For the purpose of aiding a port authority and cooperating in the planning, undertaking, acquisition, construction or operation of any port facility, any municipality may (1) acquire real property in its name for such port 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 port facility, or partly for such purposes and partly for other municipal purposes, by purchase or condemnation in the manner provided by law for the acquisition of real property by such municipality, (2) 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 (3) do any and all things necessary or convenient to aid and cooperate in the planning, undertaking, construction or operation of any such port facility, and cause services to be furnished to the port authority of any character which such municipality is otherwise empowered to furnish, and to incur the entire expense thereof.