Maryland oversize load rules
Legal limits, pilot car requirements, travel restrictions, superload thresholds and permit fees for oversize and overweight loads in Maryland.
Legal limits without a permit
| Width | 8′6″ (102 in) |
|---|---|
| Height | 13′6″ |
| Length | Indivisible loads over 70′ need a permit (75′ for pilings, poles and logs) |
| Weight | 80,000 lb gross; Federal Bridge Formula |
What Pro adds for Maryland
- 8 escort rules with counts by width, height, length and road type
- 5 travel restrictions: curfews, night, weekends, holidays
- Superload thresholds and conditions
- 4 published fee lines and permit lead time
- Lane routing with miles per state and a cost breakdown
Escort (pilot car) requirements
- 8 width, height and length thresholds with the escort count for each
- Police escort triggers
- Overhang and route-type conditions
Travel restrictions
- 5 restrictions: curfews, night travel, weekends and holidays
- Which ones apply to a given load size
Superloads
- Exact thresholds and what the state requires past them
- Lead times, route surveys and police escort conditions
Permit fees
- 4 published fee lines with links to the fee schedule
- Validity periods and add-on charges
Common questions
When does a load need an escort in Maryland?
Answer available to members. Start free or sign in.
Can oversize loads travel at night in Maryland?
Answer available to members. Start free or sign in.
What is a superload in Maryland?
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Sources
- MDOT SHA overdimensional permit limitations (escorts, travel times, superloads)
- MDOT SHA hauling permits
- Maryland Oversize/Overweight Hauling Permit Manual (PDF)
Planning reference. Permits carry their own conditions, and city and county roads have separate rules. Confirm with the MDOT State Highway Administration Hauling Permits Unit before moving a load. Found an error? Report it.
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