Freight availability on the spot truckload market jumped 12 percent while available capacity was unchanged (-0.1 percent) during the week ending March 28, according to DAT Solutions, which operates the DAT network of load boards.

New federal regulations mandating rest time for truckers could mean increased costs for consumers, according to study from the Global Supply Chain Institute at the University of Tennessee, Knoxville.

FTR Associates' Shippers Conditions Index (SCI) for January slipped an additional two points, falling to a reading of negative 7.1, reflecting deteriorating conditions for shippers in the early months of 2013. The SCI is forecast to continue to move downward as the year progresses and is expected to reach negative double-digit levels by year-end, indicating very difficult conditions for shippers.