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In professional fleet operations, the trailer matters just as much as the cab. Height, weight, length and load classification can change drastically depending on the trailer attached — and this directly affects which roads are legal, safe, and accessible.
That’s why Lorry Route treats trailers as independent assets instead of simply "adding" dimensions to a truck. This gives fleet managers the flexibility and accuracy needed to plan fully compliant HGV routes.
Keeping trailers separate ensures the system uses the true combined profile of the cab + the specific trailer; not assumptions.
A tractor unit might be legal on a particular road alone, but once you attach a trailer loaded to GVW, that road may become legally restricted.
Examples:
- A low-height trailer can pass under a 4.0m bridge
- A double-deck cannot
- A short trailer can negotiate tight turns
- A long one may be prohibited
- ADR trailers are banned in certain tunnels entirely
If you store trailers separately, the routing engine can apply correct restrictions every time without manual adjustment.
Sign up now to start benefitting from Lorry Route’s powerful compliant routing and professional navigation features.
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