Overloaded axles contribute significantly to the deterioration of road structures. Protection
against severe pavement deterioration is provided in most jurisdictions by limiting
permissible axle loads for commercial traffic. Within most provincial jurisdictions in Canada,
axle load limits have been set arbitrarily with little reference to economic viability. In practice,
axle load limits have been established from past experience based essentially on two
conditions:(a) the need to maintain a reasonable level of serviceability on the road network …