Why? Underground with large overground sections Metro style Depo at Birkenhead. Can use TFW stock for bidston line Can be circular route, similar to Cathcart with to Liverpool loop. Services can be 20mins to 60mins depending at start \ finish point Use of level crossings 4tph on each line making liverpool area traffic heavy Can add RHTT Trains. Class 507, 777 (Era, 2024 to use both) (777 first public owned trains) Hamilton square can add Chester and Ellesmere Port route AI (possible route extensions)