Alert components for a municipal system, designed for the worst five minutes of someone's year.
Overview
Four severity levels that all looked equally urgent, so people learned to ignore all of them. Only the top level may use red, motion, or sound. The rest are deliberately quiet. Response time to top-level alerts halved in the first drill.
Problem
Four severity levels that all looked equally urgent, so people learned to ignore all of them.
Approach
Only the top level may use red, motion, or sound. The rest are deliberately quiet.
Outcome
Response time to top-level alerts halved in the first drill.
Alert components for a municipal system, designed for the worst five minutes of someone’s year.
Four severity levels that all looked equally urgent, so people learned to ignore all of them. Only the top level may use red, motion, or sound. The rest are deliberately quiet.
Response time to top-level alerts halved in the first drill.
40 windows • Design Systems • Signal — Emergency alert system