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Laboratory Evaluation of Real‐Time Dynamic Traffic Assignment Systems
The success of Advanced Traffic Management Systems (ATMS) and Advanced Traveler Information Systems (ATIS) depends on the availability and dissemination of timely and accurate estimates of prevailing and emerging traffic conditions, as well as the provision of faithful and coherent pretrip and en‐route travel information and advisory to travelers. Real‐time Dynamic Traffic Assignment (DTA) systems, envisioned as an ATMS support system that resides in transportation management centers, are being developed to supply these estimates and information. To ensure the deployment potential of such DTA systems in the field, extensive laboratory evaluations are required throughout the development process. This article discusses a software environment that economically supports the development and evaluation of DTA systems. A major simulation component developed under this environment is called a DTA evaluation system (DES). The DES is a virtual representation of a transportation system in which ATMS and ATIS technologies are deployed. It simulates the trip‐making and vehicle‐driving behaviors of travelers in response to real‐time information and advisories from ATIS and ATMS. This article presents (1) major DES modeling capabilities required for developing and evaluating DTA systems, (2) a modular and extensible modeling framework for the DES, and (3) a top‐level, object‐oriented, and distributed DES design.
Laboratory Evaluation of Real‐Time Dynamic Traffic Assignment Systems
The success of Advanced Traffic Management Systems (ATMS) and Advanced Traveler Information Systems (ATIS) depends on the availability and dissemination of timely and accurate estimates of prevailing and emerging traffic conditions, as well as the provision of faithful and coherent pretrip and en‐route travel information and advisory to travelers. Real‐time Dynamic Traffic Assignment (DTA) systems, envisioned as an ATMS support system that resides in transportation management centers, are being developed to supply these estimates and information. To ensure the deployment potential of such DTA systems in the field, extensive laboratory evaluations are required throughout the development process. This article discusses a software environment that economically supports the development and evaluation of DTA systems. A major simulation component developed under this environment is called a DTA evaluation system (DES). The DES is a virtual representation of a transportation system in which ATMS and ATIS technologies are deployed. It simulates the trip‐making and vehicle‐driving behaviors of travelers in response to real‐time information and advisories from ATIS and ATMS. This article presents (1) major DES modeling capabilities required for developing and evaluating DTA systems, (2) a modular and extensible modeling framework for the DES, and (3) a top‐level, object‐oriented, and distributed DES design.
Laboratory Evaluation of Real‐Time Dynamic Traffic Assignment Systems
Miaou, Shaw‐Pin (author) / Summers, Mike S. (author) / Lieu, Henry C. (author)
Computer‐Aided Civil and Infrastructure Engineering ; 14 ; 281-298
1999-07-01
18 pages
Article (Journal)
Electronic Resource
English
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