Q-WARN Scenario 3:
Weather Event-Induced Queue
Weather Event-Induced Queue
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Q-WARN App
Data
Collection
Algorithm
Data Environment
Vehicle A
On-board
Sensors
Data
Collection
Data
Broadcast
Algorithm/
Decision
Engine
Vehicle B
On-board
Sensors
Data
Collection
Data
Broadcast
Algorithm/
Decision
Engine
Roadway
Detectors
DMS
VSL
3rd Party Data
Sources
Data Feeds
Weather Feeds
1
1
Vehicle broadcasts status information (speed, heading, location, etc.) and weather-related status information
2
Data
collected in Data Environment
2
3
3
Roadside weather stations and other weather systems provide data to DE
4
Q-WARN app generates speed reduction and queue
warning plan; provides instructions
to affected vehicles
4
5
Vehicles provide appropriate queue warnings to drivers
5
Arterial TMC
DSS
FMS
Freeway TMC
DSS
FMS
Toll System
Border Crossing
Tunnel/SCADA System
Data Feeds
