New Jersey Statutes Title 27. Highways 27 § 5G-1

a. Every bridge or overpass carrying a municipal road or highway or under the jurisdiction of a municipality, with a clearance of less than 14 feet 6 inches from the roadway beneath shall have the maximum clearance marked or posted thereon in accordance with the current standards prescribed by the Manual on Uniform Traffic Control Devices for Streets and Highways.

b. Signs warning persons driving motor vehicles that they are approaching a bridge or overpass with less than 14 feet six inches clearance shall be posted at the last safe exit or detour preceding the bridge or overpass and the maximum clearance of the bridge or overpass shall be indicated on these signs.

c. The signs or markings required by this section shall be posted or marked, as appropriate, by, and shall be maintained by the governmental entity, be it the State or the political subdivision, which has jurisdiction over the roadway underneath the bridge or overpass. The provisions of this section shall not apply to the toll road authorities.