It would be a 20 min layover at wrexham, making an hourly service, to Liverpool around the loop and back stopping at every station would take 158min. Wrexham> bidston 62 min, bidston> lime street 17min, line street > bidston > 17min Bidston> Wrexham 62 min. 62+17+17+62=158
Hourly needs a unit...