While driving us to an unfamiliar location, my husband noticed that the GPS directions suddenly seemed wrong. After entering a reliable four-lane highway, we were advised to exit and travel along a one-lane “frontage” road running parallel to us. “I’ll just trust it,” Dan said, despite seeing no delays. After about ten miles, however, the traffic on the highway next to us slowed to a near standstill. The trouble? Major construction. And the frontage road? With little traffic, it provided a clear path to our destination. “I couldn’t see ahead,” Dan said, “but the GPS could.” Or, as we agreed,…