1. 4-1 Lesson 4 Technology: Resources and Implementation

2. 4-2 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. 4-3 Technology Resources Implementation Challenges

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

5. 4-5 Components of RWIS Environmental Sensor Stations Processing Systems Forecasts and Models Dissemination

6. 4-6 Environmental Sensor Station

7. 4-7 Types of Data Collected Air temperature Chemical presence in roadway Humidity Pavement temperature Precipitation: amount, rate and type Other?

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

9. 4-9 Forecasts and Models Air temperature Pavement temperature Precipitation Wind forecast Snow accumulation Pavement icing

10. 4-10 Dissemination FOG AHEAD 511

11. 4-11 Benefits of RWIS Safety MobilityEconomic Vitality

12. 4-12 Data Sharing Issue: RWIS

13. 4-13 RWIS Review

14. 4-14 Additional Resources Thermal Mapping Satellite Imagery Mesonet Decision Support System (DSS)

15. 4-15 Thermal Mapping

16. 4-16 Satellite Imagery

17. 4-17 Mesonets

18. 4-18

19. 4-19 Technology Implementation Challenges Technical Universal Standards Personnel Thresholds

20. 4-20 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 Review: Learning Outcomes