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A split platform, stacked platform, or separate platform is a station that has a platform for each track, split onto two or more levels. This configuration allows a narrower station plan (or footprint) horizontally, at the expense of a deeper (or higher) vertical elevation, because sets of tracks and platforms are stacked above each other.
A right-hand railroad switch with point indicator pointing to right Animated diagram of a right-hand railroad switch. Rail track A divides into two: track B (the straight track) and track C (the diverging track); note that the green line represents direction of travel only, the black lines represent fixed portions of track, and the red lines depict the moving components.
A crossbar switch is an assembly of individual switches between a set of inputs and a set of outputs. The switches are arranged in a matrix. If the crossbar switch has M inputs and N outputs, then a crossbar has a matrix with M × N cross-points or places where connections can be made.
Right, the guard rail, which prevents the opposite wheel from derailing on the common crossing at the left. The point where two straight but intersecting rails cross is called a crossing (UK parlance: frog). A groove through each rail allows the wheel flanges to pass through the intersecting rails.
A level junction (or in the United Kingdom a flat crossing) is a railway junction that has a track configuration in which merging or crossing railroad lines provide track connections with each other that require trains to cross over in front of opposing traffic at grade (i.e. on the level).
A cross-platform interchange is a type of interchange between different lines at a metro (or other railway) station. The term originates with the London Underground; [1] such layouts exist in other networks but are not commonly so named. In the United States and Canada, it is often referred to as a cross-platform transfer.