United States. Bureau of Transportation Statistics

• 1990 census transportation planning package
• 1997 economic census
• 1998 North American transportation atlas data
• 2002 economic census
• America's container ports
• America's freight transportation gateways
• American travel survey
• Census transportation planning package
• Compendium on congestion
• G-7 countries
• International travel and tourism
• Journal of transportation and statistics