Oversize Load Permit Requirements — Wyoming

Legal size/weight limits, escort thresholds, travel restrictions, and permit office contact for Wyoming.

⚠ REFERENCE ONLY — NOT A PERMIT. VERIFY WITH THE STATE BEFORE YOU TRAVEL.

These figures are a reference summary of publicly published state rules, not a substitute for a state-issued permit and not legal advice. Rules change — always confirm current limits and requirements directly with the state permit office before you plan or run a move. Last verified: 2026-06-28. Oversize Ops is NOT responsible and CANNOT be held liable for decisions made from this reference. Official source ↗

Legal Maximum Dimensions (no permit required)

Width: 8.5ft (102in)
Height: 14ft (168in)
Length: 53ft
Gross Weight: 80,000 lbs
Single Axle: 20,000 lbs
Tandem Axle: 36,000 lbs

Escort / Pilot Car Thresholds (see glossary for terms, certification requirements for the driver)

Front escort required over: 14ft wide
Rear escort required over: 14ft wide
Both escorts required over: 14ft wide
Height escort required over: 14.5ft tall

Front escort >12ft, both escorts >14ft. WyDOT certified escorts required.

Travel Restrictions

Night travel: Generally restricted
Weekend travel: Generally allowed
Sunday travel: Generally allowed

Daylight only for escorted oversize moves (30 min before sunrise to 30 min after sunset). Loads <=10ft wide may travel interstate at night with proper lighting. I-80 wind corridor notorious for closures — monitor WYDOT real-time.

Holiday blackouts: New Year's Day, Memorial Day, Independence Day, Labor Day, Thanksgiving, Christmas. Blackout from sunset eve of holiday to sunrise morning after. 3-day weekends = full 3 days.

Superload Thresholds

Width over: 17ft
Length over: 150ft
Weight over: 200,000 lbs

Estimated Permit Cost Verify before relying

$25 + $0.03 per ft-mile oversize; $0.06 per ton-mile overweight, $40 min

⚠ A 2021 fee-increase bill’s final status was not confirmed.

Source: Wyoming Highway Patrol / W.S. §31-18-804 — verify current fee with the permit office before budgeting a move.

Permit fee only — does not include escort/pilot-car service costs (market-rate, arranged separately) or third-party permit-service fees. This is an estimate for planning purposes, not a quote.

Get a Permit

Online portal: https://jweb.dot.state.wy.us/oversize_weight_application/
Phone: 1-307-777-4375

I-80 wind closures are common — operators must monitor WYDOT road closures. Height 14ft without permit on many routes.

Planning a move through Wyoming?

Plan a truck-legal route that checks bridges and construction, or find a vetted transporter or escort.

Try the Route Planner Find an Escort