Transit Vehicle OBE --> Transit Management Center:
transit user information

Definitions

transit user information (Information Flow): Information about individual transit users boarding a transit vehicle, used to track a user's progress on a scheduled transit trip.

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.

Transit Management Center (Destination Physical Object): The 'Transit Management Center' manages transit vehicle fleets and coordinates with other modes and transportation services. It provides operations, maintenance, customer information, planning and management functions for the transit property. It spans distinct central dispatch and garage management systems and supports the spectrum of fixed route, flexible route, paratransit services, transit rail, and bus rapid transit (BRT) service. The physical object's interfaces support communication between transit departments and with other operating entities such as emergency response services and traffic management systems.

Included In

This Triple is in the following Service Packages:

This triple is associated with the following Functional Objects:

This Triple is described by the following Functional View Data Flows:

This Triple has the following triple relationships:

Communication Solutions

Solutions are sorted in ascending Gap Severity order. The Gap Severity is the parenthetical number at the end of the solution.

Selected Solution

(None-Data) - OASIS AMQP over Wireless

Solution Description

This solution is used within the E.U. and the U.S.. It combines standards associated with (None-Data) with those for OASIS AMQP over Wireless. The (None-Data) standards include an unspecified set of standards at the upper layers. The OASIS AMQP over Wireless standards include lower-layer standards that support data distribution of specific types of data over wireless links.

ITS Application Entity
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Mgmt
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Access
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Note that some layers might have alternatives, in which case all of the gap icons associated with every alternative may be shown on the diagram, but the solution severity calculations (and resulting ordering of solutions) includes only the issues associated with the default (i.e., best, least severe) alternative.

Characteristics

Characteristic Value
Time Context Recent
Spatial Context Local
Acknowledgement False
Cardinality Unicast
Initiator Source
Authenticable True
Encrypt True


Interoperability Description
Local In cases where an interface is normally encapsulated by a single stakeholder, interoperability is still desirable, but the motive is vendor independence and the efficiencies and choices that an open standards-based interface provides.

Security

Information Flow Security
  Confidentiality Integrity Availability
Rating Moderate Moderate Moderate
Basis May contain the PII of the originator, which should be readable only by the intended recepient lest the originator's privacy be violated. If the implementation does not provide traveler identity, this may be reduced to LOW. If this is compromised or corrupted, the user's needs may not be properly communicated or met. If this is forged, the transit provider may provide unnecessary services. If this is not available, the user may not receive transit services offered, and as with other transit services may ceases using the system. While the immediate impact is LOW, long term impact is MODERATE due to user confidence issues.


Security Characteristics Value
Authenticable True
Encrypt True