GWR’s unusual route to keep trains running during Paddington closure this Christmas

GWR passengers are getting an early warning that there won’t be trains between Reading and Paddington over a couple of weekends later this year. However, to keep passengers moving, some will be diverted to Euston instead, creating a particularly interesting rail diversion.
GWR train at Euston (test train on 4th Sept 2026)
It’s all because repairs to the interestingly named Dolphin Junction will cut rail traffic just outside Slough. The junction allows fast and slow trains to cross be