Connected Cars: The long road to autonomous vehicles

Back in 1995, the NavLab 5 team at Carnegie Mellon University launched an autonomous vehicle on a trip from Pittsburgh to San Diego. It averaged speeds above 60 mph. So if self-driving technology worked on a cross-country trip 22 years ago, why aren't roads filled with autonomous cars today? The reason is the technology remains closer to the research lab stage and is not ready for prime time, ay experts. Sensors must shrink, improve their range, particularly in bad weather, and become less expensive.