Table 7. Top 10 States Trading with Mexico by Surface Modes of Transportation ,, Ranked by May 2008 Surface Trade Value,, (millions of dollars),, Rank,State,May 2008 1, Texas,"8,095" 2, California,"4,245" 3, Michigan,"2,532" 4, Arizona,970 5, Illinois,961 6, Ohio,653 7, Tennessee,478 8, North Carolina,464 9, New York,458 10, Pennsylvania,426 "Source: BTS TransBorder Freight Data, http://www.bts.gov/transborder/",,