A 30-foot-wide, 160-foot-long tunnel once used by passenger and freight trains in Baltimore will soon hold a portion of a $40 million, 6,000-foot sewer line, writes Jacques Kelly. Contractors building a sewer tunnel that will serve residents in north Baltimore said the old rail tunnel, built in the 1920s, remains in good condition. Using the tunnel allowed them to avoid additional excavation, Kelly notes.

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