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Oversize & Overweight Permit Guides by State

Each state guide goes deep: legal size and weight limits and where a pilot car or escort first kicks in, axle weight limits by road class, superload thresholds, single-trip, overweight, and annual permit fees, travel and holiday restrictions, special-commodity exemptions, the route survey and police escort process, and the official DOT permit office with phone and portal. To price a full multi-state trip, run it through the OSOWloads calculator.