21A   Definitions

In this Part:

electronic device means a device, bearing a unique identifying number or alphanumeric identifier, issued by a toll operator for use in payment of a toll and affixed to a vehicle, or otherwise used, as approved by the toll operator.

toll collection point means the point designated by a toll operator (by signs or otherwise) as the point at which the liability to pay a toll is incurred for driving a motor vehicle on a tollway or a particular lane of the tollway.