Heavy vehicle access and routes

Maintaining heavy vehicle access through work sites

Provide detours on infrastructure projects that affect heavy vehicle routes. 


Infrastructure project teams must consider large and heavy vehicles when planning roadworks.

You must provide detours if your project affects access for any heavy vehicle that is operating:

View planned and unplanned disruptions as a layer on the national network map.

Detours can be:

  • existing heavy vehicle network routes
  • arterial roads outside the existing network (if we agree to this)
  • local roads outside the existing network (if the relevant local council or other road manager agrees).

Download the information sheet on access during roadworks.

Planning resources

Use this flowchart to help you manage heavy vehicle access.

Use our checklists to determine whether:

ChecklistDetails
Heavy vehicle network restrictions

Helps you work out:

  • which vehicles may be affected by your works
  • how your works affect heavy vehicles.
Heavy vehicle network detoursHelps you work out suitable detour routes off the heavy vehicle network.

Contact us

Contact these teams for more information.

OrganisationEmail address
Freight Victoria Land Freight System Team (Policy and Strategy), Department of Planning and Transport[email protected]
National Heavy Vehicle Regulator[email protected]
Heavy Vehicle Consent Team, Department of Planning and Transport[email protected]