Subway cars in New York City are continually cleaned at end terminals with sweeping, mopping, and seat cleaning. External washing occurs weekly, and each car undergoes a deep cleaning every 72 days at maintenance facilities. This includes washing the interiors, surfaces, seats, door panels, windows, and thorough floor scrubbing. Conductors utilize zebra boards to ensure trains stop safely at the platform. MetroCards are designed with a chamfer for swiping efficiency and orientation when being used at fare collection points.
All cars in service are continually cleaned at end terminals, with staff sweeping and mopping the floors and wiping down seats. Most are also sent for external washing once a week.
Subway conductors are pointing at black and white signs called zebra boards, which indicate the spot where the train conductor's car should stop. When properly aligned, it ensures safety while opening the doors.
The slanted edge of MetroCards is called a chamfer, designed to ensure proper orientation and ease of swiping as riders use fareboxes or swipe at turnstiles.
A more intensive deep clean of subway cars happens every 72 days at maintenance facilities, where surfaces, seats, and windows are washed, along with thorough scrubbing of floors.
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