Bureau of Transportation Statistics press release: “Trade using surface transportation between the United States and its North American Free Trade Agreement (NAFTA) partners Canada and Mexico was 8.6 percent higher in November 2007 than in November 2006, reaching $70.4 billion, according to the Bureau of Transportation Statistics (BTS) of the U.S. Department of Transportation… U.S.–Canada surface transportation trade totaled $45.2 billion in November, up 11.5 percent compared to November 2006. The value of imports carried by truck was 4.9 percent higher in November 2007 than November 2006, while the value of exports carried by truck was 15.1 percent higher…U.S.–Mexico surface transportation trade totaled $25.1 billion in November, up 3.6 percent compared to November 2006 (Table 6). The value of imports carried by truck was 7.6 percent higher in November 2007 than November 2006 while the value of exports carried by truck was 1.6 percent lower.”