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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
Phone 302-744-2700
Email Hauling Permit at DOT (

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:

Phone 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)

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

Delaware State Police     
  State Police Escort Information

Toll Facility
  Interstate 95 302-366-7299
  SR1 Biddles Corner 302-838-4999
  SR1 Dover 302-857-5799

DelDOT Toll Rates
  Delaware Toll Services

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)

State Fire Marshall

Transportation Management Center (TMC)
     (Emergency After Hour Moves)

Delaware ABC Commission
  Transporting Alcoholic Beverages 302-577-5222

  E-ZPass Delaware

911 Call Center
  New Castle County (Recom) 302-577-3010
  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)

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