Logistics Intelligence
Permit Atlas
State-specific regulations, legal dimensions, and contact endpoints for North American heavy transport planning.
Alabama
Width8' (roadways <12 ft wide) or 8'6" (roadways 12'+ wide)
Height13'6"
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Alaska
Width8'6"
Height13'6"
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Arizona
Width8'6"
Height14' (Interstate), 13' (secondary roads)
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Arkansas
Width8'6"
Height13'6"
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California
Width8'6"
Height14'
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Colorado
Width8'6"
Height14'6"
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Connecticut
Width102.37 inches (8'6")
Height13'6"
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Delaware
Width8'6"
Height13'6"
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Florida
Width8'6" (8' for roadways narrower than 12')
Height13'6" to 14' (varies by source)
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Georgia
Width8'6"
Height13'6"
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Hawaii
Width8'6"
Height13'6"
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Idaho
Width8'6"
Height14'
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Illinois
Width8'6"
Height13'6"
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Indiana
Width8'6" (Federal legal width limit)
HeightVaries
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Iowa
Width8'6"
Height14'6" (Iowa allows 14'6" legal height)
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Kansas
Width8'6"
Height13'6" to 14'
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Kentucky
Width8'6" (Interstate and designated roads), 8' (non-designated roads)
Height13'6"
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Louisiana
Width8'6"
Height13'6" to 14'
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Maine
Width8'6"
Height13'6"
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Maryland
Width8'6"
Height13'6"
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Massachusetts
Width8'6"
Height13'6"
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Michigan
Width8'6"
Height13'6"
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Minnesota
Width8'6"
Height13'6"
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Mississippi
Width8'6" (on roadways 12' and wider)
Height13'6"
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Missouri
Width8'6"
Height15' (14' on Interstates)
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Montana
Width8'6"
Height15'6" maximum
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Nebraska
Width8'6"
Height14'6"
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Nevada
Width8'6"
Height14'
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New Hampshire
Width8'6"
Height13'6"
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New Jersey
Width8'6"
Height13'6"
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New Mexico
Width8'6"
Height13'6"
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New York
Width8'6"
Height13'6"
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North Carolina
Width8'6"
Height13'6" (from roadbed to highest point)
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North Dakota
Width8'6"
Height14'
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Ohio
Width8'6"
Height13'6"
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Oklahoma
Width8'6"
Height13'6"
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Oregon
Width8'6"
Height14'
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Pennsylvania
Width8'6"
Height13'6"
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Rhode Island
Width8'6"
Height13'6"
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South Carolina
Width8'6"
Height13'6"
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South Dakota
Width8'6"
Height14'
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Tennessee
Width8'
Height13'6"
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Texas
Width8'6"
Height14' (legal height)
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Utah
Width8'6"
Height14'
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Vermont
Width8'6"
Height13'6"
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Virginia
Width8'6"
Height13'6"
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Washington
Width8'6" (8' on local roads)
Height14'
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West Virginia
Width8'6"
Height13'6"
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Wisconsin
Width8'6"
Height13'6"
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Wyoming
Width8'6"
Height14'
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