The New Jersey traffic statute proscribing going the wrong way on a one-way street provides as follows:
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.
This is a 2 point offense in the State of New Jersey. If you have received a ticket for going the wrong way on a one-way street, it may be in your interests to contact a lawyer versed in the NJ traffic laws to better understand your rights. You may be able reduce or limit the points assessed and prevent an increase in your auto insurance premiums.