If the numbers hold, the increase in trucking jobs would be the largest one-month surge since December 1990.
Trucking jobs in November also grew on a year-over-over basis for the second month in row.
Since the beginning of March, trucking companies have added 15,900 jobs, according to the latest numbers.
Since the beginning of March, trucking companies have added 13,000 jobs, according to the preliminary numbers.
With strong gains in April and May, the trucking industry virtually has erased previous job losses for the year.
The 24.1 percent increase is the largest year-over-year rise on record but freight value remained 14.3 percent less than in February 2008.
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