A crossing on one level ("at-grade intersection") — without recourse to a bridge or tunnel — of a railway line by a road or path. ("wikipedia":http://en.wikipedia.org/wiki/Level_crossing)

Associated visual elements include "crossbuck":http://en.wikipedia.org/wiki/Crossbuck, flashing red lights and [[boom barrier]]s.

h4. See also

* [[railroad signal]]
* [[railroad tracks]]
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