Tri Drives

Information regarding tri drive permit types including associated costs, operating conditions and application forms.

Prime Mover Trailer Combinations

The Tri Drive Prime Mover Trailer Combinations Period Permit allows a wide range of standard tri drive prime mover and trailer combinations to operate on pre-approved Tri Drive Networks.

Cost: $50.00 for a three year period

Truck Trailer Combinations

The Tri Drive Truck Trailer Combinations Period Permit allows a wide range of standard tri drive truck and trailer combinations to operate on pre-approved Tri Drive Networks.

Cost: $50.00 for a three year period

Acknowledgement of Country

The Government of Western Australia acknowledges the traditional custodians throughout Western Australia and their continuing connection to the land, waters and community. We pay our respects to all members of the Aboriginal communities and their cultures; and to Elders both past and present.

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