N.J. Stat. Ann. § 40:67-22.1

When any county acquires real property for use as a public park or other recreational facility in excess of 500 acres and a portion of such property has been (a) designated as a municipal public street, whether or not actually opened or improved, and (b) the municipality agrees to vacate the said public street or portion thereof, by ordinance adopted pursuant to chapter 67 of Title 40 of the Revised Statutes, such county may, by resolution of the governing body, or in the case of counties organized pursuant to the "Optional County Charter Law," P.L.1972, c. 154 (C. 40:41A-1 et seq.) by ordinance of the governing body, make payment to such municipality in return for vacating said street upon such terms as shall be agreed upon by the governing bodies of the county and municipality.