New Jersey Statutes Title 27. Highways 27 § 7-12

No consent, grant or franchise for the laying of any railroad or street railway crossings, gas pipes, water pipes, electric conduits or other piping, telegraph, telephone, electric light or power poles in or upon any road in the state highway system prior to its being taken over as a state highway, shall be given except under restrictions, regulations and conditions approved, and officially made known to the body with authority to issue such privilege, by the commissioner.

No issue of such consent, grant or franchise by a public body shall operate as a waiver of liability in favor of the person laying or erecting such works in or upon such highway or any portion thereof.