The cookies setting on this website are set to allow all cookies to give you the best experience. If you continue without changing these setting you consent to this – or change this in setting at anytime or leave this website. Cookie policy.
Explore the role specifications, standard drawings and approved products play in traffic signal manufacturing, sales, design, construction, maintenance and operations. Understand common issues that produce confusion, error and time lost, and suppress the effectiveness and efficiency of the traffic signal industry. Identify improvements to the approach and practices in developing specifications, standard drawings and related approved products lists.