The commission may connect any road, park or public open space with any other park or public open space, and with any municipality in the county by a suitable roadway or boulevard, and for this purpose may exercise any of the rights and powers granted by sections 40:37-195 to 40:37-247 of this title in the manner herein prescribed.

It may acquire in its corporate name, for the benefit of the county, by purchase, gift, devise or eminent domain, any real estate or right or interest therein within the county, although the real estate so taken or any part thereof, be already a street or way, and it may construct and maintain along, across and upon and over the same, or any other real estate acquired by it under said sections 40:37-195 to 40:37-247, roadways, parkways or boulevards, but the concurrence of the body having authority over streets or roads shall be necessary to take or appropriate any portion of an existing street or road.