A transportation network system: comprising existing dual-mode vehicles facilities operating on existing railway tracks and on existing roadways roads and existing roadway-railway crossings facilities for the transportation, pickup, and drop off of passengers and of goods within and about an urban city environment. Fundamental to this system is the integration of these exiting facilities with incorporation of modern computer marshalling means for operation of the railway-vehicles and of the roadway dual-mode vehicles, having wireless communications and GPS in which means administered are fuzzy logic computer logic engine means and fuzzy logic algorithmic means for save operation of the vehicles on the railway tracks and on the roads and the dual-mode vehicles entry to or egress from the tracks with which to provide an optimised and safe transportation system.