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Virginia Department of Transportation HAR Operational Guidelines
These guidelines have been developed to help Virginia Department of Transportation (VDOT) personnel effectively operate highway advisory radio (HAR) systems. The guidelines are organized in five sections: personnel, transmitter placement, advisory signing, message development, and equipment maintenance. Each section contains information that applies to both portable and permanent HAR. Appendices A and B contain sample HAR messages for incident and non-incident situations. Appendix C includes information on maintaining and updating the guidelines. The guidelines are based on research reported by the Virginia Transportation Research Council in An Investigation of Operational Procedures for Highway Advisory Radio.
Development of Incident Data Collection Standards for Virginia Department of Transportation Freeway Operations
The effective management of incidents is necessary in order to maintain efficient freeway operations. Within the Virginia Department of Transportation (VDOT), there are a number of units responsible for supporting incident management. These groups collect data describing the incidents they manage in order to facilitate real-time coordination and to allow for post-event analysis to improve incident management practices. However, the units generally collect different data elements and describe incident characteristics in different ways. This significantly reduces the value of these data. The purpose of this research project was to develop statewide incident data collection standards for use in...
