Table 4. U.S. Merchandise Trade with Canada by Surface Modes of Transportation,,,,,, (millions of dollars),,,,,, Mode,,January 2004,December 2004,January 2005,Percent Change Dec. 2004 -Jan. 2005,Percent Change January 2004-2005 All Surface Modes,Imports,"17,059","19,306","20,222",4.7,18.5 ,Exports,"12,148","14,444","14,201",-1.7,16.9 ,Total,"29,207","33,750","34,423",2.0,17.9 ,,,,,, Truck,Imports,"8,972","10,666","10,737",0.7,19.7 ,Exports,"9,632","11,357","10,889",-4.1,13.0 ,,,,,, Rail,Imports,"4,172","4,527","4,547",0.4,9.0 ,Exports,"1,060","1,364","1,405",3.0,32.5 ,,,,,, Pipeline,Imports,"3,125","3,309","3,843",16.1,23.0 ,Exports,114,226,392,73.7,243.5 "Note: The value of all surface modes is not equal to the sum of truck, rail and pipeline modes. The value of trade for all surface modes includes shipments made by truck, rail, pipeline, mail, foreign trade zones, other and unknown modes of transportation.  For additional detail refer to the Transborder Surface Freight data ""Sources and Reliability"" statement: http://www.bts.gov/ntda/tbscd/srfin.html",,,,,, "Source: BTS Transborder Surface Freight Dataset, http://www.bts.gov/transborder/",,,,,, ,,,,,, ,,,,,,