Based on the alternatives available, platform screen doors in combination with aesthetic changes emerged as the best alternative. Monitoring the effectiveness of implementing the platform screen doors and aesthetic changes will be facilitated by the subway officials. The data of the accidents recorded before the installation of the platform screen doors and after the installation will be compared to measure the effectiveness of the PSDs in reducing accidents in the subway. The air quality will also be measured to establish the effect of the PSDs in improving the air quality in the subway. The concentration of particulate matter and oxides of Nitrogen in the subway station should be measure to determine the effectiveness of PSDs in improving the air quality in the subway stations. The effect of the PSDs in reducing delays in the subway system should also be measured. This is because PSDs are expected to keep the trash off the tracks hence reducing delays caused by the need to have subway workers to clean the tracks. Therefore, the respective data regarding the effectiveness of PSDs shall be compiled and analyzed.
The effectiveness of the implementation of aesthetic changes will be evaluated by conducting online surveys of passengers on the MTA website. The passengers will be asked to comment on the perceived effects of the aesthetic changes in terms of comfort, convenience and visibility. The responses of the passengers will help in evaluating the effectiveness of the aesthetic changes in improving the satisfaction of the passengers regarding the services offered at the subway station. The improvements in lighting, directional signs and introduction of utilities such as mobile devices charges and system wide Wi-Fi are expected to enhance the experiences of the passengers using the subway. Therefore, the qualitative data obtained from passenger surveys will provide the necessary information required to maintain or improve the aesthetic changes. Therefore, based on the quantitative data collected regarding the PSDs and experiences of the passengers about the aesthetic changes, it will be possible to gauge the effectiveness of the alternative.
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