Self-Driving CMU Car Changes Lane, Waits For Pedestrians In Test Drive

The vehicle looks, from the outside, much like any other 2011 Cadillac SRX. It is not. It is a self-driving car, developed by the Carnegie Mellon University, that negotiated congestion and highway traffic while safely changing lanes and merging during a 33-mile drive from Cranberry, Pa., to Pittsburgh International Airport, as part of a demonstration.