Long before Waltham Tower became a landmark as the last active interlocking tower in Boston & Maine territory, a pair of RDCs glides past on the way to South Acton with a midday run.

Photographed by Tom Nelligan, May, 1971.
Added to the photo archive by Tom Nelligan, April 9, 2017.
Railroad: Boston & Maine.

Tom Nelligan's awards:

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