Transit signal priority in a connected vehicle environment: User throughput and schedule delay optimization approach

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Abstract

Transit signal priority (TSP) is a common strategy to improve bus right-of-way at signalized intersections. However, TSP systems have several challenges, such as negative externalities for non-transit users, and handling conflicting priority requests. Considering recent advances in connected vehicle technology, we propose a user-based signal priority strategy (UST) to facilitate bus movement at intersections while minimizing adverse effects to non-transit users. Additionally, we extend UST by minimizing bus scheduled delay (UST-SD) to compensate bus delay that is caused by network congestion. We compare UST and UST-SD with a conventional TSP ring barrier controller (RBC) at an isolated signalized intersection in a microscopic simulation environment. The findings show that the proposed strategy improves user and vehicle performance measures while providing priority for buses.
Original languageEnglish
Title of host publication2020 Forum on Integrated and Sustainable Transportation Systems, FISTS 2020
PublisherIEEE
Pages252-257
Number of pages6
ISBN (Electronic)978-1-7281-9503-2
DOIs
Publication statusPublished - 3 Nov 2020
MoE publication typeA4 Article in a conference publication
EventIEEE Forum on Integrated and Sustainable Transportation Systems - Delft, Netherlands
Duration: 3 Nov 20205 Nov 2020

Conference

ConferenceIEEE Forum on Integrated and Sustainable Transportation Systems
Abbreviated titleFISTS
CountryNetherlands
CityDelft
Period03/11/202005/11/2020

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