FRANKLIN PARK, Ill. — Metra continues to test some of its SD70MACH locomotives, even as it works the remanufactured freight units into revenue service [see “Metra SD70MACHs begin revenue service,” Trains News Wire, Nov. 30, 2023]. In a relatively rare move, correspondent Chris Guss caught units 504 and 505 operating back-to-back on a test train on Tuesday, Dec. 5, on the Milwaukee West line at Franklin Park, Ill. Metra units are far more likely to operate individually or, if paired, running elephant style, with both units facing forward. The test runs between Metra’s Western Avenue shops and Franklin Park have become fairly frequent events.
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