T131 or TW01.1 Temporary Warning Next XX KM Road Signs, referred to as a W1-1.1 Sign in the TCD Rule, is a supplementary plate, used when the extent of the road works extends for more than 1 km. The TW-1.1 Next KM Traffic Sign is used underneath a T1A TW-1 Road Works Sign and available for Level One and Level 2/3 New Zealand Roads for Temporary Traffic Management (TTM) and is in the Waka Kotahi Code of Practice (CoPTTM). Variations: 2 km 3 km 4 km