{"id":{"repo_id":"buffalo","oai_identifier":"oai:ubir.buffalo.edu:10477/79399"},"canonical_url":"https://search.dev.ndltd.org/etd/buffalo/oai:ubir.buffalo.edu:10477/79399","repository":{"repo_id":"buffalo","name":"Buffalo","base_url":"https://ubir.buffalo.edu/oai/request"},"display":{"title":"The Effects of New Bus Designs on Bus Dwell Time and Bus Schedule Adherence When Used by Passengers with Mobility Limitations: An Integrated Approach with Human Subject Experiments and Microscopic Traffic Simulation","abstract":"M.Eng.","abstract_html":"M.Eng.","abstract_has_math":false,"creators":["Mahdavilayen, Milad"],"institution":"State University of New York at Buffalo","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":["He, Qing","Civil, Structural and Environmental Engineering"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019-04-04T20:32:24Z","date_published":"2019-04-04T20:32:24Z","updated_at":"2026-07-27T19:05:16Z","subjects":["transportation"],"languages":["eng"],"rights":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10477/79399","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["He, Qing","Civil, Structural and Environmental Engineering"]},{"key":"dc:creator","label":"Author","values":["Mahdavilayen, Milad"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2019-04-04T20:32:24Z","2019","2019-01-15 11:13:36"]},{"key":"dc:publisher","label":"Institution","values":["State University of New York at Buffalo"]},{"key":"dc:type","label":"Dc Type","values":["Text","Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["transportation"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/10477/79399"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["M.Eng.","Both Bus dwell time and bus headway adherence are critical to the serviceability of bus transit system. It is acknowledged that passengers with physical disabilities will greatly impact the bus dwell time and bus headway adherence. However, the mitigating effects of new bus designs which are in favor of passengers with disabilities have not yet been examined in the literature. This study investigates the impacts of new bus designs with respect to the passengers with physical disabilities on bus dwell time as well as assessing the influence they could have on the bus headway adherence. Based on the data collected from a human subject experiment on a mock bus, first, a regression based decision tree model is employed to predict the bus dwell time regarding to the new bus design factors, including new access ramps and bus layouts, prepaid fare payment types and modern securement system for mobility aid users. Second, a microscopic traffic simulation model is built using VISSIM and the model is validated with field trips. Traffic simulation runs are conducted to discover any possible outcomes on bus delay and travel time. The bus arrival headway adherence information is derived from the VISSIM outputs to observe the headway deviations across different bus designs within heavy and light traffic conditions. According to the evaluation results, the bus dwell time drops dramatically from 180 to 120 seconds (33% reduction) after implementing the new bus designs attributing to the mobility aid users. Beside this, it is also concluded that the deviations of bus headways from the scheduled headways regarding to the new bus design were much smaller than the traditional design of the buses under the light traffic condition. There was a 38 % reduction in headway adherence coefficient under the light traffic condition upon using the new bus design instead of the traditional designs.This study is genuinely meaningful for future design of autonomous vehicles for those with disabilities. Due to the significant reduction achieved in bus dwell time and scoring a smaller variation in headway deviations, it will be desirable for autonomous vehicles to adopt the proposed concepts of this research."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["The Effects of New Bus Designs on Bus Dwell Time and Bus Schedule Adherence When Used by Passengers with Mobility Limitations: An Integrated Approach with Human Subject Experiments and Microscopic Traffic Simulation"]}]}],"canonical_facts":{"dc:contributor":["He, Qing","Civil, Structural and Environmental Engineering"],"dc:creator":["Mahdavilayen, Milad"],"dc:date":["2019-04-04T20:32:24Z","2019","2019-01-15 11:13:36"],"dc:description":["M.Eng.","Both Bus dwell time and bus headway adherence are critical to the serviceability of bus transit system. It is acknowledged that passengers with physical disabilities will greatly impact the bus dwell time and bus headway adherence. However, the mitigating effects of new bus designs which are in favor of passengers with disabilities have not yet been examined in the literature. This study investigates the impacts of new bus designs with respect to the passengers with physical disabilities on bus dwell time as well as assessing the influence they could have on the bus headway adherence. Based on the data collected from a human subject experiment on a mock bus, first, a regression based decision tree model is employed to predict the bus dwell time regarding to the new bus design factors, including new access ramps and bus layouts, prepaid fare payment types and modern securement system for mobility aid users. Second, a microscopic traffic simulation model is built using VISSIM and the model is validated with field trips. Traffic simulation runs are conducted to discover any possible outcomes on bus delay and travel time. The bus arrival headway adherence information is derived from the VISSIM outputs to observe the headway deviations across different bus designs within heavy and light traffic conditions. According to the evaluation results, the bus dwell time drops dramatically from 180 to 120 seconds (33% reduction) after implementing the new bus designs attributing to the mobility aid users. Beside this, it is also concluded that the deviations of bus headways from the scheduled headways regarding to the new bus design were much smaller than the traditional design of the buses under the light traffic condition. There was a 38 % reduction in headway adherence coefficient under the light traffic condition upon using the new bus design instead of the traditional designs.This study is genuinely meaningful for future design of autonomous vehicles for those with disabilities. Due to the significant reduction achieved in bus dwell time and scoring a smaller variation in headway deviations, it will be desirable for autonomous vehicles to adopt the proposed concepts of this research."],"dc:format":["application/pdf"],"dc:identifier":["http://hdl.handle.net/10477/79399"],"dc:language":["eng"],"dc:publisher":["State University of New York at Buffalo"],"dc:rights":["Users of works found in University at Buffalo Institutional Repository (UBIR) are responsible for identifying and contacting the copyright owner for permission to reuse. University at Buffalo Libraries do not manage rights for copyright-protected works and cannot assist with permissions.","Copyright retained by author."],"dc:subject":["transportation"],"dc:title":["The Effects of New Bus Designs on Bus Dwell Time and Bus Schedule Adherence When Used by Passengers with Mobility Limitations: An Integrated Approach with Human Subject Experiments and Microscopic Traffic Simulation"],"dc:type":["Text","Thesis"]},"updated_at":"2026-07-27T19:05:16Z"}