Transit Vehicle OBE --> Traveler:
traveler interface updates
Definitions
traveler interface updates (Information Flow): Visual or audio information (e.g., routes, messages, guidance, emergency information) that is provided to the traveler.
Transit Vehicle OBE (Source Physical Object): The 'Transit Vehicle On-Board Equipment' (OBE) resides in a transit vehicle and provides the sensory, processing, storage, and communications functions necessary to support safe and efficient movement of passengers. The types of transit vehicles containing this physical object include buses, paratransit vehicles, light rail vehicles, other vehicles designed to carry passengers, and supervisory vehicles. It collects ridership levels and supports electronic fare collection. It supports a traffic signal prioritization function that communicates with the roadside physical object to improve on-schedule performance. Automated vehicle location enhances the information available to the transit operator enabling more efficient operations. On-board sensors support transit vehicle maintenance. The physical object supports on-board security and safety monitoring. This monitoring includes transit user or vehicle operator activated alarms (silent or audible), as well as surveillance and sensor equipment. The surveillance equipment includes video (e.g. CCTV cameras), audio systems and/or event recorder systems. It also furnishes travelers with real-time travel information, continuously updated schedules, transfer options, routes, and fares. A separate 'Vehicle OBE' physical object supports the general vehicle safety and driver information capabilities that apply to all vehicles, including transit vehicles. The Transit Vehicle OBE supplements these general capabilities with capabilities that are specific to transit vehicles.
Traveler (Destination Physical Object): The 'Traveler' represents any individual who uses transportation services. The interfaces to the traveler provide general pre-trip and en-route information supporting trip planning, personal guidance, and requests for assistance in an emergency that are relevant to all transportation system users. It also represents users of a public transportation system and addresses interfaces these users have within a transit vehicle or at transit facilities such as roadside stops and transit centers.
Included In
This Triple is in the following Service Packages:
- PS10: Wide-Area Alert
- PT04: Transit Fare Collection Management
- PT05: Transit Security
- PT08: Transit Traveler Information
- PT16: Route ID for the Visually Impaired
This triple is associated with the following Functional Objects:
- Transit Vehicle On-Board Fare Management
- Transit Vehicle On-Board Information Services
- Transit Vehicle Security
This Triple is described by the following Functional View Data Flows:
- tt-advisory_information
- tt-other_services_vehicle_confirmed
- tt-secure_transit_vehicle_broadcast_message
- tt-secure_transit_vehicle_emergency_response
- tt-traveler_information
- tt-vehicle_access_message
- tt-vehicle_payment_confirmed
This Triple has the following triple relationships:
| None |
Communication Solutions
No communications solutions identified.Characteristics
| None defined |
| Interoperability | Description |
|---|---|
| Not Applicable | Interoperability ratings don't apply per se to some types of interfaces like human interfaces. These interfaces may still benefit from associated standards (e.g., ergonomic and human factors standards for human interfaces), but the primary motive for these standards is not interoperability. |
Security
| Information Flow Security | ||||
|---|---|---|---|---|
| Confidentiality | Integrity | Availability | ||
| Rating | Not Applicable | Moderate | Moderate | |
| Basis | This data is informing the vehicle of operational information that is relevant to the operation of the vehicle. It should not contain anything sensitive, and does not matter if another person can observe it. | Should be accurate as the Traveler will be relying on this information for routing and related choices. Lack of accuracy will result in lack of confidence from the traveler as well as an unsatisfactory trip, leading to a negative feedback spiral. | Users expect their devices to work. If information is not presented to the operator, the relevant applications simply won't be used. | |