With its three-hour layover at Wembley overrunning considerably the 05.34 Daventry to Tilbury Freightliner service is seen with 66562 at the head. This regular weekday flow has the curious reporting number of 4Z61. Whilst the 4 is correct (fast freight) Z usually refers to an STP (short term planned) service being more usually associated with charters. As this flow is now regular I wonder if it will revert to a more normal route identifier letter?
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