N.J. Stat. Ann. § 40:37-140

When the governing body of any county or municipality shall request the park commission to dedicate real estate owned by, or under the care, custody and control of such park commission, to public use as a public street, road or highway, for the purpose of locating, opening, laying out, widening, straightening, changing the course of, or extending, any public street, road or highway, the park commission, by the passage of an appropriate resolution, may dedicate to public use as a public street, road or highway so much of the real estate owned by it or under its care, custody and control as it may determine to be for the public interest, upon such terms and conditions as it may define. The county or municipality, by the passage of an appropriate resolution, may accept such dedication for the purposes hereinbefore provided.