Description

It contains the contents of messages that have been output to Drivers concerning exceptional conditions that were detected in tunnels within the urban road network.

Diagrams

The Diagram(s) below is (are) the Diagram(s) where you can find the Dataflow :

DFD 3.1 Provide Traffic Control

DFD 3.1.1 Provide Urban Traffic Management

DFD 3.1.1.5 Provide Urban Traffic Management Faciliti

DFD 3.1.7 Provide Traffic Management for Bridges and Tunnels

Target function

3.1.1 Provide Urban Traffic Management

3.1.1.5 Provide Urban Traffic Management Facilities

3.1.1.5.24 Implement Urban Traffic Strategies

Source function

3.1.7 Provide Traffic Management for Tunnels

3.1.7.1 Assess Tunnel Status and Take Action