N.J. Stat. Ann. § 21:2-4

Nothing in this chapter shall be construed as applying to the transportation of any article or thing shipped in conformity with the regulations prescribed by the Interstate Commerce Commission, to the military or naval forces of the United States, to the duly authorized militia of the State, to the use and manufacture of signals and fusees necessary for the safe operation of railroads, steamboats or aircraft, or to the use of fireworks for agricultural purposes in connection with the raising of crops.