Picture yourself in 1920s America: prohibition was in full swing, jazz filled the streets, and optimism about the future of transportation knew no bounds. While we got some things right (hello, automobiles!), many predictions were delightfully off-track. Let’s dive into five spectacular transportation dreams that had everyone talking during the Jazz Age.
Personal Blimps: The Floating Future That Never Took Off
“Every family will have their own personal dirigible by 1980!” proclaimed Popular Science in 1924. The dream was simple: Instead of parking cars in garages, families would tether their personal blimps to rooftop mooring masts. Commuters would float above traffic jams, perhaps enjoying a cup of coffee while watching the sunrise from 2,000 feet.


The reality? Well, after the Hindenburg disaster in 1937, public enthusiasm for personal airships deflated faster than a punctured balloon. Though the idea seems ridiculous now, it wasn’t completely far-fetched for its time – the Graf Zeppelin had successfully circumnavigated the globe, and airships were seen as the luxury travel option of the future.

Fun Fact: One ambitious inventor actually proposed “blimp-ports” atop major department stores, where ladies could dock their airships while shopping!

Underground High-Speed Trains: A Subway on Steroids
In 1925, an engineer named Alfred Beach proposed a network of vacuum-powered underground trains that would shoot passengers between cities at speeds of 1,000 miles per hour. The Pneumatic Wonder system would use giant tubes and compressed air to propel carriages, much like the pneumatic tubes banks used for transferring documents.

While we didn’t get these exact trains, this prediction wasn’t entirely off-base. Today’s magnetic levitation trains and hyperloop concepts share some DNA with these Jazz Age dreams. Though instead of compressed air, we’re using magnets and vacuum tubes.
Historical Tidbit: In 1920, New York’s actual subway system was already carrying 1.3 billion passengers annually – more than today’s entire U.S. airline industry!
Rooftop Landing Pads: The Sky’s No Longer the Limit
Every skyscraper would have its own landing pad – that was the dream. Magazine illustrations showed businessmen commuting via personal aircraft, landing directly at their office buildings. Hotels advertised future “aero-suites” with private landing strips, and architects designed buildings with massive rooftop helipads.

While some buildings today do sport helipads, we’re not quite at the level of personal flying machines these visionaries imagined. Though with the recent emergence of eVTOL (electric vertical takeoff and landing) vehicles, perhaps these Jazz Age dreamers were just a century early.
Autogyros: The Almost-Helicopter Revolution
In 1923, Spanish engineer Juan de la Cierva demonstrated his first successful autogyro, the C.4, marking what many believed would be the future of personal aviation. Unlike traditional aircraft, these curious machines used an unpowered rotor for lift and a conventional propeller for thrust, creating what seemed to be the perfect compromise between planes and what would later become helicopters.

Popular Science and other publications of the era enthusiastically covered these developments, predicting that autogyros would become common personal transportation devices. In 1929, Harold F. Pitcairn purchased the U.S. rights to Cierva’s patents and began manufacturing autogyros in America. The PCA-2 autogyro was even featured at the 1931 White House lawn ceremony, marking the first rotary-wing aircraft to land there.
Despite initial excitement and genuine technological progress, autogyros never achieved the widespread adoption many predicted. While they contributed significantly to the later development of helicopters, their moment as the predicted future of personal transportation gradually faded.
Fun Fact: Real estate developers in the late 1920s actually began including autogyro landing areas in their plans, believing these aircraft would become as common as automobiles.
Underwater Highways: The Submerged Streets of Tomorrow
Perhaps the most fantastic prediction was the network of glass-tube highways running along the ocean floor. Drivers would enjoy scenic views of marine life while commuting between coastal cities. Some proposals even included underwater gas stations and repair shops.

While underwater tunnels do exist today (hello, Channel Tunnel!), they’re not quite the transparent tubes full of fish-watching motorists that 1920s futurists envisioned. Though the idea of submarine highways captured public imagination, the engineering challenges proved a bit more complicated than drawing pretty pictures in magazines.
Engineering Trivia: One proposal suggested using giant electric fans to keep the tubes clear of water in case of cracks – because what could possibly go wrong?
What They Got Right
Despite these misses, 1920s transportation visionaries did get some things right:
- They predicted the dominance of personal vehicles
- They foresaw the need for better infrastructure
- They understood that speed and convenience would drive innovation
- They anticipated the integration of transportation and architecture
Looking Back, Looking Forward
The 1920s were a time of unprecedented technological progress, and it’s understandable why people thought anything was possible. While personal blimps and underwater highways never materialized, these dreams helped shape the transportation innovations we enjoy today.
Next time you’re stuck in traffic, remember: at least you’re not worrying about where to park your family blimp. Though, who knows? Maybe some of these ideas are just waiting for the right technology to catch up with the dreams of yesterday.
After all, the spirit of 1920s innovation reminds us that today’s impossibilities might be tomorrow’s realities. Although in the case of underwater highways, perhaps some impossibilities are better left as beautiful dreams of the Jazz Age.