"Maybe there will be an accident once in 100,000 years"... Received the highest level of safety by making Korea

Among the passenger safety devices installed on subway platforms and other urban railway platforms, the most noticeable is the 'screen door'. It is a system that installs a fixed wall and a movable door that is isolated from the track on the platform so that it opens and closes in conjunction with the door of the vehicle.

Original Source: https://www.joongang.co.kr/article/25182720#home