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What are Class 1, Class 2 and Class 3 heavy vehicles?
The HVNL access classes describe why a heavy vehicle needs restricted access: Class 1 covers specified special-purpose, agricultural and large-indivisible-load vehicles, Class 2 covers prescribed configurations, and Class 3 captures other mass or dimension exceptions.
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What is an oversize overmass vehicle?
An oversize or overmass movement exceeds an applicable dimension or mass requirement and needs a lawful exemption, route and conditions before the vehicle can travel on a road.
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Do I need a heavy-vehicle access permit?
You generally need an access permit only when a restricted-access heavy vehicle is not already authorised for the exact vehicle, route and conditions by a current notice or another lawful access instrument.
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What is the difference between a notice, permit and pre-approval?
A notice authorises an eligible class of vehicles on stated networks, a permit authorises a specific application, and a road-manager pre-approval only streamlines later permit decisions—it is not authority for an operator to travel.
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What is general access for a heavy vehicle?
A general-access heavy vehicle may use the road network available to general-access vehicles without an individual access permit or notice, provided the vehicle and combination comply with all prescribed mass and dimension…