Complex sentence: A full platform length canopy on Platform 1 provides protection for travellers heading east and south to Chester and beyond, but travellers heading north onto Anglesey on Platform 2 have only two bays of canopy to shelter under.
Split into simpler sentences: A full platform length canopy on Platform 1 provides protection for travellers heading east and south to Chester and beyond. Travellers heading north towards Holyhead on Platform 2 have only two bays of canopy to shelter under.