No vehicle shall enter upon either the George Washington Bridge Upper Level, the Bayonne Bridge, the Goethals Bridge or the Outerbridge Crossing if its load includes: any Class A or B explosives (other than special fireworks, including railway or track torpedoes, not in excess of 10 pounds gross weight per vehicle) as defined by D.O.T. regulations, or any radioactive materials including, but not limited to Radionuclides, nuclear fissionable material, reactor fuel rods, irradiated fuel rods, and radioactive ores, residues, and wastes, except under the following conditions:
10:00 a.m.--3:00 p.m.
7:00 p.m.--6:00 a.m.
Provided, however, common contract and private carriers, transporting radionuclides used for medical, industrial, agricultural, or research purposes; natural uranium metal, depleted uranium, magnesium-thorium alloys in formed shapes (not powdered, and which shall contain not more than four percent nominal thorium 232); radium or radon sealed in needles, capsules, or similar platinum-iridium or gold containers used for medical purposes; manufactured articles other than liquids, containing radioactive material as component parts, namely, clock and instrument dials, electronic tubes, test instruments, X-ray machines; packaged, marked, labeled and limited as required by the D.O.T. regulations in a properly placarded vehicle, may use the facility without prior notice or time restriction, or the payment of additional toll.
N.Y. Comp. Codes R. & Regs. Tit. 21 § 1210.3