Delaware Oversize/Overweight Permits

Delaware Overweight PermitsPermit Types

Call (888) 799-8858 for Delaware overweight/oversize permits.

  1. Single-Trip Oversize Permit – Valid for 5 days
  2. Single-Trip Overweight Permit – Valid for 5 days
  3. Superload Permits
  4. Annual Permits
  5. Multi-Trip Permits – For cranes, double trailers or zero emission buses.

Travel is permitted from sunrise to sunset.

Superloads are classified as any vehicles when the load is:

  • Over 120,000 lbs.
  • 120’ or more in length
  • 15’ or more in width
  • 15’ or more in height



Width  8’6″ (8′ on non-designated)
Length Single Motor Vehicle – 40’

Semitrailer, including any load thereon, exclusive of truck tractor size – 53′

Bus – 45′

Trailer or semi-trailer in a truck tractor-semitrailer-trailer combination, including any load thereon, exclusive of tractor size – 29’

Truck and semitrailer combination – 65’

Piling and pole trailers and vehicles or combinations of vehicles engaged in the transportation of steel beams, pipes, angles, channels, and other lengths of steel, or other metals, or other
articles impossible of dismemberment, shall not exceed 70’.

When carrying long logs, poles, piling, and other overlength articles, a pole trailer is required.

On Interstate and Designated Highways – 53’ semi-trailers. 70’ poles, steel, etc. including 5’ rear overhang are legal. Shall not extend more than 10’ beyond rear.

Weight 80,000 lbs. gross weight

  • Steer – 20,000 lbs. on Interstates
  • Single – 20,000 lbs. on Interstates (22,400 lbs. on other roads)
  • Tandem – 34,000 lbs. on Interstates (40,000 lbs. on other roads)
  • Tridem – 42,000 lbs.
Height 13’6″ (13’ on non-designated roads)
  • 6’ rear
  • 3’ front



Width 15’
Length 120’
  • Single – 20,000 lbs.
  • Tandem – 40,000 lbs.
  • Tridem – 60,000 lbs.
  • 5 Axles – Depends on the spacing
  • 6 Axles or 7 Axles – 120,000 lbs.
Height 15’


Escort/Pilot car requirements on all Highways

Width over 13’ 1 rear escort (1 front on two-lane highways)
Width over 14’ 2 escort
Width of 15’ 2 escort and 1 state police escort
Height of 15’ 2 escorts (15’ and over must have a route survey)
Height of 17’6″ and over 2 escorts and a state police escort
Weight over 120,000 lbs. 2 escorts, a state police escort, and a bridge survey
Length over 90’ 1 rear escort
Length over 100’ 2 escorts
Length over 120’ 2 escorts and a state police escort
Rear overhang 15’ or more 1 rear escort (unless permit specifies otherwise)



Warning signs are required for all oversize movements. “Oversize Load” signs are to be displayed on all vehicles and loads exceeding legal width, length, or rear overhang. Flags are required at the extremities of all overwidth loads. On loads with a rear overhang of more than 4′, one flag is required at the extreme rear of the load if it is 2′ wide or less; two flags are required if it is wider than 2′. Remember, you are responsible for ensuring the accuracy of any permits you are running on, for following the rules pertaining to them, and for having any additional provisions or condition sheets required.


No travel on New Years’, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas. Movement stops at 12:00 p.m. the day before a holiday. Movement resumes after 12:00 p.m. the day afterward. Ask the Permit Office to verify, as these restrictions may vary year-to-year.

You can also obtain any trip and fuel permits you may need with our sister site!