Stranded Cars (IMAGE) Georgia Institute of Technology Caption Stranded self-driving or other connected cars are designated with a red stop sign on their roofs. The lower section depicts situations in which stranded cars can block traffic without shutting down all lanes. They must merely become impediments that other cars can't circumvent. Credit Yunker/Vivek/Yanni/Georgia Tech Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.