Design and subsequently validate a proposed rail network system for the City of Cardiff. Develop a conceptual plan the system that will entice commuters from their vehicles and use the transportation system to its fullest extent.

Rail network system for the City of Cardiff.

Design and subsequently validate a proposed rail network system for the City of Cardiff. You are to develop a conceptual plan the system that will entice commuters from their vehicles and use the transportation system to its fullest extent.