Due to the scale of the programme, lines between Bidston and Wrexham General will be closed, while some lines between Wrexham General and Shrewsbury will also be affected. These upgrades will make the railway more resilient to extreme weather, helping to reduce delays and improve reliability for years to come. Wrexham General – Shrewsbury | Monday 17 – Sunday 30 August– Buses will replace trains between Wrexham General and Shrewsbury, with some services extended to Chester. – Services between Crewe and Wrexham General will operate approximately hourly. – Trains between North Wales, Shrewsbury, Birmingham International and Cardiff Central will be diverted via Crewe, with revised timetables and longer journey times.