BTS reported the Freight TSI rose 6.9 percent over the last 19 months, starting in June 2009, after declining 15.3 percent in the previous 10 months beginning in August 2008. The index has increased in 14 of the last 19 months.
For additional historic data, go to www.bts.gov/xml/tsi/src/index.xml.
The December Freight TSI of 100.0 is a 6.9 percent increase from the recent low of 93.5 in May 2009. In May 2009, the index was at its lowest level since June 1997. The December Freight TSI is down 11.4 percent from its peak of 112.9 in May 2006.
The Freight TSI measures the month-to-month changes in freight shipments in ton-miles, which are then combined into one index. The index measures the output of the for-hire freight transportation industry and consists of data from for-hire trucking, rail, inland waterways, pipelines and air freight.
