Swingnose crossing
A swingnose crossing or moveable point frog is a device used at a railroad switch to eliminate the gap at the common crossing (a.k.a. frog) which can cause damage and noise.
A swingnose crossing or moveable point frog is a device used at a railroad switch to eliminate the gap at the common crossing (a.k.a. frog) which can cause damage and noise.
A swingnose crossing or moveable point frog is a device used at a railroad switch to eliminate the gap at the common crossing (a.k.a. frog) which can cause damage and noise.
Source: Wikipedia "Swingnose crossing" · CC BY-SA 4.0
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