LONDON: More than 160 years ago, London witnessed a transportation experiment that would permanently change the way people travelled through crowded cities.

On 10 January 1863, the world’s first underground passenger railway officially opened in London. The Metropolitan Railway connected Paddington with Farringdon and introduced a completely new concept of urban transportation: moving passengers beneath the streets rather than relying entirely on increasingly congested roads.

At the time, London was experiencing rapid population growth. Horse-drawn carriages, buses and other forms of road transport crowded the city’s streets, making journeys through central London increasingly difficult.

The idea of building a railway below the city was considered ambitious and technically challenging. Engineers had to construct tunnels in densely populated areas while attempting to minimize disruption to buildings and existing roads.

The first underground railway did not resemble today’s modern metro systems. Trains were operated using steam locomotives, meaning passengers travelling underground were exposed to smoke and fumes.

Despite these limitations, the railway attracted enormous public attention. Thousands of passengers used the new service soon after its opening, demonstrating that underground rail transport could become a practical solution for rapidly growing cities.

The success of the Metropolitan Railway encouraged further expansion. Additional underground routes were developed around London, gradually creating a much larger network.

Over time, technological improvements transformed underground transportation. Electric trains eventually replaced steam locomotives on London’s underground routes, making journeys cleaner, faster and more comfortable.

The concept also inspired other cities around the world.

As industrialization accelerated and urban populations expanded, transportation planners increasingly looked toward underground railways as a way to move large numbers of people without requiring additional road space.

Today, metro and subway systems operate in cities across almost every continent. From New York and Paris to Delhi, Tokyo and Singapore, underground rail networks have become an essential part of urban transportation.

The original London experiment therefore had consequences far beyond the city where it began.

The development also demonstrates how technological innovations often emerge from practical problems. London did not build its first underground railway simply as a technological curiosity. It was an attempt to solve a growing urban transportation crisis.

The railway’s early history also offers an important lesson about infrastructure: major transportation systems can influence the development of cities themselves. Areas connected by railway lines can attract businesses, housing and new economic activity, changing patterns of urban growth.

More than a century and a half after the first underground passenger service, London’s Underground has become one of the world’s best-known transportation networks.

What began in 1863 as a relatively short railway beneath the streets of London ultimately helped establish a model for modern mass urban transportation.

The story of the world’s first underground railway is therefore not simply a chapter in transportation history. It is an example of how cities respond to population growth, congestion and technological challenges—and how an experimental solution can eventually become a global model.