A Study of Establishing the Evaluation Framework of Wayfinding Design for MRT Stations
|關鍵字:||捷運車站;尋路;評估架構;層級分析法;視線分析法;銜接密度;MRT station;Wayfinding;Evaluation Framework;Analytic Hierarchy Process;Sight Line Analysis;Inter-connection Density|
It can be seen that a lot of interchange stations for MRT will be installed once the long term network has been completed. Most of the interchange stations specifically designed to transfer passengers among lines are located underground. Such a limited space allocation may be a challenge for a complicated functional design especially when connecting and/or routing multiple pairs of OD and may frequently cause problems for passengers to find the ways from their locations to others. MRT station should be well designed to efficiently guide passengers to their destinations in a short period to avoid losing their way. However, few literatures had discussed and applied the wayfinding techniques to terminal design. They were improved only based on some trial-and-error approaches after the terminal was operated. This may result in an increased time and cost. They don’t establish the evaluation model during the planning and/or operational stages. Thus, developing an efficient evaluation model is necessary for the above issue. The major user of terminal is passengers. For this reason, this study mainly considers the service facilities and layout that relate to the various activities of passengers who enter, leave, or transfer in MRT station. To explore the key wayfinding criteria, in-terminal interviewing and passenger flow survey were conducted and statistically analyzed. This study establishes an evaluation framework using Analytic Hierarchy Process to solve the multi-criteria wayfinding design problems. The framework consists of three layers, i.e., spatial layout, guidance sign system, and peripheral assistant facilities. Each layer is associated with a number of evaluation criteria. Each criterion is quantified by a corresponding index by using approaches such as Sight Line Analysis, Inter-connection Density, etc. Scholars and practical experts major in transportation and architecture fields were invited to decide the weight of each criterion. The survey result showed that the spatial layout is a key concern. This study demonstrates the procedure of application to inspect and evaluate the wayfinding design process for Taipei main station and Kuting station. The quantified evaluation framework is used to compare the spatial layouts and possible improvement between designs, and provide suggestions for station re-arrangement. And the end, this study shows the improved suggestions of Taipei main station. The developed approach is found to be capable of inspecting and evaluating various layout designs for MRT stations during planning and/or operational stages. The evaluation results can use as a guide for further layout design of MRT stations.