N.J. Stat. § 40:37A-76
For the purpose of aiding an authority and co-operating in the planning, undertaking, acquisition, construction or operation of any public facility, the county or any beneficiary county or any municipality in any such county may (a) acquire real property in its name for such public facility or for the widening of existing roads, streets, parkways, avenues or highways or for new roads, streets, parkways, avenues or highways to any such public facility, or partly for such purposes and partly for other county or municipal purposes, by purchase or condemnation in the manner provided by law for the acquisition of real property by such county or municipality, (b) furnish, dedicate, close, vacate, pave, install, grade, regrade, plan or replan parks, streets, roads, roadways, alleys, sidewalks or other places which it is otherwise empowered to undertake, and (c) do any and all things necessary or convenient to aid and co-operate in the planning, undertaking, construction or operation of any such public facility, and cause services to be furnished to the authority of any character which such county or municipality is otherwise empowered to furnish, and to incur the entire expense thereof.
N.J.S. § 40:37A-76