TG1 Temporary Roll Up Road Signs, referred to as a R1-8 Sign in the TCD Rule, are used below a RG-1 or RS-1 Regulatory General Speed Limit Road Sign at the beginning of a restricted speed zone in a work zone or during road works. The RG-4 Temporary Traffic Sign is made of Flexi-lite roll up material and can be used on Level One New Zealand Roads for Temporary Traffic Management (TTM) and is in the Waka Kotahi Code of Practice (CoPTTM).