Personal Information Device --> Transportation Information Center:
trip request
Definitions
trip request (Information Flow): Request for trip planning services that identifies the trip origin, destination(s), timing, preferences, and constraints. The request may also include the requestor's location or a request for transit and parking reservations, electric charging station access, and ridesharing options associated with the trip. The trip request also covers requests to revise a previously planned trip and interim updates that are provided as the trip is interactively planned.
Personal Information Device (Source Physical Object): The 'Personal Information Device' provides the capability for travelers to receive formatted traveler information wherever they are. Capabilities include traveler information, trip planning, and route guidance. Frequently a smart phone, the Personal Information Device provides travelers with the capability to receive route planning and other personally focused transportation services from the infrastructure in the field, at home, at work, or while en-route. Personal Information Devices may operate independently or may be linked with vehicle on-board equipment. This subsystem also supports safety related services with the capability to broadcast safety messages and initiate a distress signal or request for help.
Transportation Information Center (Destination Physical Object): The 'Transportation Information Center' collects, processes, stores, and disseminates transportation information to system operators and the traveling public. The physical object can play several different roles in an integrated ITS. In one role, the TIC provides a data collection, fusing, and repackaging function, collecting information from transportation system operators and redistributing this information to other system operators in the region and other TICs. In this information redistribution role, the TIC provides a bridge between the various transportation systems that produce the information and the other TICs and their subscribers that use the information. The second role of a TIC is focused on delivery of traveler information to subscribers and the public at large. Information provided includes basic advisories, traffic and road conditions, transit schedule information, yellow pages information, ride matching information, and parking information. The TIC is commonly implemented as a website or a web-based application service, but it represents any traveler information distribution service.
Included In
This Triple is in the following Service Packages:
- PM05: Parking Reservations
- PT03: Dynamic Transit Operations
- TI03: En-Route Guidance
- TI04: Trip Planning and Payment
- TI06: Shared Use Mobility and Dynamic Ridesharing
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:
Relationship | Source | Destination | Flow |
---|---|---|---|
Request-Response | Transportation Information Center | Personal Information Device | trip plan |
Communication Solutions
-
US: ATIS - Secure Wireless Internet (ITS) (21)
-
(None-Data) - Secure Wireless Internet (EU) (32)
Selected Solution
![](../../images/flags/us.png)
Solution Description
ITS Application Entity
![]() ![]() ![]() ![]() SAE J2353 ![]() |
Click gap icons for more info.
|
||
Mgmt
|
Facilities
![]() ![]() |
Security
![]() ![]() |
|
TransNet
|
|||
Access
![]() ![]() ![]() |
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 | Source |
Authenticable | True |
Encrypt | True |
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 | Moderate | Moderate | Moderate | |
Basis | Predictive of traveler location, includes traveler identity. A third party with hostile intent toward the traveler could use this information against the traveler. | If this data is corrupted, the TIC may not understand the traveler's intent and not properly serve the traveler. | This flow initiates an carp-pooling service. If it doesn't work, the car-pooling service doesn't work. |
Security Characteristics | Value |
---|---|
Authenticable | True |
Encrypt | True |