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Implementing RWIS Technology for Road Weather Decisions

Explore resources & challenges in implementing Road Weather Information Systems (RWIS) technology. Identify sensors, processing systems, forecasts, and dissemination methods for weather data. Review key technological resources & learn about the economic, mobility, safety benefits of RWIS. Discover additional resources like thermal mapping, satellite imagery, and mesonets. Delve into the technical implementation challenges and the importance of universal standards and trained personnel. Master the tools for making informed road weather decisions.

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Implementing RWIS Technology for Road Weather Decisions

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  1. Lesson 4 Technology: Resources and Implementation

  2. 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

  3. Technology • Resources • Implementation Challenges

  4. RWIS • 1970s: Devices first tested on bridges • 1980s: Introduced to the general highway environment • Today: Refers to a spectrum of resources

  5. Components of RWIS • Environmental Sensor Stations • Processing Systems • Forecasts and Models • Dissemination

  6. Environmental Sensor Station

  7. Types of Data Collected • Air temperature • Chemical presence in roadway • Humidity • Pavement temperature • Precipitation: amount, rate and type • Other?

  8. RWIS Processing Systems 1: Road Sensors 2: Sensors & RPU 3: CPU/Server 4: End User

  9. Forecasts and Models • Air temperature • Pavement temperature • Precipitation • Wind forecast • Snow accumulation • Pavement icing

  10. FOG AHEAD Dissemination 511

  11. Benefits of RWIS Economic Vitality Mobility Safety

  12. Data Sharing Issue: RWIS

  13. RWIS Review

  14. Additional Resources • Thermal Mapping • Satellite Imagery • Mesonet • Decision Support System (DSS)

  15. Thermal Mapping

  16. Satellite Imagery

  17. Mesonets

  18. Technology Implementation Challenges • Technical • Universal Standards • Personnel • Thresholds

  19. 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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