Technology:

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
Dissemination
511
11
Benefits of RWIS
Mobility
Economic Vitality
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
(No Transcript)
19
Technology Implementation Challenges

• Technical
• Universal Standards
• Personnel
• Thresholds

20
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