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94 were inadequate from the viewpoint of bridge protection by reason of their failure to take account of the length of the vehicle. And for governance of the size and weight of vehicles and vehicle combinations of more than three axles the wartime agreements provided no guide whatever.

RECOMMENDATIONS OF THE AMERICAN ASSOCIATION OF STATE HIGHWAY OFFICIALS

For many years prior to the war, the American Association of State Highway Officials had attempted to find a satisfactory basis for uniform regulation of the size and weight of vehicles. The association had at intervals offered recommendations concerning limits suitable for adoption, the successive recommendations differing mainly in consistency with the change of vehicle tire equipment from the early solid rubber to the later pneumatic type.

Policy on limitations

After the war the association renewed its consideration of the matter and by majority vote of its State highway department membership adopted as a policy, published April 1, 1946, the following recommended limits: