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Oversize Load Permit Requirements — Maryland
Legal size/weight limits, escort thresholds, travel restrictions, and permit office contact for Maryland.
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
- 13.5ft (162in)
- Length
- 53ft
- Gross Weight
- 80,000 lbs
- Single Axle
- 20,000 lbs
- Tandem Axle
- 34,000 lbs
Escort / Pilot Car Thresholds (see glossary for terms, certification requirements for the driver)
- Front escort required over
- 12ft wide
- Rear escort required over
- 12ft wide
- Both escorts required over
- 14ft wide
- Height escort required over
- 14ft tall
Front escort >12ft, both escorts >14ft. Maryland State Police may be required for large loads near DC beltway.
Travel Restrictions
- Night travel
- Generally restricted
- Weekend travel
- Generally allowed
- Sunday travel
- Generally restricted
Night travel restricted. Sunday travel restricted. Baltimore and DC beltway corridors have time-of-day restrictions.
Holiday blackouts: Major US holidays.
Superload Thresholds
- Width over
- 15ft
- Length over
- 130ft
- Weight over
- 200,000 lbs
Estimated Permit Cost Verify before relying
$30 for first 40 tons + $5 per ton over 40 tons
Source: COMAR 11.04.01.08 — 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://mdot.maryland.gov/MDOT_Media/BlogImages/Oversize-Overweight-Permit-FAQ.pdf
- Phone
- 1-410-545-8300
Baltimore Beltway (I-695) and I-495 (DC Beltway) have restricted travel times for oversize.
Planning a move through Maryland?
Plan a truck-legal route that checks bridges and construction, or find a vetted transporter or escort.
Try the Route Planner Find an Escort