approaching_train_data

This data flow represents information derived by wayside equipment from on-board train equipment. This information is to alert the HRI that the train is approaching. This data is made available sufficiently early that a train can still be safely stopped if the HRI is unsafe.

train_alert
+ train_direction
+ train_id
+ train_dynamics

Sub Data Flows

• train_alert
• train_direction
• train_dynamics
• train_id

Parent Data Flows

• train_sense_data_for_intersection

Associated PSpecs/Terminators

• 1.6.3.1 - Interact with Wayside Systems
• 1.6.1.1 - Detect Roadway Events