Axle Distribution for Permit Axle Groups
Tandem axles on vehicles with permits are properly distributed if neither of the individual axles carries more than 60% or less than 40% of the total tandem weight shown on the permit.
Tridum axles on vehicles with permits are properly distributed if none of the individual axles carries more than 40% or less than 25% of the total tridum weight shown on the permit.
Quadrum axles on vehicles with permits are properly distributed if none of the individual axles carries more than 30% or less than 20% of the total quadrum weight shown on the permit.
See CVEU Handbook for Restrictions