1Introduction#

This Technical Specification defines the design, supply, installation, testing and commissioning, performance, documentation, training, maintenance, and handover requirements for Temporary Variable Speed Limit (TVSL) signs. This Technical Specification shall be read in conjunction with MRTS206 Provision for Variable Speed Limit and Lane Control Signs, MRTS01 Introduction to Technical Specifications, MRTS50 Specific Quality System Requirements, Guideline – Traffic Management at Works on Roads and other Technical Specifications as appropriate.

TVSL signs complying with this Technical Specification shall only be used in accordance with the operational requirements of the Guideline – Traffic Management at Works on Roads. This includes the requirement that all changes to the displayed speed on the TVSL Sign are logged as being observed in person or through the use of dedicated camera image. All TVSL sign deployments shall also be protected by concrete barriers or other suitable protection barrier as approved by Traffic Guidance Scheme (TGS).

This Technical Specification forms part of the Transport and Main Roads Specifications Manual.