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Delaware Department of Transportation

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Oversize / Overweight Permit System

Contact us

Contact Us


Contact the Hauling Permit Office:

  • For questions regarding Oversize/Overweight (OSOW) hauling permit business rules
  • For questions regarding general operating policy and procedures
  • For password resets

302-744-2700
Fax 302-739-7808
Hauling Permit at DOT (haulpermit@state.de.us)

For issues involving system software malfunctions contact our Technical Support Help Desk. Your issue will be recorded and forwarded to a software developer who will contact you for problem analysis and resolution. Contact the Help Desk at:

302-760-2200

Additional DelDOT and State of Delaware agency telephone numbers normally used in association with processing OSOW Hauling Permits are listed below.


Chief Traffic Engineer Office

(Approval of After Hour, Extreme Size Moves and Use of Restricted highways)

302-659-4060

DelDOT Bridge Management

(SUPERLOADS with GVW over 120,000 pounds and Individual axles at or over 25,000 pounds)

302-760-2170

Delaware State Police


Toll Facility

Interstate 95
302-366-7299

SR1 Biddles Corner
302-838-4999

SR1 Dover
302-857-5799


DelDOT Toll Rates


Motor Carrier Safety Assistance Program Unit (MCSAP)

Blackbird Weigh Station on US13
302-378-5230

Weigh Station on US301
302-378-5714


Delaware Memorial Bridge

Haulers should contact the Delaware River and Bay Authority Police when explosives are being transported

302-571-6342

Delaware Department of Natural Resources and Environmental Control

(Solid Waste/Hazardous Waste)

302-739-3689

State Fire Marshall

(Explosives)

302-577-3013

Transportation Management Center (TMC)

(Emergency After Hour Moves)

302-659-4600

Delaware ABC Commission

Transporting Alcoholic Beverages

302-577-5222


911 Call Center

New Castle County (Recom)
302-577-3010
302-577-3011

Kent County (Kentcom)
302-739-4863

Sussex County (Suscom)
302-855-2980


DelDOT Approved Electrical Contractors

Kriss Contracting
302-492-3502

Byers Electric
856-861-8431

Rommel
301-912-5740

KAP
410-742-9285


US Army Corps of Engineers

(Superload permit application review and approval by US Army Corps of Engineers)

215-656-6441


 ADA Information
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