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                             Motor Carrier Contacts                   

Motor Vehicle Administration

 Apportioned registration and temporary trip permits (IRP)

  • Maryland calls only 800-248-4160
  • Outside of Maryland 410-787-2971

 Commercial Driver's License (CDL)

  • Toll-free only from MD, DC and Northern VA 800-950-1682
  • Outside of Maryland 301-729-4550

Maryland State Highway Administration, Motor Carrier Division

MD DOT number, Commercial Vehicle Regulations, Safety Programs, ITS/CVO Programs, Maryland Motor Carrier Handbook, and Maryland Truckers' Map

  • Maryland calls only 800-543-4564
  • Outside of Maryland 410-582-5734

 Oversize/Overweight heavy hauling and exceptional permits

  • 410-582-5734
  • For emergency permits during non-business hours, call the Statewide Operations Center (SOC) 800-543-2515

Comptroller of Maryland

 IFTA Decals, registration and trip permits: Motor Fuel Tax Division

  • Outside of Maryland 410-260-7131

 Alcohol Beverage Transportation Permits:  Alcohol and Tobacco Tax Division

  • Outside of Maryland 410-260-7980

Preventive Maintenance Handbook

  • 410-260-3876 to order

Federal Motor Carrier Safety Administration

  • 800-832-5660
    • USDOT Number
    • Operating Authority
    • New Applications
    • Insurance Filing Information
    • Safety Ratings
  • Household Goods/Driver Complaints
    • 888-DOT-SAFT (888-368-7238)
  • Baltimore Division Office
    • 410-962-2889

Maryland Public Service Commission

  • In-state Passenger Carriers 410-767-8128

Maryland Department of Environment

  • Hazardous Materials Transportation 410-537-3400
  • Oil Control Program 410-537-3442
  • Hazardous Waste Permits and Hazardous Materials Information 410-537-3400
  • Waste Minimization & Recycling (Tires) 410-537-3315

Maryland Port Administration

  • Intermodal Department 800-638-7519 or 410-633-1180

Maryland State Police Commercial Vehicle Enforcement Division