Height (m)

Operating conditions

Greater than 4.3 – up to and including 5

1. Written permission from the owner of an overhead obstruction that the vehicle travelling underneath cannot clear.

2. Written approval from the relevant access provider, if the vehicle travels over a level crossing that does not cross a State Highway and the vehicle exceeds the height shown on an electrified railway safe height sign.

3. For loads exceeding 4.8 m, a vehicle with a deck height less than 1.3 m above the road must be used.

Greater than 5 – up to and including 6.5

1. Need to meet all of the above operating conditions

2. Need a permit from the Overdimension Permit Issuing Agency (OPIA).

3. A vehicle with a deck height less than 1.3 m above the road must be used.

4. Need written permission from the owner of the overhead wires or cables that the vehicle travels under.

Greater than 6.5

1. Need to meet all of the above operating conditions

2. Need written approval from Waka Kotahi (NZ Transport Agency). Apply online to the Overdimension Permit Issuing Agency (OPIA) for an overdimension permit.