The War on Cars cover image

The War on Cars

Killed by a Traffic Engineer

Jun 25, 2024
A professor of civil engineering challenges the notion that traffic engineering is based on science in the podcast. Topics include the historical influence on safety standards, the relationship between speed limits and road safety, and the conflict between safety and traffic flow efficiency. The guest calls for a shift towards prioritizing safety in transportation design and discusses the evolution of traffic engineering perspectives over time.
47:51

Episode guests

Podcast summary created with Snipd AI

Quick takeaways

  • Transportation system design lacks scientific basis, necessitating a shift towards safety-first mindset.
  • Traffic engineering metrics prioritize vehicle miles over safety outcomes, advocating for population-based measures.

Deep dives

Traffic Engineering Challenges Safety Assumptions

Traffic engineer Wes Marshall challenges the prevailing belief that transportation system design is based on science, emphasizing the need for a mindset shift to prioritize safety over capacity. Marshall's book, 'Killed by a Traffic Engineer,' critiques the industry's reliance on outdated manuals and emphasizes the importance of considering human behavior in road design.

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