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General access vehicles (Austroads classes 3, 4, 5, 6, 7, 8 and 9) are all vehicles with up to 6 axles, as well as those with 3 axle groups (see what is an axle group?) and 7 or more axles. They may operate state-wide provided they are:
- not a road train or b-double;
- within regulation axle mass limits;
- 19 metres or less in length (or a maximum 12.5 metres for rigid vehicles);
- total mass less than 42.5 tonnes;
- width less than 2.5 metres (excluding mirrors and lights); and
- height less than 4.3 metres.
Pictures of typical general access vehicles

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Class 1 Restricted Access Vehicles (RAVs) are:
- special purpose vehicles (i.e. cranes);
- agricultural machines or implements;
- those designed to carry large indivisible items;
that are not:
- road trains or b-doubles;
which together with their loads exceed a regulation mass or dimension limit.
Common RAV class 1 vehicles include:
- Prime-movers with semi-trailer (including low-loaders) - with or without dolly - that are carrying an item and are oversize or over-mass;
- Platforms;
- Cranes;
- Tractors and road-going earthmoving equipment; and
- General access configuration vehicles that exceed a regulation dimension or mass limit or is heavier than 42.5 tonnes.
Pictures of typical class 1 restricted access vehicles

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- B-doubles (that meet VSRs)
- Road trains (including most of their variants that meet VSRs)
- Vehicle transporters not more than 4.6 metres in height
- Livestock carrying vehicles between 4.3 and 4.6 metres in height
In Austroads terms, Class 2 RAVs are some class 9 vehicles, and all class 10, 11 and 12 vehicles that meet VSRs.
Class 2 RAV categories
RAV - Class 2 Vehicle Categories brochure (PDF 627KB) illustrates the various Class 2 RAVs that are permitted on WA roads under the Class 2 and 3 RAV Period Permit operating conditions.
Pictures of typical class 2 RAVs


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Class 3 RAVs are all of those RAVs that are not Class 1 or Class 2 and include:
- Class 2 RAVs that are oversize or over-mass;
- Class 2 RAVs that are concessionally loaded; and
- Class 2 RAVs that do not meet VSRs in terms of axle spacing.
All vehicles with tandem-tandem and tandem-triple axle group spacings which meet the minimum axle spacing requirements of table B, but not table A are class 3 RAVs.
Class 3 RAV categories
RAV - Class 3 Vehicle Categories brochure (PDF 323KB) illustrates the various Class 3 RAVs that are permitted on WA roads under the Class 2 and 3 RAV Period Permit operating conditions.
Pictures of Class 3 RAVs

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