Salida Reynolds
Chief Innovation Officer at LA Metro and former leader of Los Angeles's traffic light system for eight years. Provides expert context on ATSAC, signal timing, and the design tradeoffs behind urban traffic management.
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Mar 24, 2026 • 28min
Service Request #2: Why Is This Red Light So Damn Long?
Salida Reynolds, LA Metro’s Chief Innovation Officer and former traffic signal chief, dives into why red lights can feel endless in Los Angeles. She explores the Olympic origins of ATSAC, how a control room manages thousands of signals, why timing is part engineering and part psychology, and why some cursed intersections still resist every fix.
