What Are Different Types of Railroad Crossing Signals?


Quick Answer

Railroad crossing signals are divided into two categories: active and passive. Active signals warn drivers and pedestrians of oncoming trains, and passive signals alert people to the presence of railroad crossings or railroad tracks.

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Full Answer

Active railroad signals warn drivers and pedestrians of approaching trains. They are activated manually or when the train passes over a special detection circuit. Active warning signals include flashing lights, bells, horns and automated gates. Passive railroad signals alert others to the presence of a railroad crossing or railroad tracks. This includes signs posted on or near the crossing along with any pavement markings near the crossing.

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