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<p>A comprehensive review of the effect on road wear of the heaviest goods vehicles
permitted to run in normal operations was last done as part of the process before
the regulations about maximum permissible Heavy Goods Vehicle (HGV) weights were last
revised in 2000. The Road Vehicles (Authorised Weight) (Amendment) Regulations 2000
permitted the use of 44 tonne vehicles for general use. These vehicles have been permitted
in Great Britain since 1 February 2001.</p><p> </p><p>Estimates of the road wear attributable
to HGVs have been updated periodically, but not comprehensively, most recently in
2014 when road to rail and water mode shift grants were reviewed. A significant piece
of research about the potential effects of longer and heavier lorries was published
by the Department for Transport in 2008.</p><p> </p>
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