N.J. Stat. § 48:12-151
All actions accruing from injuries to persons caused by the wrongful act, neglect, or default of any railroad company owning or operating any railroad within this State, shall be commenced and sued within two years next after the cause of action accrued, and not after, except for injuries to minors and incapacitated persons occurring subsequent to the effective date of R.S. 48:12-151. Actions by an executor or administrator for injuries causing the death of the testator or intestate shall be commenced and sued within two years next after the death, and not after. All actions for injury done to any property by fire communicated by an engine of any railroad company of any railroad within this State shall be commenced and sued within two years after the cause of action accrued, and not after, except that action for injury occurring after the effective date of this act shall be commenced within six years after the cause of action accrued, and not thereafter.
N.J.S. § 48:12-151