“Truck tractor” means the noncargo carrying power unit that operates in combination with a semitrailer or trailer, except that a truck tractor and semitrailer engaged in the transportation of automobiles or boats may transport motor vehicles or boats on part of the power unit.

Added by Acts 1977, c. 14, § 2, eff. July 1, 1977. Amended by Acts 1983, c. 537; Acts 1988, c. 720; Acts 2005, c. 261, § 1, eff. Oct. 1, 2005.

Formerly Art. 66 ½, § 1-206.