BS ISO 37157:2018,Smart community infrastructures — Smart transportation for compact cities.BS ISO 37157:2018 pdf free download here.
ISO 37157:2018 describes criteria to help plan or organize smart transportation for compact cities. It is intended to apply to cities facing a decline in population. Smart transportation can be applied to the issue of population loss as a means of attracting people back to the city.
A compact city is an urban design concept that invites people back to a small area in a city where the population has decreased or is decreasing. Modal shifts of passengers from public to private transportation have resulted in people moving out of the city centre into the suburbs, since private transportation enables movement without dependent time schedules and fixed routes. The problem associated with public transportation are mainly related to station or stop intervals, service frequency, approaches to stations/stops and service routes and networks. Furthermore, large-scale shopping alls and hospitals are frequently constructed outside cities. Such a situation accelerates the out flow of residents, resulting in the de-urbanization of city centres. Downtown, the public realm and community safety fall into decline, causing more people to move out to the suburbs. This negative spiral continues, changing the character of a city.
One way to pre-empt the deterioration of a city centre is through the creation of a compact city. The concept behind compact cities is that facilities for citizens, such as shopping malls, offices and hospitals, are placed in a small target areas. These facilities are connected to one another by short-interval, high frequency public transportation which can be easily accessed by citizens. Additionally, this type of transportation reconnects citizens living in the suburbs to the urban centre, with service lines laid radially in relation to the suburbs surrounding the area. This transportation network successfully attracts people into a target area from its periphery and retains them therein. This is a solution to the problem of declining city centres, utilizing smart transportation to resuscitate small downtown areas. This document describes a way to organize smart transportation to create a compact city that regenerates a declining urban centre and rejuvenates its economic, physical and social infrastructure.

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