alarm acknowledge
Confirmation that alarm was received, instructions and additional information for the alarm initiator, and requests for additional information.
alarm notification
Notification of activation of an audible or silent alarm by a traveler in a public area or by a transit vehicle operator using an on-board device.
bad tag list
List of invalid transit user tags which may have previously failed a fare payment transaction.
fare and payment status
Current fare collection information including the operational status of the fare collection equipment and financial payment transaction data.
fare management information
Transit fare information and transaction data used to manage transit fare processing on the transit vehicle.
remote vehicle disable
Signal used to remotely disable a transit vehicle.
request for bad tag list
Request for list of bad vehicle tag IDs.
request for vehicle measures
Request for vehicle performance and maintenance data collected by onboard sensors.
transit schedule information
Current and projected transit schedule used to develop corrective actions on-board.
transit traveler information
Transit information prepared to support transit users and other travelers. It contains transit schedules, real-time arrival information, fare schedules, alerts and advisories, and general transit service information.
transit traveler request
Request by a Transit traveler to summon assistance, request transit information, or request any other transit services.
transit vehicle conditions
Operating conditions of transit vehicle (e.g., engine running, oil pressure, or mileage).
transit vehicle location data
Current transit vehicle location and related operational conditions data provided by a transit vehicle.
transit vehicle operator authentication information
Information regarding on-board transit operator authentication
transit vehicle operator authentication update
Results of authentication process or update of on-board authentication database.
transit vehicle operator information
Transit service instructions, wide area alerts, traffic information, road conditions, and other information for both transit and paratransit operators.
transit vehicle passenger and use data
Data collected on board the transit vehicle pertaining to availability and/or passenger count.
transit vehicle schedule performance
Estimated times of arrival and anticipated schedule deviations reported by a transit vehicle.