Movable platform edge extensions at subway or railway stations
"Gap filler" redirects here. For the Space Shuttle thermal protection system, see Gap fillers. For the car accessory, see Drop Stop.
Platform gap fillers being trialled at Platform 3 of Lo Wu station in Hong Kong in 2009.Carleton station on the Trillium Line is the only station with two platforms. Note gap fillers at solid yellow markings.
Platform gap fillers are movable platform edge extensions at subway or railway stations where the curvature of the platform creates a significant gap between the platform and subway or train car door.
