How fast can an oversize permit be issued?
Standard oversize permits typically issue within 1-3 business hours during state DOT business hours. Superload permits requiring engineering review take 5-15 business days. Per-trip overweight permits without dimensional issues issue in similar 1-3 hour windows. After-hours and weekend filings queue and clear next business morning.
State DOT permitting offices generally operate business hours (8 AM to 5 PM local) Monday through Friday. Filings during those hours typically have permits issued within 1-3 hours, sometimes faster for routine oversize moves. The state DOT runs a route study, computes the fee, and issues the permit electronically.
After-hours filings (evenings, weekends, holidays) queue for the next business day. Most states do not have weekend permit issuance for routine oversize moves; emergency and disaster-response permits may be available 24/7 in select states.
Superload permits requiring engineering review take much longer. The state DOT engineering team studies the route, may require third-party bridge analyses, and coordinates with local jurisdictions. Lead time is typically 5-15 business days; carriers planning superloads should file the application 2-3 weeks ahead of the move date.
Some states offer expedited permit processing for an additional fee — typically $50-$200 above the standard fee — that bumps the application to the front of the queue. Expedite is most useful for urgent commercial moves that missed the standard filing window.