T214 or TW02.4 Temporary Warning Blasting Road Signs, referred to as a W2-1.4 Sign in the TCD Rule, is a supplementary plate, used to indicate blasting operations in hand on or near the road and where there is a danger to road users from flying debris. The TW-2.4 Blasting 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).