1.1.3: Generate Predictive Traffic Model

This process shall be responsible for continually producing and updating a predictive model of the traffic flow conditions in the road or freeway network served by the Manage Traffic function that an instance of this process is allocated to. The prediction shall be based on current surveillance, historic traffic data and surveillance, current incidents, planned events, current traffic control strategy, data received from other Manage Traffic functions serving other geographic and/or jurisdictional areas, and current and predicted weather conditions. The predictive model of traffic flow produced by this process shall be used by processes in the Manage Traffic function and other ITS functions.

This process is associated with the Traffic Management Center physical object.

This process is associated with the following functional objects:

• TMC Basic Surveillance
• TMC Regional Traffic Management
• TMC Traffic Network Performance Evaluation

This process is associated with the following data flows:

• current_incident_data
• fws-weather_forecasts
• other_traffic_center_data
• planned_events
• prediction_data
• rail_schedules_for_prediction
• route_segment_use_prediction
• selected_strategy
• traffic_model_data_for_incident_calcs
• unusual_congestion