T140 or TW01.8 Temporary Warning Bridge Repairs Road Signs, referred to as a W1-1.13 Sign in the TCD Rule, is a supplementary plate, used to indicate maintenance work is being undertaken on a bridge. The TW-1.8 Bridge Repairs 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).