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Why there are abandoned tunnels under Dallas

If You're Listening

17m
Transcript

Original podcast

Summary

Written by a model from the transcript; not yet reviewed.

Host Matt Bevan and supervising producer Cara Jensen-McKinnon explore the rise and fall of the Pedway, an urban infrastructure trend of underground and elevated pedestrian networks that spread across North America in the 1960s and 1970s. Originally conceived in places like Montreal and Calgary to separate pedestrians from the sudden boom of downtown automobile traffic or to escape extreme winter weather, the concept was aggressively exported by architect Vincent Pont. While these massive tunnel and skyway networks, such as Toronto's 30-kilometre PATH system, survived in harsh northern climates, American warm-weather cities found them disastrous. In cities like Dallas and Houston, the tunnels drained street life, created ghost-town conditions, and introduced severe flooding vulnerabilities, leading urban leaders to regret the entire planning experiment.

  • Consider the local climate and urban environment before committing to large-scale underground infrastructure projects. 12:17
  • Understand that removing street-level foot traffic can unintentionally turn vibrant downtown areas into sterile ghost towns. 12:36
  • Be aware that underground pedestrian networks can serve as conduits for catastrophic flooding during major hurricanes and storms. 13:44
  • Recognize that government incentive schemes can successfully convince private developers to incorporate public corridors into buildings. 8:04

Chapters

  1. 0:00
    Podcast Intro & Host Overview

    Matt Bevan opens the episode, introducing the show and its focus on underground tunnels.

  2. 0:59
    From Trade Wars to Underground Tunnels

    Bevan transitions from recent trade war discussion to the episode’s main topic of abandoned tunnels.

  3. 2:44
    Expansion to Canadian Cities and the Plus 15 Network

    Calgary’s Plus 15 and Edmonton’s Pedways illustrate the Canadian adoption of underground walkways.

  4. 4:37
    American Adoption and the Rise of Skyways

    American cities embraced Pedways to move pedestrians underground, leading to extensive skyway systems.

  5. 12:09
    Current State of Major Pedway Systems

    Toronto’s PATH, Calgary’s Plus 15, and other networks are still in use, but with mixed success.

  6. 12:49
    The Decline and Problems of Pedways

    Pedways became over‑built, under‑maintained, and often abandoned, especially in Dallas.

  7. 16:49
    Future Prospects and Cultural Reflections

    The episode concludes with musings on revitalising abandoned tunnels and a teaser for the next show.

Highlights

  • 3:57

    Air Conditioning Tunnelsstory

    In early 20th-century Houston, a movie theatre owner dug underground tunnels between his venues simply to route air-conditioned air from a single unit and avoid buying more.

  • 6:31

    Pedestrians In The Wayinsight

    The major driving force behind the Pedway boom in the 1960s was city planners wanting to clear annoying pedestrians off the streets to accommodate a massive influx of cars.

  • 8:50

    Motorcycle In The Skywaystory

    A stunt rider famously rode an electric motorcycle at high speed through the Minneapolis Skyway system, navigating concourses, escalators, and concert halls.

  • 11:29

    Massive Toronto PATH Systemdata

    Toronto boasts the largest underground network in the world at 30 kilometres long, requiring complex internal navigation signs and mobile apps so people do not get lost.

  • 12:57

    Regretting Dallas Tunnelsinsight

    The mayor of Dallas publicly stated in 2005 that if she could pour cement and clog up the underground tunnels she would, calling them the worst urban planning decision in city history.

  • 13:44

    Houston Tunnel Floodingstory

    During a major hurricane in Houston, the underground tunnel system flooded completely, acting as a conduit that flooded buildings that otherwise would have stayed dry.

Quotes

  • “If I could take a cement mixer and pour cement in and clog up the tunnels, I would do it today. It was the worst urban planning decision that Dallas has ever made.”
    Unnamed speaker · 12:57
  • “The guy who was behind this was this guy named Vincent Pont.”
    Unnamed speaker · 5:03

About this episode

We love a tunnel on this show. A few months ago Kara told Matt all about the FBI's secret tunnel under the Russian embassy in Washington. Today Matt takes Kara back underground, digging into the rise and fall of the pedway: an infrastructure idea that spread through North America in the 1960s and 70s, from Montreal to Dallas to Calgary, with mixed results. Follow If You're Listening on the ABC Listen app https://radio.abc.net.au/help/apps. Check out our series on YouTube: https://www.youtube.com/playlist?list=PLDTPrMoGHssAfgMMS3L5LpLNFMNp1U_Nq

Transcript

0:00
17:26

2,914 words · 6 speakers

Topics

  • Calgary
  • Monorail
  • ABC
  • Alberta
  • Edmonton
  • Pedway
  • David Jones
  • Sydney
  • ABC Listen
  • Plus 15 network

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