The line between Westbury and Theale will be completely closed between Sat 18 Feb - Thu 2 Mar which means no trains will be calling at intermediate stations: Pewsey, Bedwyn, Hungerford, Kintbury, Newbury, Newbury Racecourse, Thatcham, Midgham and Aldermaston. A rail replacement bus service will be in operation.
More details on the
GWR▸ website:
https://www.gwr.com/travel-information/travel-updates/planned-engineering/newburyApparently, this work is essential to protect the ongoing safety of the route and involves relaying life-expired track, replacing lineside equipment and renewing structures. I do realise this sort of work is essential, but I think it is rather excessive to close such a long section of line for such a long time.