Which Way To Go

Transport law, news & explainers

Independent Australian transport journalism and plain-English reference guides built from primary sources.

Tier 4

  • Which heavy vehicles can operate at 20 metres?

    From 1 August 2026, eligible prime-mover/semitrailer and rigid-truck/trailer combinations can operate at up to 20.0 metres under general access only when every prescribed braking, trailer, dimension, mass and route condition is satisfied.