Interface: ETHRA Transit Dispatch Center - ETHRA Fixed Route Vehicles
![ETHRA Transit Dispatch Center to ETHRA Fixed Route Vehicles Interface Diagram](../../images/ifs/if24-89.gif)
Architecture Flow Definitions
alarm acknowledge (Planned) Applicable ITS Standards
Confirmation that alarm was received, instructions and additional information for the alarm initiator, and requests for additional information.
alarm notification (Planned) Applicable ITS Standards
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.
fare collection data (Planned) Applicable ITS Standards
Fare collection information including the summary of on-board fare system data and financial payment transaction data.
fare management information (Planned) Applicable ITS Standards
Transit fare information and transaction data used to manage transit fare processing on the transit vehicle.
request for vehicle measures (Planned) Applicable ITS Standards
Request for vehicle performance and maintenance data collected by onboard sensors.
transit schedule information (Planned) Applicable ITS Standards
Current and projected transit schedule information used to initialize the transit vehicle with a vehicle assignment, monitor schedule performance, and develop corrective actions on-board.
transit traveler information (Planned) Applicable ITS Standards
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 vehicle conditions (Planned) Applicable ITS Standards
Operating conditions of transit vehicle (e.g., engine running, oil pressure, fuel level and usage).
transit vehicle loading data (Planned) Applicable ITS Standards
Data collected on board the transit vehicle relating to passenger boarding and alighting.
transit vehicle location data (Planned) Applicable ITS Standards
Current transit vehicle location and related operational conditions data provided by a transit vehicle.
transit vehicle operator information (Planned) Applicable ITS Standards
Transit service instructions, wide area alerts, traffic information, road conditions, and other information for both transit and paratransit operators.
transit vehicle schedule performance (Planned) Applicable ITS Standards
Estimated times of arrival and anticipated schedule deviations reported by a transit vehicle.