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Put the information together
- Measure the loaded overall width, height and length, including projections and the equipment carrying the freight.
- Record gross vehicle weight separately from cargo weight, then obtain axle weights and spacing.
- Check the rules for the actual configuration and roads. Do not use one state's general figure as a nationwide answer.
What to confirm
Length rules commonly depend on the vehicle combination and road network. A general threshold is a screening fact, not a declaration that the entire route is clear.
Keep one current shipment record
- Record the final measurements and the person confirming them.
- Keep the proposed route and intended movement date with the load details.
- Recheck the plan when a material shipment detail changes.
Start with the applicable state guide
Use the Oversize Load Planner and State Permit Guide to organize the corridor and see which published facts have been reviewed. Each field identifies its official source. Unresolved requirements and costs remain visible for follow-up.
Official reference
WisDOT: Determine if a permit is required supports the jurisdiction-specific examples behind this guide. Other states can use different requirements. Final permits, routes and movement conditions are determined by the applicable issuing authorities.