Table 7. Top 10 States Trading with Mexico by Surface Modes of Transportation ,, Ranked by November 2007 Surface Trade Value,, (millions of dollars),, Rank,State,November 2007 1,Texas,"7,681" 2,California,"4,640" 3,Michigan,"2,856" 4,Illinois,871 5,Arizona,835 6,Ohio,644 7,Tennessee,542 8,North Carolina,497 9,Pennsylvania,443 10,Indiana,429 "Source: BTS TransBorder Freight Data, http://www.bts.gov/transborder/",,