It was dark, but 37s on a test train, not to be missed. 1Q16 Swansea – Derby. It was following close behind a stopping train, probably previous signals on amber so it was approaching slowly in case the Cradley signal was red. Once the driver got a clear view of the amber signal the 37s made a great noise as they accelerated through the station, only to shut off soon after passing through the station. Sounded great on the video!!

Link to YouTube video or link to photos in gallery.

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37254 leading

37025 at the rear