Relieve Congestion and Conflicts Between Railroad and Light Rail Grade-Crossing Intersections

Wei-Bin Zhang, Meng Li, Guoyuan Wu, Kun Zhou and Fanping Bu

Institute of Transportation Studies, Research Reports, Working Papers, Proceedings from Institute of Transportation Studies, UC Berkeley

Abstract: This report specifically summarizes the work that the PATH team has performed at this stage of Task Order 6407 in continuation of previous Task Order 5407. We have conducted an in-depth study of problems associated with grade crossingsfor this project. We started from the system design based on the proposed adaptive trolley signal priority (ATSP) system. The system is designed for large-scale field implementation of the ATSP system. It consists of three sub-systems: onboard sub-system, roadside control sub-system and central control sub-system. The system input and output diagram is based on the previous developed algorithm and programs. We designed and conducted the laboratory testing for the ATSP system. The laboratory setting is the step prior to field operational testing of the proposed ATSP system in San Diego. The objective of the laboratory testing is to testify and demonstrate the applicability of the proposed system, particularly the communication system and the traffic signal operation system in San Diego, i.e. the QuicNet/4 central control system in the Transportation Management Center (TMC) and Type 170 controllers at roadside running McCain’s Bitran 233 control software. There are two steps in the laboratory testing. The first step is to show the proposed system in an entirely closed laboratory environment. The second step is to move the testing one step closer to the FOT environment and involves field signal operation systems and the actual communication system.

Keywords: Engineering (search for similar items in EconPapers)
Date: 2010-05-01
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