Trucking executives, encouraged by steadier, stronger economic growth in the U.S., are increasingly optimistic about their outlook for 2015, both in terms of freight demand and their ability to raise rates, Transport Capital Partners said.

Truckload carriers surveyed by TCP have expected volumes to grow for eight straight quarters, and that confidence continued to build as U.S. gross domestic product growth hit 3.9 percent in the third quarter and freight demand stayed high.

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