This data flow is sent from the traveler (including users of the transit system) or transit vehicle operator on-board a transit vehicle to the Manage Transit function and includes a silent or audible alarm request for emergency assistance. The data flow contains the following data items each of which is defined in its own DDE:

+ time
+ transit_vehicle_operator_personal_emergency_request
+ traveler_personal_emergency_request_for_transit

Sub Data Flows

Parent Data Flows

Associated PSpecs