Complex sentence: This would provide a second rail route between Liverpool and Wrexham, this one running via Chester (Providing express Liverpool to Chester services), and would permit the introduction of new direct services from Liverpool to Llandudno and other parts of North Wales.
Split into simpler sentences: This would provide a second rail route between Liverpool and Wrexham. This route running via Chester would provide an express Liverpool to Chester service, and would permit the introduction of new direct services from Liverpool to Llandudno and other parts of North Wales.