Productivity losses from the new hours-of-service rules have been less than anticipated, thanks to efforts by shippers and carriers, but both sides worry about additional changes that may be on the way.

Even the best companies forget that their supply chains are only as strong as the transportation system that supports them. Unfortunately, capacity constraints, high costs and other problems portend serious transportation problems. The answer is having the right transportation executive on staff who understands the legal and operational challenges ahead.