A platform gap is the space between a train car and the edge of the station platform, often created by geometric constraints, historic legacies, or use of partially compatible equipment.
A Central line platform at Bank tube station, London, showing the 1-foot (30 cm) gap between the train and the platform edge (delineated by a solid white line).
Significant vertical and horizontal platform gap at University station on the MTR system in Hong Kong
This German regional train (DB class 442) has door-mounted gap fillers
The severe concave platform curvature at 14th Street–Union Square requires gap fillers at regular intervals
A railway platform is an area alongside a railway track providing convenient access to trains. Almost all stations have some form of platform, with larger stations having multiple platforms.
Platform at Rotterdam Centraal station, Netherlands
Station platforms at Arts et Métiers station on Line 11 of the Paris Métro
Oslo airport train station, Platform 0
Platform barriers on the Berlin-Hamburg high speed line