Running Traffic indicator lights indicate to the users the direction and availability of an escalator or moving walkways. Different symbols,signs or colors tell an approaching user that an escalator or moving walkways is running in the desired direction, in the opposite direction or temporarily out of order. Two-way traffic lights are used when an escalator operates in both direction and starts when approached from a specific direction.

Usually ,there are built-in type rectangle or roundness and external type cylinder escalator running direction indicator light.

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