traveler_personal_rail_crossing_data

This data flow is used within the Provide Driver and Traveler Services function. It contains train data acquired from wayside equipment, rail operations, and traffic devices to warn travelers about highway rail intersection (HRI) conditions. The data flow consists of the following data items each of which is defined in its own DDE:

crossing_id
+ approaching_train_data
+ wayside_status
+ rail_crossing_warning

Sub Data Flows

• approaching_train_data
• crossing_id
• rail_crossing_warning
• wayside_status

Parent Data Flows

• None

Associated PSpecs/Terminators

• 6.5.2 - Provide Interactive Data Interface
• 6.8.3.6 - Provide Personal Safety Messages

Parent Information Flows

• rail crossing warning