twe-stop_train_indication

This data flow provides a real-time indication that a highway grade crossing is obstructed or otherwise closed and all trains must stop prior to entering it. Alternative indications to full stop are possible, i.e. proceed at reduced speed - prepared to stop.

Sub Data Flows

• Primitive Element

Parent Data Flows

• To_Wayside_Equipment

Associated PSpecs/Terminators

• 1.6.3.1 - Interact with Wayside Systems
• Wayside Equipment

Parent Information Flows

• rail crossing blockage notification