Vehicle classes
Class A
Can be referred to as Class 2 or CAR
Motor vehicles that are:
- 12.5m or less in length, and
- 2.8m or less in height 1 Vehcile class exception details
Class B
Can be referred to as Class 4 or HCV
Any motor vehicle that exceeds class A dimensions:
- greater than 12.5m in length, or
- greater than 2.8m in height 1 Vehicle class exception details
1. On the Eastern Distributor and M5 South-West Motorway, Class A has a height limit of 2.0m for three or more axle motor vehicles. Back to vehicle classes
Sydney Harbour Bridge and Tunnel
The Sydney Harbour Bridge and Tunnel have a single class for tolling.
Interstate travel
The way your trips are classified may differ from state to state and depending on what road you’re travelling on. Find out more about vehicle classifications in Melbourne and Brisbane.