N.J. Stat. § 48:12-160: Unobstructed windows on passenger cars; penalty

No passenger car having fastened screens, bars or gratings across the windows shall be used in the transportation of passengers on any railroad.

Any person or company violating this section shall forfeit two hundred dollars for each offense, to be recovered by any inhabitant of this state who may sue for the same in any court having cognizance thereof. One-fourth of the fine shall go to the plaintiff and three-fourths to the state.