Lesson 4
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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

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Lesson 4

Lesson 4

Technology:

Resources and Implementation


Lesson 4

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


Lesson 4

Technology

  • Resources

  • Implementation Challenges


Lesson 4

RWIS

  • 1970s: Devices first tested on bridges

  • 1980s: Introduced to the general highway environment

  • Today: Refers to a spectrum of resources


Lesson 4

Components of RWIS

  • Environmental Sensor Stations

  • Processing Systems

  • Forecasts and Models

  • Dissemination


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Environmental Sensor Station


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Types of Data Collected

  • Air temperature

  • Chemical presence in roadway

  • Humidity

  • Pavement temperature

  • Precipitation: amount, rate and type

  • Other?


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RWIS Processing Systems

1: Road Sensors

2: Sensors & RPU

3: CPU/Server

4: End User


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Forecasts and Models

  • Air temperature

  • Pavement temperature

  • Precipitation

  • Wind forecast

  • Snow accumulation

  • Pavement icing


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FOG

AHEAD

Dissemination

511


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Benefits of RWIS

Economic Vitality

Mobility

Safety


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Data Sharing Issue: RWIS


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RWIS Review


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Additional Resources

  • Thermal Mapping

  • Satellite Imagery

  • Mesonet

  • Decision Support System (DSS)


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Thermal Mapping


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Satellite Imagery


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Mesonets


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Technology Implementation Challenges

  • Technical

  • Universal Standards

  • Personnel

  • Thresholds


Lesson 4

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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