WINDOW FORMING AN EMERGENCY EXIT OF A PUBLIC TRANSPORT VEHICLE

Window (14) forming an emergency exit of a public transport vehicle (10), comprising glazing (16), characterized in that the glazing (16) comprises: - at least one first zone (18) with variable opacity, - at least one second zone (20) that is breakable, capable of being broken in order to allow the passage of persons through the window (14), and - at least one third zone (22) that is transparent or translucent with fixed opacity and resistant to breakage of the glazing (16).