Transit Management Center --> Alternate Mode Transportation Center:
transit alternate mode information

Definitions

transit alternate mode information (Information Flow): Transit schedule information provided for coordination at transit interchange points with alternate modes.

Transit Management Center (Source 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.

Alternate Mode Transportation Center (Destination Physical Object): The 'Alternate Mode Transportation Center' provides the interface through which non-ITS transportation systems (e.g., airlines, ferry services, passenger-carrying heavy rail) can exchange data with ITS. This two-way interface enables coordination for efficient movement of people across multiple transportation modes. It also enables the traveler to efficiently plan itineraries which include segments using other modes.

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

US: GTFS static - Secure Internet (ITS)

Solution Description

This solution is used within Canada and the U.S.. It combines standards associated with US: GTFS static with those for I-I: Secure Internet (ITS). The US: GTFS static standards include upper-layer standards required to implement static, public, transit-related communications. The I-I: Secure Internet (ITS) standards include lower-layer standards that support secure communications between ITS equipment using X.509 or IEEE 1609.2 security certificates.

ITS Application Entity
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GTFS
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Mgmt
Facilities

IETF RFC 7159
ISO 21320-1
IETF RFC 4180
IETF RFC 9110
IETF RFC 9112
Security
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TransNet
Access

Internet Subnet Alternatives
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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 Regional
Acknowledgement True
Cardinality Unicast
Initiator Destination
Authenticable True
Encrypt False


Interoperability Description
National This triple should be implemented consistently within the geopolitical region through which movement is essentially free (e.g., the United States, the European Union).

Security

Information Flow Security
  Confidentiality Integrity Availability
Rating Low Moderate Moderate
Basis Coordination information between transit agencies, if compromised, has no obvious impact. Coordination information between transit agencies needs to be correct, or trip errors (improper dispatch, lack of service) may occur. Some dynamism in this flow, depending on the level of interactivity and coordination, this might be Low.


Security Characteristics Value
Authenticable True
Encrypt False