This Standard specifies requirements for the form, dimensions, material and finish of tubular steel posts and mast arms, and attachments used for the support of traffic signal lanterns, pedestrian push-button assemblies and ancillary equipment. This Standard also includes requirements for the joint-use of posts and mast arms with road lighting attachments.NOTE: Appendix A lists the information which should be supplied with an enquiry or order for traffic signal posts and attachments in accordance with this Standard.Protection devices such as crash cushions are outside the scope of this Standards as they are add-on features and not part of the design of traffic signal posts. For information on the use of these devices refer to AS/NZS 3845.1.