Service Request #2: Why Is This Red Light So Damn Long?
From 99% Invisible by Roman Mars
March 24, 2026 · 28 min
About this episode
The episode explores the capabilities and limitations of advanced traffic systems in urban environments.
What the world's most advanced traffic system can—and can't—do for the city that invented gridlock.
People in this episode
Host: Roman Mars
Topics covered
- traffic systems
- urban design
- city planning
- gridlock
- transportation
Keywords
- traffic
- urban design
- gridlock
- city planning
- transportation systems
Mentioned in this episode
Organizations: traffic system
Places: city, gridlock
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