In numbers unadjusted for inflation, October 2012 value of U.S. surface transportation trade rose 38.9 percent from October 2009 — just after the end of the recession.
Surface transportation includes freight movements by truck, rail, pipeline, mail, other modes of transport, and goods moving into Foreign Trade Zones. In October, 86.5 percent of U.S. trade by value with Canada and Mexico moved via land, 9.5 percent moved by vessel, and 4.0 percent moved by air.