W16-6.1 / WU51 School Bus Route supplementary sign is used with W16-6 SCHOOL BUS Diamond Sign to warn drivers that they are on a road commonly used by school buses. The Old Motsam code is PW-34.1. School Bus Sign and Supplementary are used on rural road only.
All WU Warning - Non Motorised signs should be made with VFL Fluorescent Lime/ Yellow reflective.
Please refer to NZTA Traffic Control Devices (TCD) Part 5 - Bus Stops, and School Bus Routes and Signs for more information.