TG2 or TW16 Temporary Warning Works End Roll Up Road Signs, referred to as a W1-1.9 Sign in the TCD Rule, is a supplementary plate made of Flexi-lite retro-reflective roll up material, used to indicate the end of the work site. The TW-16 Works End Traffic Sign can be used on Level One New Zealand Roads for Temporary Traffic Management (TTM) and is in the Waka Kotahi Code of Practice (CoPTTM).