Interface: City of Pittsburgh Traffic Management Center (CityTMC) - ACAA Offices

City of Pittsburgh Traffic Management Center (CityTMC) to ACAA Offices Interface Diagram

Information Flow Definitions

emergency traffic control information  (Existing)  Selected Comm Solution

Status of a special traffic control strategy or system activation implemented in response to an emergency traffic control request, a request for emergency access routes, a request for evacuation, a request to activate closure systems, a request to employ driver information systems to support public safety objectives, or other special requests. Identifies the selected traffic control strategy and system control status.

emergency traffic control request  (Existing)  Selected Comm Solution

Special request to preempt the current traffic control strategy in effect at one or more signalized intersections or highway segments, activate traffic control and closure systems such as gates and barriers, activate safeguard systems, or use driver information systems. For example, this flow can request all signals to red–flash, request a progression of traffic control preemptions along an emergency vehicle route, request a specific evacuation traffic control plan, request activation of a road closure barrier system, or place a public safety or emergency–related message on a dynamic message sign.

road closure notification  (Existing)  Selected Comm Solution

Notification that agency personnel have closed a road due to adverse weather, major incident, or other reason.