Future direction of the roadway weather information system (RWIS) at PennDOT.
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Future direction of the roadway weather information system (RWIS) at PennDOT.

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    • Abstract:
      Weather events have a significant impact on our transportation network. Motorist safety can be jeopardized if roadways are not

      maintained in the most efficient method possible or if motorists are uninformed about roadway conditions. Mobility can be

      impacted by weather-related incidents, and weather conditions may slow traffic resulting in lower operational levels of service.

      Additionally, weather can impact the productivity of public agencies and private business resulting in additional economic burdens.

      One way to address these weather impacts is through roadway weather management practices as well as other operational

      strategies to advise agencies and motorists, control/regulate roadway conditions, and treat roadways efficiently. All of these

      strategies rely on gathering accurate information, processing data quickly and efficiently, and disseminating that information to

      stakeholders in a format that supports their needs. Roadway Weather Information Systems (RWIS) may provide situational

      awareness of roadway weather conditions that when combined with other information and decision making tools would allow

      decision makers to implement the appropriate advisory, control and/or treatment strategy.

      The future direction of the RWIS program must consider what is needed in order to manage roadway weather maintenance and

      transportation operations including emergency management activities. Decision makers need to have access to the same

      information and resources so that they can introduce the right combination of strategies. Communication, coordination tools and

      management practices need to be adopted that allow advisory, control and treatment strategies to be implemented in a

      coordinated manner. This guided the suggested direction presented below.

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