Interface: City of Chicago TMC - Chicago Transit Authority Control Center

City of Chicago TMC to Chicago Transit Authority Control Center Interface Diagram

Architecture Flow Definitions

incident information  (Existing)  

Information on incidents

road network conditions  (Planned)  Applicable ITS Standards

Current and forecasted traffic information, road and weather conditions, and other road network status. Either raw data, processed data, or some combination of both may be provided by this flow. Information on diversions and alternate routes, closures, and special traffic restrictions (lane/shoulder use, weight restrictions, width restrictions, HOV requirements) in effect is included.

traffic control priority request  (Planned)  Applicable ITS Standards

Request for signal priority at one or more intersections along a particular route.

traffic control priority status  (Planned)  Applicable ITS Standards

Status of signal priority request functions at the roadside (e.g., enabled or disabled).

transit system data  (Planned)  Applicable ITS Standards

Current transit system operations information indicating current transit routes, the level of service on each route, and the progress of individual vehicles along their routes for use in forecasting demand and estimating current transportation network performance.

video images  (Existing)  

Images from Closed Circuit Television