Multimodal

• National Transportation Statistics, Chapter 1D: Travel and Goods Movement (BTS)
• North American Transborder Freight Data (BTS)
  Freight imports and exports by mode and origin/destination for trade with Canada and Mexico (monthly)
• Commodity Flow Survey (BTS)
  Transport of freight within the US by value, tons, and ton-miles for the US, states and metropolitan areas and by commodity. Years available 1993, 1997, 2002, 2007
• Transportation Services Index (BTS)
  Seasonally adjusted index that measure the movement of passengers and freight in the US (monthly)
• Border Crossing/Entry Data (BTS)
  Persons, vehicles and containers entering the US from Canada and Mexico (monthly)
• Overview of freight transportation sources (FHWA)
  Links to major sources of national freight transportation data
• Freight Facts and Figures 2011 (FHWA)
  Volume and value of freight shipments, the extent of the network, employment and productivity, and related safety, energy use, and environmental effects.
• Industries at a glance - Transportation and Warehousing Bureau of Labor Statistics - (DOL)

Airlines & Airports

• Airline Data (BTS)
  A variety of ways to access airline traffic data including freight
• Passenger Boarding and All-Cargo Data for US Airports (FAA)
  Passenger (enplanement) and cargo data extracted from the Air Carrier Activity Information System (ACAIS)

Maritime

• Maritime Administration (MARAD)
  • US Waterborne Foreign Trade & US Foreign Container Trade: by US port and trading partner
  • Vessel Calls at US Ports: by vessel type and port
  • Merchant Fleet Statistics: by vessel type and flag/ownership country
  • Surveys of Great Lakes operators and barge operators
• Navigation Data Center US Army Corps of Engineers
  Data on ports and locks, domestic waterborne freight
• Lake Carriers Association Trade Association
  US –flag Great Lakes shipping data

Railroad

• Railroad Financial and Statistical Reports (STB)
  Traffic, financial, employment reports on freight railroads (annual and quarterly)
• Association of American Railroads (Trade Association)
  Weekly rail summaries