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A research on the design criteria of subway stations

Öztürk, Özgür
Subway systems are complex infrastructural elements that require the cooperation of various engineering and architectural disciplines. In addition, by being buried, subway stations lack the visibility to be a part of an architectural design concern. However, with their important features in the urban context combined with their high number of users, subway stations should be evaluated as more than dots showing the station locations on the transportation network. As a result, this study develops an alternative look at this significant part of the infrastructural component. This dissertation is aimed to investigate the subway stations from architectural design concerns perspective and challenged the common understanding that claims them to be engineering structures. This study investigates the concept of the subway station from two different viewpoints. First, it presents the developed technical approaches to the design of stations by looking at various national and international technical design guidelines and standards to understand alternative design approaches in the world. Afterward, subway stations dating from the first ones to the contemporary examples are presented to trace the story of the subway station design and to understand alternative design approaches. The findings of the study show us that the current prescriptive method to design a subway station has its problems and pitfalls which keep generating urban underground spaces with solely a technical approach.In other words, the current process for designing subway stations focuses on the related engineering criteria based on standards and technical guidelines. Hence, this study offers suggestions to designers to enhance their station designs and presents a guideline for designing subway stations with a greater focus on the architectural design process. During this study, the COVID-19 pandemic broke out, and the common concepts such as personal space, transportation, and closed spaces changed dramatically. Consequently, this study also looks at how the pandemic has affected our understanding of subway stations and how use of inner-city transportation has changed and will evolve in the future