N.J. Admin. Code § 16:25-1.1
This chapter provides the standards and procedures for the location, design, and methods of installing, maintaining, and relocating utilities within State highway right-of-way. This chapter is intended to preserve the integrity and visual quality of the highway; its maintenance and efficiency; to ensure the present and future safety of highway traffic; to promote cooperation among multiple users of the Department's right-of-way; and to ensure that for all utility installations, regardless of the method used, proper controls, compliance with specifications and use of trained personnel shall be used to achieve safe and dependable utility installations. Requirements of this chapter will not be applied retroactively to existing utility facilities until they are adjusted, replaced, or relocated.
N.J. Admin. Code § 16:25-1.1