Definitions.

As used in the Motor Vehicle Code: A. "hazardous material" means a substance or material in a quantity and form that may pose an unreasonable risk to health, safety or property when transported in commerce; B. "highway" or "street" means every way or place generally open to the use of the public as a matter of right for the purpose of vehicular travel, even though it may be temporarily closed or restricted for the purpose of construction, maintenance, repair or reconstruction; C. "historic or special interest vehicle" means a vehicle of any age that, because of its significance, is being collected, preserved, restored or maintained by a collector as a leisure pursuit; D. "horseless carriage" means a motor vehicle at least thirty-five years old that is owned as a collector's item and used solely for exhibition and educational purposes; and E. "house trailer" means a manufactured home.