T134 or TW01.4 Temporary Warning Road Marking Road Signs, referred to as a W1-1.5 Sign in the TCD Rule, is a supplementary plate, used to indicate a Specialist Mobile Plant activity in operation. The TW-1.4 Road Marking Traffic Sign is used underneath a T1 TW-1 Road Works 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).