N.J. Stat. § 39:4-120: Traffic control signal devices.

The commissioner may determine the character, type, location, placing and operation of all traffic control signal devices on the highways of this State. The commissioner may adopt a manual and specifications for a uniform system of traffic control signals consistent with the provisions of this act for use upon public highways within the State. Such uniform system shall correlate with and so far as possible conform to the system then current as specified in the "Manual on Uniform Traffic Control Devices for Streets and Highways."

Amended 1951, c.23, s.61; 2003, c.13, s.51.