“Colchester power signalbox” 66704 4E21 with 37 containers 17;08 40L Lea Road 5/11/2025

A Class 66 diesel locomotive, numbered 66704, is shown operating a freight train carrying 37 containers. The train runs under the headcode 4E21 and is operated by GBRF and British Railways. It travels between Felixstowe North and Tinsley Yard, passing through locations including Colchester and Gainsborough Lea Road. No further details about the route or additional context are provided in the metadata.

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