N.Y.C. Admin. Code § 15-206: § 15-206 Fire hose.

It shall be unlawful for the operator of any vehicle to drive over or across any hose in use, or about to be used, or while lying in the street after being used by the department. The provisions of this section shall not apply to drivers of wagons carrying the United States mail, nor to drivers of ambulances when conveying any patient or injured person to any hospital, or when proceeding to the scene of any accident by which any person or persons have been injured, nor to the operator of any vehicle directed or permitted to drive over or across any such hose by the officer of the department in command of the force operating at a fire or other emergency.