In the analysis released Feb. 13, 2013, the Department of Trasportation’s Bureau of Transportation Statistics (BTS) reported that its Freight Transportation Services Index (TSI) increased 1.0 percent from November to December. This is the second consecutive month of growth, there was a 1.7 percent rise from October to November.
According to the BTS the December Freight TSI at 109.9 is 3.5 percent below the December 2011 reading of 114.0, which represents the all-time high since BTS first begun collecting data in 1990. However, the December Freight TSI is 16.6 percent higher than April 2009’s low point of 94.3 during the recession.
The BTS reported that for all of 2012 freight shipments were down 3.5 percent annually, the first decline sine 2008.
For more details please refer to the United States Department of Transportation: BTS Page