A Wrong Side FailureA failure that results in the protection provided by the Signalling System being reduced or removed. See Protected Wrong Side Failure and Unprotected Wrong Side... where another part of the Signalling SystemA series of electrical, electronic, electro-mechanical units brought together to form a system which controls the safe movement of trains. provides
an acceptable level of protection. Also known as a Low Risk FailureA Wrong Side Failure where another part of the Signalling System provides an acceptable level of protection. Also known as a Protected Wrong Side Failure..