Train routes between Manchester and Preston will be replaced by a bus service as lines between Manchester and Bolton are electrified.
Only weekend services have been announced to be affected so far, with the work expecting to finish in early November.
Passengers can find more information at northernrail.co.uk.
👷 BOLTON UPDATE: The work between #Manchester and #Preston done by @TheGNRP will mean buses will replace trains at weekends until 4 November. For more details on the improvement work, please check here: https://t.co/PHPZeO6Qfe 👷 pic.twitter.com/3w13KNqBV8
— Northern (@northernassist) August 7, 2018