N.Y. VAT. LAW § 114-c : NY Code - Section 114-C: Escort vehicle

Search N.Y. VAT. LAW § 114-c : NY Code - Section 114-C: Escort vehicle

A motor vehicle which operates under its own
  power and which precedes or follows a vehicle or combination of vehicles
  that has been issued a special  hauling  permit  by  the  department  of
  transportation,  a  municipality or public authority pursuant to section
  three hundred eighty-five of this chapter.