We should look to nature. If everyone painted their vehicles in zebra camo and stuck together that should minimize a single driver from being singled out. The ability to become transparent like some cephalopods would be cool. Also we need jammers, radar detectors, radar absorbing coating like stealth bombers have, encrypted communication between vehicles with advanced AI for concerted driving and evasion tactics, license plates that can disappear by the flip of a switch, a light killswitch and night vision and infrared sensors for night runs. Think of skunk works but let's call it speed works.