Increase in the Freight Transportation Services Index came after two monthly declines.
For-hire freight transported in March increased 1.9 percent from February to the highest level since July 2008.
Freight transportation services index increased 4.1 percent in June from a year earlier.
Freight TSI index has risen 4.9 percent over the last 11 months, after declining 15.3 percent in the previous 10 months.
The Freight TSI index has increased in six of the past eight months.
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