Oversize or overmass vehicles
Apply for an oversize or overmass permit
The assessment criteria for oversize and overmass vehicles is outlined in the permit guidelines .
The guidelines also outline exemptions that might apply to specific types of vehicles and loads. This includes:
- B-double overall length exemption
- 6.5 tonne steer axle mass exemption
- aggregate spreader box width exemption
- mechanical tarping and safety harness system width exemption
- 4.6 metre high semi trailer exemption
- 14.6 metre (48 foot) semi trailer length exemption.
For 7.1 tonne heavy vehicle steer axle mass exemption, read the information bulletin v75 heavy vehicle steer axle mass .
To apply for a permit of exemption from the maximum standard dimension and mass limits, read below.
How to apply
To apply, follow these steps:
Step 1. Fill in the oversize or overmass permit application .
Step 2. Send a copy to the relevant authorities and get authorisations as outlined below.
Step 3. Submit your application and supporting documents by emailing email@example.com or mailing it to:
Chief Transport Inspector
Vehicle Inspection Facility
PO Box 2520
Darwin NT 0801
Seven days before the journey, you must seek approvals from Telstra and email a copy of your completed application to firstname.lastname@example.org.
You must also inform Power and Water Corporation (PWC) and email a copy of your completed application to your nearest PWC office:
Seven days before the journey, you must email a copy of your completed application to the NT Government department responsible for NT roads.
You can do this by emailing email@example.com.
At least 28 days before the journey, you must email a copy of your completed form to NT Police.
You can do this by emailing firstname.lastname@example.org.
At least seven days before the journey, you must email copy of your completed form to your local council.
You can use the contact details provided on your application.
You must seek the approval of a building certifier.
Last updated: 07 October 2020
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