Multi-Access Edge Computing --> Transit Vehicle OBE:
intersection status
This flow may also be implemented by
Connected Vehicle Roadside Equipment --> Transit Vehicle OBE: intersection status Definitions
intersection status (Information Flow): Current signal phase and timing information for all lanes at a signalized intersection. This flow identifies active lanes and lanes that are being stopped and specifies the length of time that the current state will persist for each lane. It also identifies signal priority and preemption status and pedestrian crossing status information where applicable. It may also include future signal phase and timing information.
Multi-Access Edge Computing (Source Physical Object): 'Multi-Access Edge Computing' ((MEC) previously known as mobile edge computing) represents computing devices that operate and are managed like a cloud server, but are deployed at the edge of a network (typically a cellular network, but it could be any network). While not in strict proximity to the transportation network, these systems do benefit from vastly decreased distances to the roadway compared to central systems, and so can provide lower latency than strictly backoffice systems
Transit Vehicle OBE (Destination 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.
This Triple is an instantiation of the more general triple:
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:
- None
This Triple has the following triple relationships:
| None |
This Triple is an instantiation of the more general triple:
Communication Solutions
-
US: SAE Other J2735 - Secure Wireless Internet (ITS) (20)
-
(None-Data) - Secure Wireless Internet (ITS) (43)
-
(None-Data) - Secure Wireless Internet (EU) (43)
Selected Solution
(None-Data) - Secure Wireless Internet (ITS)Solution Description
|
ITS Application Entity
![]() ![]()
Development needed ![]() |
Click gap icons for more info.
|
||
|
Mgmt
|
Facilities
Development needed ![]() |
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.
This Triple is an instantiation of the more general triple:
Characteristics
| Characteristic | Value |
|---|---|
| Time Context | Now |
| Spatial Context | Adjacent |
| Acknowledgement | False |
| Cardinality | Unicast |
| Initiator | Source |
| 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). |
This Triple is an instantiation of the more general triple:
Security
| Information Flow Security | ||||
|---|---|---|---|---|
| Confidentiality | Integrity | Availability | ||
| Rating | Not Applicable | High | Moderate | |
| Basis | This data is distributed using a variety of mechanisms, some of which are localized broadcast; it is desireable that all potential users get this information. | If this flow is not accurate or delivered in a timely fashion then a large variety of mobility and safety services that depend on it will not work properly. | If this flow is not accurate or delivered in a timely fashion then a large variety of mobility and safety services that depend on it will not work properly. | |
| Security Characteristics | Value |
|---|---|
| Authenticable | True |
| Encrypt | False |




