Physical Object: Traffic Management Center

TMC Situation Data Management

Overview
Requirements
Information Flows
Standards

Overview

'TMC Situation Data Management' collects, assimilates, and disseminates vehicle probe data collected from roadside short range communications equipment and centers controlling transit vehicles, toll collection points, and route-guided vehicles. It estimates traffic and road conditions based on the aggregated probe data and disseminates this information to other centers.

This functional object is included in the "Traffic Management Center" physical object.

This functional object is included in the following service packages:

TM02: Vehicle-Based Traffic Surveillance

This functional object is mapped to the following Functional View PSpecs:

1.1.2.5: Process Vehicle Situation Data

Requirements

#	Requirement
01	The center shall collect traffic probe data from vehicles via roadside field equipment.
02	The center shall collect road condition data from probe-equipped transit vehicles via transit management centers; the data may be aggregated and preliminarily processed at the sending center.
03	The center shall collect traffic data from traveler information centers based on data from their subscriber vehicles; the data may be aggregated and initial link time calculations performed at the sending center.
04	The center shall collect probe data from payment administrative centers containing travel times between toll collection points for those vehicles equipped for electronic toll collection; the data may be aggregated and processed at the sending center.
05	The center shall collect operational status for the roadside probe data collection equipment.
06	The center shall collect fault data for the roadside probe data collection equipment for repair.

Information Flows

Source	Flow	Destination
Connected Vehicle Roadside Equipment	traffic monitoring application status	Traffic Management Center
Connected Vehicle Roadside Equipment	traffic situation data	Traffic Management Center
Payment Administration Center	toll probe data	Traffic Management Center
Traffic Management Center	road network conditions	Commercial Vehicle Administration Center
Traffic Management Center	road network conditions	Emergency Management Center
Traffic Management Center	road network conditions	Emissions Management Center
Traffic Management Center	road network conditions	Fleet and Freight Management Center
Traffic Management Center	road network conditions	Maint and Constr Management Center
Traffic Management Center	road network conditions	Other Traffic Management Centers
Traffic Management Center	road network conditions	Transit Management Center
Traffic Management Center	road network conditions	Transportation Information Center
Traffic Management Center	situation data collection parameters	Connected Vehicle Roadside Equipment
Traffic Management Center	traffic monitoring application info	Connected Vehicle Roadside Equipment
Transit Management Center	transit probe data	Traffic Management Center
Transportation Information Center	road network traffic situation data	Traffic Management Center
Wireless Communications Provider System	comm-derived travel performance data	Traffic Management Center

Standards

Currently, there are no standards associated with the functional object itself though the interfaces may have standards associated with them.