Applications of Connected Vehicle Infrastructure Technologies to Enhance Transit Service Efficiency and Safety, Part 2
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Many transit agencies provide real-time operational information and trip-planning tools through phone, Web, and smartphone applications. These services utilize a one-way information flow from transit agencies to transit users. Current smartphone technology and connected vehicle infrastructure (CVI), however, can allow a two-directional information flow from users to transit agencies and back. This report provides a literature review on the state of current transit apps; proposes a system architecture for a smartphone app that allows for dynamic flexible routing and increased transit user safety; and presents the results of a survey conducted on the perception and acceptability of the model app. Survey results were analyzed in terms of safety, efficiency, and privacy for different demographic, travel behavior, and geographic characteristics. Results showed that users did not significantly consider the privacy issues (7.1 on a scale from 1 [least acceptable] to 10 [most acceptable]) but believed that it could improve nighttime safety (7.3/10.0). Users believed that the app could improve nighttime pedestrian safety if it were connected to the police department (7.8/10.0). This app was also expected to improve transit efficiency and increase ridership, and is eventually recommendable (7.3/10.0). The least expected improvement was daytime safety (6.4/10.0), which is reasonable and expectable.