Requires DOT to develop program to implement adaptive traffic signal technology at certain intersections.

New Jersey's A3901 requires the Department of Transportation (DOT) to create a program installing adaptive traffic signal technology - smart signals that adjust in real-time - at state-maintained intersections meeting specific traffic volume and speed thresholds. The DOT must develop these thresholds based on through-traffic volume and speed, determining which intersections qualify for the technology. Once an intersection meets the threshold, the smart signals must be installed during routine maintenance, repairs, or replacements of existing traffic signals. The goal is to reduce unnecessary stops, delays, and vehicle emissions while considering pedestrian safety and financial feasibility.