N.J. Admin. Code § 16:65-9.4
When an interruption of service on a route is likely to continue for more than four hours, the utility shall report to the Department by contacting the New Jersey Department of Transportation Statewide Traffic Management Center at 732-697-7372 (24-hours a day, seven days a week). The report shall state the cause and probable duration of the interruption. The public along the route shall be promptly notified of the interruption by such means as are feasible and practicable including announcements and notices at terminals and ticket offices, if applicable, and notification to news disseminating agencies and to municipalities affected by the interruption. Telephone reports shall be promptly confirmed by a written report.
N.J. Admin. Code § 16:65-9.4