Ayer, MAAll mainline crossover switches at Moore's are now equipped with electric locks therefore eliminating the requirement for the 20 MPH speed restriction. This photo shows an electric lock device used where there is close clearance to an adjacent track.
Photographed by Bruce Nelson, June 7, 2016.
Added to the photo archive by Bruce Nelson, June 7, 2016.
Railroad: MBTA/BM.
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