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TruckingWikiRegulatory reference · Est. 2026
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Front pageOversize and overweight permits
TW-PERMIT
FEDERAL RULE · 23 CFR PART 658

Oversize and overweight permits

Section 05✓ Sources verified23 CFR § 658.15(c)TW-PERMIT

Permitting is where federal law hands the pen to the states. The federal envelope fixes what is legal without a permit; every threshold above it, and the fee and escort rules that follow, are set jurisdiction by jurisdiction.

1 Key rules

RuleRequirementAuthority
RequirementNotwithstanding the width rule or any other provision of law, a State may grant special use permits to motor vehicles, including manufactured housing, that exceed 102 inches in width.The federal grant of permitting authority. Thresholds, fees, escort and curfew rules are state law and are not federally harmonised.§ 658.15(c)
Exemptions existNoPermitting is itself the exemption mechanism.§ 658.15(c)

2 Sources

  1. Truck Size and Weight, Route Designations — Federal Highway Administration
Review record

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