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ATMS concept of operations and generic system requirements : task B : final interim report for design of support systems for advanced traffic management systems
  • Published Date:
    1993-10-01
  • Language:
    English
Filetype[PDF-1.23 MB]


Details:
  • Corporate Creators:
  • Resource Type:
  • NTL Classification:
    NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS ; NTL-INTELLIGENT TRANSPORTATION SYSTEMS-Roadway Operations and Maintenance ; NTL-OPERATIONS AND TRAFFIC CONTROLS-Traffic Control Devices ; NTL-OPERATIONS AND TRAFFIC CONTROLS-OPERATIONS AND TRAFFIC CONTROLS ;
  • Abstract:
    This document describes the Concept of Operations and Generic System Requirements for the next generation of Traffic Management Centers (TMC). Four major steps comprise the development of this Concept of Operations. The first step was to survey the state-of-the practice to develop a thorough understanding of how traffic networks are currently managed. This review was conducted through interviews with TMC managers, TMC inspection visits, and a literature search and review. The results of this review are documented in a previous report entitled, “Traffic Management Centers - The State-of-the- Practice”. Using the review’s results as a foundation, the second step was to develop a comprehensive list of ATMS functions that would meet the objectives of the Intelligent Vehicle Highway System (IVHS). This list was then used to derive ATMS functional requirements. The functional requirements encompass the generic system requirements, which are higher level requirements identifying critical areas where support systems are essential for effective management and operation of ATMS. The functional requirements served as the baseline for a top-down analysis, the third step, in which each function was analyzed to determine requirements for the information to be input, the necessary processing, and the output information to be produced. Using this list, more detailed analyses were performed to identify ATMS boundaries, the role and assets of ATMS itself, identification of external entities, data and information exchange between ATMS and external entities, and the decomposition of functions within ATMS. A by-product of these analyses, was the identification of ATMS subsystems and support systems and their interrelationships. Finally, the last step was to develop a set of operational scenarios to exercise each of the identified functions in the subsystems. The result of these analyses provides a framework for the design of ATMS support systems.
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