Guidelines for deploying connected vehicle-enabled weather responsive traffic management strategies.
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2016-11-01
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Abstract:State and local Departments of Transportation (DOTs) are interested in providing effective traffic management and operations strategies to mitigate the roadway mobility and safety problems due to adverse weather. Weather Responsive Traffic Management (WRTM) strategies such as variable speed limits, vehicle restrictions, signal timing, and traffic advisories are used today to provide travelers with advanced temporal and spatial notification of hazardous conditions that may be encountered as well as appropriate actions to take in response to the existing or forecast weather conditions.
Improved connectivity between the transportation infrastructure and vehicles and among vehicles themselves presents unique capabilities to enhance these WTRM strategies by: (1) enabling communication (i.e., transfer of data) between and across users and transportation agencies; (2) expanding the coverage of the transportation network; and (3) providing more disaggregated information on the network.
Connected Vehicle-Enabled WRTM (CV-WRTM) is an approach that leverages this connectivity to develop and implement advanced capabilities for WRTM. Moving to this next generation of WRTM can take on different forms. This document identifies and describes three distinct, but related, pathways that could be taken.
1. Pathway 1- Intelligent Agency Fleets
2. Pathway 2- Connected Vehicles
3. Pathway 3- Connected Third Party Fleet Services and Connected Travelers
This document provides high-level guidelines on advancing connected vehicle enabled WRTM using these three implementation pathways. More detailed concepts and procedures for selected CV-WRTM Applications are provided to illustrate the pathways.
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