Thank you for playing JR EAST Train Simulator. Thank you for your patience, we have started to distribute the 12th DLC "Sobu Line (Rapid)" today, December 19 (Tue.)! About the Route The Sobu Rapid Line is a 79.2 km long line running east-west between Tokyo Station in Tokyo's Chiyoda Ward and Chiba Station in Chiba City, Chiba Prefecture.