Description

It contains the current suggested speeds and headways being applied by ISA for display to the Driver as the recommended maximum speed and minimum headway.  Separate values shall be provided for the segment of the road network that the Vehicle is occupying and the expected next segment.  The reason(s) for any changes are to be included.

Diagrams

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

DFD 5.13 Provide Vehicle Data and ISA

Target function

5.13.10 Display Current Road Information to Driver

Source function

5.13.8 Provide Suggested Speeds and Headways for ISA