for Violations
Section 24-107 - Trailers and Towed Vehicles
Section 24-108 - Load Limits of Axles
Section 24-109 - Gross Weight of Vehicles
Section 24-110 - Registration of Vehicles According to Permissible Gross Weight
Section 24-111 - Weighing and Measuring Vehicles
Section 24-111.1 - Removal of Excess Weight
Section 24-111.2 - Weighing and Measuring Stations
Section 24-111.3 - Vehicle Height Monitoring System
Section 24-112 - Permits for Excess Size and Weight
Section 24-112.1 - Reciprocal Agreements
Section 24-113 - Rules and Regulations for Movement of Oversize and Overweight Vehicles
Section 24-113.1 - Weight Limitations for Vehicles Carrying International Freight
Section 24-113.2 - Exceptional Hauling Permit for Farm Products
Section 24-113.3 - Indivisible Load
Section 24-114 - Jurisdiction and Appeals in Offenses Involving Vehicle Weights