In order to cope with the urban expansion areas of Bangkok, the plan for public transport has to extend together with
building up the new road networks. The diagrams show the future public transport network map of Bangkok with various modals.
The higher demanded areas will be served with the more advance public transport mode as a nature of the city development that
is follow the market. In contrast, the lower profitable areas will have less public transport services. The map shows catchment
areas of the public transport systems of Bangkok in the future. (of the distance of 250 m. radius-or 5 minutes by walk) The center
area will be well served but lacking in the periphery areas.