This document describes the requirements for mobile work convoys in Austroads Guide to Temporary Traffic Management (AGTTM) Part 4 – Mobile Works.
This update from the Department of State Growth addresses queries about advance warning vehicles in mobile works convoys. It states that mobile work on high speed roads requires a four-vehicle convoy and that the advance warning vehicle may be omitted only on low speed roads under 60 km/h.
| Convoy vehicles on high speed roads | 4 |
|---|---|
| Low speed road threshold | less than 60 km/h |
Four vehicles: an advance warning vehicle, a shadow vehicle, a work vehicle, and a lead vehicle.
It may only be omitted on low speed roads of less than 60 km/h.
From the Austroads website.