UPS's Scott Davis on Shipping Sharks, Work Rules, and the Post Office - Businessweek Scott Davis answers questions about shipping sharks, UPS work rules, TNT, the post office and more. Your drivers have to follow 340 rules. Why so many? We have always been perceived as one of the better operating companies in the world. Every minute is critical. Five minutes of congestion—for an average truck in the U.S. that has to wait for five minutes a day—it’s $105 million a year for UPS. We have to figure out how to do better.