FGW▸ Live Updates say, 'problems with line-side equipment'. Is that just a catch all phrase or is it being used rather than saying a problem with the track?
Line problem: between London Paddington and Slough.
Owing to a problem with line-side equipment between London Paddington and Slough trains have to run at reduced speed on reading bound lines.Impact:Train services running through these stations may be delayed by up to 10 mins at short notice. Disruption is expected until 23:59 25/11.