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Lesson 4. Technology: Resources and Implementation. Learning Outcomes. Identify the technical and institutional resources for implementing Road Weather Information Systems (RWIS) Identify key technological resources available to you for making road weather decisions

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Lesson 4

Technology:

Resources and Implementation


Learning Outcomes

  • Identify the technical and institutional resources for implementing Road Weather Information Systems (RWIS)

  • Identify key technological resources available to you for making road weather decisions

  • Identify the challenges faced in implementing road weather technology


Technology

  • Resources

  • Implementation Challenges


RWIS

  • 1970s: Devices first tested on bridges

  • 1980s: Introduced to the general highway environment

  • Today: Refers to a spectrum of resources


Components of RWIS

  • Environmental Sensor Stations

  • Processing Systems

  • Forecasts and Models

  • Dissemination



Types of Data Collected

  • Air temperature

  • Chemical presence in roadway

  • Humidity

  • Pavement temperature

  • Precipitation: amount, rate and type

  • Other?


RWIS Processing Systems

1: Road Sensors

2: Sensors & RPU

3: CPU/Server

4: End User


Forecasts and Models

  • Air temperature

  • Pavement temperature

  • Precipitation

  • Wind forecast

  • Snow accumulation

  • Pavement icing


FOG

AHEAD

Dissemination

511


Benefits of RWIS

Economic Vitality

Mobility

Safety




Additional Resources

  • Thermal Mapping

  • Satellite Imagery

  • Mesonet

  • Decision Support System (DSS)





Technology Implementation Challenges

  • Technical

  • Universal Standards

  • Personnel

  • Thresholds


Review: Learning Outcomes

  • Identify the technical and institutional resources for implementing Road Weather Information Systems (RWIS)

  • Identify key technological resources available to you for making road weather decisions

  • Identify the challenges faced in implementing road weather technology


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