New York Vehicle & Traffic Law Section 114-C - Escort vehicle.

 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.

Last modified: February 3, 2019