Trucking Legal Height Limits Map
A visual guide to navigating state-by-state height regulations for your freight.
Trucking Legal Height Limits Map
The overall height of your trailer and cargo is one of the most critical factors in freight shipping. While the federal standard sits at 13’6″, legal height limits vary state by state — with western states often permitting up to 14′ and some corridors allowing even more with proper permitting. A load that travels legally through Texas may require an overheight permit, a different trailer, or a reroute entirely before crossing into another state. This interactive map provides a state-by-state height reference for smarter route planning and better freight decisions before your shipment ever leaves the dock.
This map is an informational guideline. State laws can change. Always verify your route with one of our freight experts to ensure full compliance.
Relevant Shipping Modes
For open-deck freight where height is a factor, these are your primary options.
Full Truckload (FTL)
Dedicated use of a trailer for your shipment, ensuring direct transit and maximum security for your tall freight.
Partial Truckload (PTL)
A cost-effective option where you share trailer space, ideal for single pieces of machinery or smaller tall loads.
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Load Height Examples
Choosing the right trailer is essential to stay within legal height limits. Here are some examples of tall loads and why trailer selection matters.
MATCH YOUR LOAD HEIGHT TO THE RIGHT TRAILER
Select a trailer below to compare height clearances and specifications.
Height-Related FAQs
Common questions about freight height and trailer selection.
A standard flatbed deck is about 5 feet (60 inches) high. If the legal height limit is 13'6" (162 inches), your cargo cannot be taller than 8'6" (102 inches). We always verify routes to ensure compliance.
A step-deck is crucial when your cargo is taller than 8'6". Its lower deck, typically around 3'4" (40 inches) high, allows for cargo up to 10'2" tall to remain within the 13'6" legal limit, avoiding most overheight permits.
Lowboy or RGN trailers have the lowest deck, often as low as 18-24 inches. This allows for cargo up to 11'6" or even 12' tall to be transported legally, making them essential for the tallest and heaviest machinery.
No, hotshot trailers are subject to the same overall height limits as larger trucks. However, their deck heights can vary, so it's crucial to match the right hotshot trailer to your specific load to ensure you stay under the legal maximum height.
Don't Guess on Height. Get an Expert Quote.
Let our freight experts plan the perfect route with the right trailer for your tall cargo. Contact us for a comprehensive, compliant freight quote.