67 Pa. Code § 41.2
The following words and terms, when used in this chapter, have the following meanings, unless the context clearly indicates otherwise:
Fixed route-A designated route which is traversed in designated regularly scheduled time periods, for the purpose of transporting persons from one place to another. The term does not include routes that are scheduled for informational, educational or general tours and sightseeing trips.
Hospital-An organization having an established location with inpatient facilities, whose primary function is the treatment and care of injured, infirm or handicapped persons.
Humane society-A nonprofit organization whose primary function is to prevent cruelty to animals, to provide food or shelter to mistreated or homeless animals or to provide, without compensation, food or shelter to human beings.
Multipurpose vehicle-A motor vehicle designed to carry no more than six passengers, including the driver, which is constructed either on a truck chassis or with special features for occasional off-road operation.
Nonprofit youth center-A nonprofit organization whose primary function is to promote the welfare of youth at an established location.
Ridesharing arrangement-The term includes one or more of the following forms of transportation:
Urban mass transportation system-A person holding a certificate of the Pennsylvania Public Utility Commission or a municipality authority, port authority or transportation authority established under the laws of the Commonwealth that transports persons on schedule over fixed routes and derives over 80% of its intrastate scheduled revenue from scheduled operations within the county in which it has its principal place of business, or contiguous counties.
67 Pa. Code § 41.2