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Motor Carrier Contacts
      

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

 

MD DOT Number

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

 

Maryland Motor Carrier Handbook

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

 

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

 

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

  • 410-260-7131

 

Alcohol Beverage Transportation Permits:  Alcohol and Tobacco Tax Division

  • 410-260-7980

 

Preventive Maintenance Handbook

  • 410-260-3876 to order

 

Intrastate for-hire passenger carriers

  • 410-767-8128

Maryland Department of Environment


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

  • Phone - 410-579-5959   Fax 410-796-0431

 

Maryland Emergency Management Agency

  • 1-877-MEMA-USA - (1-877-636-2872)

 

Federal Motor Carrier Safety Administration  -800-832-5660

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