The commissioner with respect to highways under his jurisdiction may by regulation, and local and county authorities with respect to highways under their jurisdiction may by ordinance or resolution designate any such highway or any separate roadway of such highway for one-way traffic and shall erect appropriate signs giving notice thereon.
Upon a highway or roadway properly designated and signed for one-way traffic, a vehicle shall be driven only in the direction designated.
N.J.S. § 39:4-85.1