Crossing Closure Verification System™


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Brief Overview

The Crossing Closure Verification System™ is designed to relieve train crews of the responsibility of sounding the locomotive horn at crossings when the roadway closure crossing gates are in the closed and latched positions. Once the gates are in the closed and locked position the CCVS™ flashes a signal indicating that the train crew need not sound the train horn. The new Federal Railroad Administration Train Horn Rule specifies that the closure system shall be equipped with a monitoring device that contains an indicator which is visible to the train crew prior to entering the crossing. The indicator shall illuminate whenever the closure device is deployed.

How it Works

The system provides a special, coded DC pulsed output which energizes a transmitter coil within the gate arm. This transmitted code is then received by a magnetic proximity receiver located within the fixed receiver post. The gate arm must be physically compressed and latched into the receiver post before the signal path can be completed. Once both gates are latched into their receiver posts, the Universal Quiet Zone Indicator consisting of an orange, LED “X” each direction, flashes a special pattern notifying the train crew that they need not sound the train horn. This system allows communities to consider a temporary closure option as part of their quiet zone approach. This unique verification system can also be applied to any number of other signal applications.