Reply to "Signal Bridge Sizes--MTH Versus Lionel, Z-Stuff and Plasticville"

PRR1950OGR Forum Member DIGITAL SUBSCRIBER

Can't comment with any authority on why the MTH signal bridge is so much wider, but my guess would be that it would make it easier to use the bridge on or near curves. Regardless, I have attached several documents that will describe how the deceased PRR located their signal bridges with respect to multi-track situations. Hope you find them helpful.

Chuck

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PRR Signal Standard MOW Plan 61940-Multi-track Signal Bridges-1916.pdf

PRR Signal Standard MOW Plan S-410-D Dwarf & Pedestal Signals.pdf

PRR Signal Standard MOW Plan S-497-E Signal Foundations 1934.pdf

PRR Specifications for Signal and Interlocking Systems C.E. 234-b(1961).pdf

2/28/218:03 PM

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