N.J. Stat. § 40:63-102
All such work carried on in such other municipality shall be done upon such terms as may be agreed upon by such jointly contracting municipalities and such other municipality through the streets of which it is proposed to construct such improvement or works, and all such municipalities may authorize and enter into any such contract.
If no agreement can be reached as to such terms the Superior Court shall, upon application by either party or parties, and after notice of the time and place of making such application, published at least ten days previous thereto, in a newspaper circulating in all municipalities affected, appoint three disinterested commissioners to fix the terms upon which such jointly contracting municipalities may use and occupy the streets of such other municipality, and the report of such commissioners when confirmed by the court shall be binding upon all of the parties to such proceedings.
N.J.S. § 40:63-102