Weird (?) signal config
A nearby proto (CN, ex-EJE) has two mains converging to single track at one point. At that point there's a signal mast for each main (logical) with a 3-light over a 1-light (which is always red) over a 2-light signal head. What would be the purpose of a signal configuration like this at a simple convergence? Why not a 3 over 3?
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