Delivery Drivers to Pick Up Pace by Surrendering Keys  JENNIFER LEVITZ LOUISVILLE,Ky.—United Parcel Service Inc.,already designs its delivery routes to avoid left turns,so as not to waste time waiting for a break in oncoming traffic. And the company requires drivers to walk at a “brisk pace,”which it defines as 2.5 paces a second,to keep things moving … Continue reading Don’t lose that 1.75 seconds per stop →