Autonomous buses will start roaming Seoul starting Friday. A total of two autonomous buses, operated by Hyundai Motor Group’s autonomous transportation start-up 42dot, will drive through a 3.4-kilometer course from Cheonggye Plaza to Sewoon Plaza in central Seoul, every 20 minutes. Passengers will need to download the mobile application TAP! to reserve their spot. The service is free. The autonomous bus drives to its destination from a road near the Cheonggye Plaza on Thursday morning. [YONHAP]