NZS 5431:1973 PDF Download

The NZS 5431:1973 standard aims to ensure the consistent application of criteria needed to assess the requirement for traffic signals across New Zealand. The standard provides guidelines for the layout, equipment, operation, and maintenance of traffic signal systems. It covers various types of installations, including those used for controlling intersections and pedestrian crossing places, managing one-lane sections of roadways, directing lane usage, and implementing compulsory traffic interruptions at non-intersection locations.

This standard serves as a reference for authorities, traffic engineers, and other stakeholders involved in the design and implementation of traffic signal systems. It provides a framework for ensuring that traffic signals are installed and operated in a consistent and efficient manner throughout the country. Adhering to this standard helps ensure the safe and effective control of traffic flow, improving road safety and efficiency for both drivers and pedestrians.