CARTESIUS and CTNET - Integration and Field Operational Test

Michael G. McNally and Craig R. Rindt

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

Abstract: This report describes the conclusion of PATH Task Order 6324: CARTESIUS and CTNET---Field Operational Test. We describe the results of the multi-year project focused on integrating Caltrans primary signal management system, CTNET, with a major product from the Caltrans ATMS Testbed: the Coordinated Adaptive Real-Time Expert System for Incident management in Urban Systems, or more simply, CARTESIUS. The major products of this research include numerous software products for integrating CTNET with field devices, simulation software, with other traffic management systems in general, and with a streamlined re-implementation of the CARTESIUS incident management system. The report details the development of the various software components necessary for external systems with CTNET using both the AB3418e protocol and Tent’s own custom socket-based communications protocol for communications between CTNET clients and the CTNET Commerce. The use of these software components to link CTNET to various systems is described, including a non-standard field infrastructure, the Paramics microsimulation, and the CARTESIUS incident management system. The resulting system is used to evaluate a more deployable re-implementation of CARTESIUS connected to the simulation via CTNET. The results of the evaluation demonstrate that the reimplementation produces performance similar to the original system for a restricted evaluation subset. Further work is necessary to lead to complete deployment, particularly defining requirements that are compatible with existing TMC processes. Nonetheless, the work described in this project represents a step toward a deployable next generation architecture for multi-jurisdictional incident management using existing Caltrans assets.

Keywords: Engineering; Cartesius; CTNET; traffic control; incident management (search for similar items in EconPapers)
Date: 2010-05-01
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