State Oversize Permits & Escorts Information


Back to List of States

Texas DOT Phone Number: (512) 463-8588

DOT Website

Permits: Texas oversize permits are valid for three to five days. Must have permit prior to entering state.

Operating Time: One-half hour before sunrise to one-half hour after sunset, including Saturday and Sunday. Loads not exceeding 10′ wide, legal height (14′) or 100′ long with legal front and rear overhang may travel at night on Interstate system only. Overweight only may have continuous movement.

Restricted Travel: City/county curfew times are now listed on the permit. Travel is allowed on major holidays depending on dimensions.

Back to List of States



Length: 59′ semi-trailer


  • 2′ front
  • 4′ rear

Width: 8’6″

Height: 14′

Weight: 80,000 Gross

  • Single – 20,000
  • Tandem – 34,000
  • Tridem – 42,000

Length: 125′

Overhang: 30′


  • 20′
  • 16′ on Interstate System

Height: 18’11”


  • Single – 25,000
  • Tandem – 46,000
  • Tridem – 60,000
  • Quad – 70,000

Loads exceeding these dimensions are Super Loads. The state will propose a route which we are then required to survey physically and sign off on. Over 254,000 pounds, or over 200,000 pounds with less than 95 feet of axle spacings are Super Heavy Loads which require several weeks to approve.



  • Over 110′ – 1 escort
  • Over 125′ – 2 escorts


  • Over 20′ – 1 escort
  • Over 30′ – 2 escorts (needs special approval)


  • Over 14′ – 1 escort
  • Over 16′ – 2 escorts


  • Over 17′ – 1 escort
  • Over 18’ – 2 escorts

Note: If the load is over two dimensions that require escort, then 2 escorts will be required.

MISCELLANEOUS: A flatbed load cannot be permitted for width and height at the same time.

SIGNS, FLAGS & LIGHTS: Signs are only required on escort vehicles. Red flags should be placed at all extremities.

Important Notice:
The following is provided for informational purposes only. We do not procure or arrange permits on behalf of carriers or discuss permit and escort requirements for particular shipments. The following links provide general guidelines for oversize permits and escorts for heavy haul shipping by state/province. State regulations are subject to change; If you find inaccurate information, please let us know, and we will update the page accordingly.