London Overground Euston - Watford: 6 car trains?
New signs are appearing on London Overground platforms telling drivers
of new Class 378 trains where to stop. It's made me notice that there
are existing markers for 6 car Class 313 trains. Do 6 car Class 313
trains ever operate, perhaps at times of special events at Wembley?
Will 6 car and later 8 car Class 378 trains be possible?
Thanks, Dominic
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