Delaware OSOW permits

Updated: Sep 2


Permits valid for six days.


Delaware Permitting System: https://deldot.gov/osow/application/

Contact phone number: 1-302-744-2700


OPERATING TIME:

Travel permitted sunrise to sunset.


RESTRICTED TRAVEL:

No travel on New Years, Good Friday, Memorial Day, Independence Day, Labor Day, Thanksgiving, and Christmas. Movement is to stop 12:00 noon the day before a holiday and can begin after 12:00 noon the day after the holiday. Ask the Permit Office to verify, as these may change from year to year.


LEGAL DIMENSIONS:

Width: 8'6" (8' on non-designated)

Height: 13' 6" (13' non-designated).

Length: 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.

Overhang: 6' rear, 3' front.

Weight: 80,000 Gross Steer – 20,00 Single – 20,000 Tandem – 34,000 Tridem – 42,000


ROUTINE PERMIT LIMITS:

Width: 15'

Height: 15'

Length: 120'

Weight: Single – 20,000 Tandem – 40,000 Tridem – 60,000 5 Axles – depends on spacings.

6 Axles or 7 Axles – 120,000. Loads exceeding these dimensions or weights have to be applied for as Super Loads.


ESCORTS:

Width: Over 12' – 1 escort, over 14' – 2 escorts, over 15' – 2 escorts & State Police.

Height: At 15' – 2 escorts; at 17'6 and over – 2 escorts & State Police. At 15' high and over, must have route survey.

Length: 85' or over – 1 rear escort; 100' or over – 2 escorts; 120' – 2 escorts & State Police. Overhang: Over 15' – 1 escort unless permit specifies otherwise.

Weight: Over 120,000 pounds – 2 escorts & State Police & Bridge Survey


MISCELLANEOUS:

All loads that are reducible must be reduced. No exceptions, this includes buckets, counterweights, blades, etc.


SIGNS & FLAGS:

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 on all over width loads. On loads with rear overhang in excess of 4', one flag is required at the extreme rear of the load if it is 2' wide or less at that point; 2 flags required if it is over 2' wide.

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