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THE VIDEO SHELF · induced demand in traffic

Induced Demand & Roadway Widening: Everything You Always Wanted to Know (and Weren't Afraid to Ask)

CityNerd Ray Delahanty explains induced demand and what happens when freeways are widened. He walks through the economics of supply and demand applied to traffic and asks how much new traffic appears and whether congestion returns.

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Why HN readers recommended it

HN commenters link it as a clearer explanation of induced demand for people who have not studied the topic.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Ray Delahanty | CityNerd
Topic
induced demand in traffic
Format
explainer
Level
general
HN recommenders in dataset
3
HN mentions in dataset
3
Recommendation years in dataset
2022–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • The problem is that "inducing demand" for people who would otherwise take public transit doesn't actually increase efficiency. Putting more cars on the road is not necessarily a net benefit. See this video from CityNerd for more details: [VIDEO]

    noahmasur on Hacker News · 2022-06
    In Why America can’t build

  • Books are not a finite resource? Obviously there is a finite number of trees but there are enough for it not to be a bottleneck. Land on the hand is a finite resource, especially in large, urban cities. There is no way to design a …

    tidbits on Hacker News · 2024-06
    In In Colorado, an ambitious new highway policy is not building them

  • Have you read anything or watched anything about induced demand or did you just read the expression and figured it all out by yourself? [VIDEO]

    oblio on Hacker News · 2024-07
    In I mapped almost every USA traffic death in the 21st century

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.