As used in this article, the following terms
shall have the meanings indicated:
CONSTRUCTION EQUIPMENT
All vehicular-type equipment, other than trucks, normally
used in various construction operations or building maintenance operations.
This term shall include but shall not be limited to bulldozers, backhoes,
tractors, front-end loaders, trailers designed to carry any construction
materials, tools or vehicles and mobile compressor units.
TRAILERS
All vehicles designed to be pulled behind a motor-driven
vehicle, and shall include but not be limited to boat trailers, boats
on trailers and all types of commercial freight trailers.
TRUCKS
All commercial or private vehicles ordinarily and commonly
referred to as "trucks," specifically including that type of vehicle
defined as a "tractor" or "truck tractor" in § 102 of the
Vehicle Code of the Commonwealth of Pennsylvania (75 Pa.C.S.A. § 102).
"Trucks" classified as panel trucks and pickup trucks, three-quarter-ton
or smaller, are excluded from this definition and are not covered
by the prohibitions of this article.