N.J. Stat. Ann. § 48:12-55

The Board of Public Utility Commissioners, upon its own initiative or upon the application of any municipality or citizen dissatisfied with the protection provided or the failure to provide any or sufficient protection at any crossing within such municipality or used by such citizen may by order compel proper compliance with section 48:12-54 of this Title. Such application shall be considered and acted upon in accordance with the board's rules of practice.