T213 or TW02.3 Temporary Warning Line Crew Road Signs, referred to as a W2-1.3 Sign in the TCD Rule, is a supplementary plate, used when people or machines are working on overhead lines or poles within 5 m of the edge of the road. The TW-2.3 Line Crew Traffic Sign is used underneath a T2 TW-2 Other Hazard Sign and available for Level One or Level 2/3 New Zealand Roads for Temporary Traffic Management (TTM) and is in the Waka Kotahi Code of Practice (CoPTTM).