What is a General Access Vehicle?
General Access Vehicles (GAV) comply with mass and dimension requirements and do not require a notice or permit to operate on the road network. These vehicles have general access to the road network unless the road is sign-posted otherwise.
General Access Vehicle dimensions
- Rigid truck - L: 12.5m, W: 2.5m, H:4.3m, M: 31t
- Prime mover and trailer – L: 19m, W: 2.5m, H:4.3m, M: 42.5t
- Rigid truck and trailer - L: 19m, W: 2.5m, H:4.3m, M: 42.5t
- B-double (prime mover, trailer and trailer) - L: 19m, W: 2.5m, H:4.3m, M: 42.5t
General Access Vehicle chart
- Click the arrows below to expand each section and view more information about the 3 categories of General Access Vehicles.
- Download and print a full copy of the Common Heavy Freight Vehicle Configurations chart for quick reference. The first 3 sections of the chart are General Access Vehicles as outlined below.
1. Common Rigid Trucks - General Access
The following 2, 3 and 4 axle rigid trucks and 4 and 5 axle Twinsteer Rigid Trucks are General Access Vehicles when complying with the mass and dimension limits below.
| Maximum Length (metres) | Maximum Regulatory Mass under GML (tonnes) | Maximum Regulatory Mass under CML (tonnes) | ||
a. 2 Axle Rigid Truck |
 |
≤ 12.5 | 15.0 | CML does not apply |
b. 3 Axle Rigid Truck |
 |
≤ 12.5 | 22.5 | 23.0 |
c. 4 Axle Rigid Truck |
 |
≤ 12.5 | 26.0 | 27.0 |
d. 4 Axle Twinsteer Rigid Truck |
 |
≤ 12.5 | 26.5 | 27.0 |
e. 5 Axle Twinsteer Rigid Truck |
 |
≤ 12.5 | 30.0 | 31.0 |
2. Common Semi-trailer Combinations - General Access
The following 3, 4, 5 and 6 axle semi-trailer combinations are General Access Vehicles when complying with the mass and dimension limits below.
| Maximum Length (metres) | Maximum Regulatory Mass under GML (tonnes) | Maximum Regulatory Mass under CML (tonnes) | Maximum Regulatory Mass under HML (tonnes) | ||
a. 3 Axle Semitrailer |
 |
<19.0 | 24.0 | - | - |
b. 4 Axle Semitrailer |
 |
<19.0 | 31.5 | 32.0 | 32.0 |
c. 5 Axle Semitrailer |
 |
<19.0 | 35.0 | 36.0 | 37.5 |
d. 5 Axle Semitrailer |
 |
<19.0 | 39.0 | 40.0 | 40.0 |
e. 6 Axle Semitrailer |
 |
<19.0 | 42.5 | 43.5 | 45.5 |
3. Common Rigid Truck and Trailer Combinations - General Access
The following 2, 3 and 4 axle truck combinations with dog or pig trailers are General Access Vehicles when complying with prescribed mass and dimension requirements.
| Maximum Length (metres) | Maximum Regulatory Mass under GML (tonnes) | Maximum Regulatory Mass under CML (tonnes) | ||
a. 2 Axle Truck and 2 Axle Dog Trailer |
 |
<19.0 | 30.0 | - |
b. 2 Axle Truck and 2 Axle Pig Trailer |
 |
<19.0 | 30.0 | CML does not apply |
c. 3 Axle Truck and 2 Axle Dog Trailer |
 |
<19.0 | 40.5 | 41.0 |
d. 3 Axle Truck and 2 Axle Pig Trailer |
 |
<19.0 | 37.5 | CML does not apply |
e. 3 Axle Truck and 3 Axle Dog Trailer |
 |
<19.0 | 42.5 | 43.5 |
f. 3 Axle Truck and 3 Axle Pig Trailer |
 |
<19.0 | 40.5 | CML does not apply |
g. 3 Axle Truck and 4 Axle Dog Trailer |
 |
<19.0 | 42.5 | 43.5 |
h. 4 Axle Truck and 3 Axle Dog Trailer |
 |
<19.0 | 42.5 | 43.5 |
i. 4 Axle Truck and 4 Axle Dog Trailer |
 |
<19.0 | 42.5 | 43.5 |
Other vehicle types - Restricted Access Vehicles
If your vehicle is not a General Access Vehicle as outlined on this page, the network you are travelling on may be covered under a notice or require you to apply for a permit. Restricted Access Vehicles include any vehicle which does not fit within the mass and dimension limits outlined on this General Access Vehicle page.
- Browse the classes of heavy vehicles page for more information about Restricted Access Vehicles.
- Contact us if you need assistance defining your vehicle type