Physical Object: Traffic Management Center
TMC Passive Surveillance
Overview
'TMC Passive Surveillance' collects time stamped vehicle identities from different detection zones, correlates the identities, and calculates link travel times and derives other traffic measures.
This functional object is included in the "Traffic Management Center" physical object.
This functional object is included in the following service packages:
This functional object is mapped to the following Functional View PSpecs:
Requirements
| # | Requirement |
|---|---|
| 01 | The center shall collect time stamped vehicle identities from field equipment. |
| 02 | The center shall correlate the time stamped vehicle identities in order to calculate link travel times and derive other traffic measures. |
Information Flows
| Source | Flow | Destination |
|---|---|---|
| ITS Roadway Equipment | passive vehicle monitoring data | Traffic Management Center |
| Traffic Management Center | passive vehicle monitoring control | ITS Roadway Equipment |
Standards
The following table lists the standards associated with the functional object itself (as opposed to standards associated with an interface).
| Name | Title |
|---|---|
| NEMA TS 8 Cyber and Physical Security | Cyber and Physical Security for Intelligent Transportation Systems |