"If anyone deserved a lunchtime indulgence Monday, Barry Robinson did. His normal 60-minute drive to work, from Accokeek to Baltimore, took four agonizing hours, much of it spent on a ramp to Interstate 495, waiting for the tractor-trailer in front of him to unstick itself. 'I was thinking there's got to be a better way,' says Robinson, Baltimore's chief of transit and marine services."