CURRENT AFFAIRS

Detailed explanation-1: -Platform screen doors (PSDs) and platform edge doors (PEDs) at train or subway stations screen the platform from the train. They are a relatively new addition to many metro systems around the world, some having been retrofitted to established systems. They are widely used in Asian and European metro systems.

Detailed explanation-2: -Platform Screen Doors (PSD) Platforms screen doors consist in automatic doors along platforms to isolate travelers from the subway traffic. They work as a barrier installed at the edge of the platforms and are synchronized with the on-board doors of the train.

Detailed explanation-3: -Their primary purpose is to prevent passengers from falling off the platform edge onto the railway tracks. Like full-height platform screen doors, these platform gates slide open or close simultaneously with the train doors.

Detailed explanation-4: -The platform edge screens are a critical safety feature for our stations. They provide a physical barrier between the platform and the track, ensuring that passengers are not able to access the tracks.