Reference
Traffic sign library
Revisit warning, regulatory, and directional signs that commonly appear in theory prep.
Commercial Vehicles are required to display the LONG VEHICLE sign at the rear of the vehicles if they are longer than
9% complete
Why the correct answer works:
What this question teaches
Long commercial vehicles must display the required rear warning sign once they exceed the prescribed length. The marking helps other road users judge the vehicle’s size and manoeuvring needs.
Road Knowledge
Theory test guide
Review test order, PDL timing, and study structure before your next practice run.
Penalties
Demerit points (DIPS)
Pair rule knowledge with the thresholds and offence types that matter to real drivers.