Interface: Emergency Alert System - Local Transit Systems
Information Flow Definitions
alerts and advisories (Planned) Selected Comm Solution
Assessments (general incident and vulnerability awareness information), advisories (identification of threats or recommendations to increase preparedness levels), and alerts (information on imminent or in–progress emergencies). This flow also provides supporting descriptive detail on incidents, threats, and vulnerabilities to increase preparedness and support effective response to threats against the surface transportation system.