AS 4191:2015 PDF Download

AS 4191:2015 is a standard that provides guidelines and requirements for the design, construction, and performance of three-colour portable traffic signal systems. These systems are used to control vehicular traffic in temporary situations, such as roadworks or bridge works. The standard ensures that these portable traffic signal systems meet certain criteria to effectively manage traffic flow and enhance safety for road users.

The standard covers various aspects of the portable traffic signal systems, including their design, construction materials, and performance capabilities. It outlines the requirements for the three-colour signals, which typically consist of red, yellow, and green lights. The standard also addresses considerations such as visibility requirements, power supply, mounting and support structures, and control interfaces.