Rail transport

Lore & Background

In the 16th century, wooden-railed wagonways hauled by horses became popular in Europe for mining, with the Reisszug funicular railway at Hohensalzburg Fortress in Austria possibly the oldest operational railway. Metal rails were introduced in the late 1760s, with cast iron plates fixed to wooden rails, later evolving into edge rails and flanged wheels that became standard.

Reader's Guide

Rail transport's significance lies in its transformation of travel and commerce. By the 19th century, railroads lowered shipping costs compared to water or wagon transport, enabling faster and cheaper movement of goods and people. The first transcontinental railroad in the United States allowed crossing the country in days rather than months at one-tenth the cost of stagecoach or wagon, making farming, ranching, and mining profitable in the West. Despite competition from cars and airplanes, rail transport has revived due to road congestion, rising fuel prices, and government investment to reduce CO2 emissions.

Did You Know?

• The Bessemer process, enabling inexpensive steel production, led to great railway expansion starting in the late 1860s, as steel rails lasted several times longer than iron.

A Network of Two Worlds

The UK's rail system is not one unified entity but two entirely separate networks. In Great Britain, the backbone is formed by five high-speed main lines—the West Coast, East Coast, Midland, Great Western, and Great Eastern—that fan outward from London and other major cities. Regional services and dense commuter loops fill in the gaps between these corridors. High Speed 1 stands apart as an operationally independent line, engineered to the same specifications as France's TGV system.

From Dominance to Reclaiming Ground

Over the following decades, car use climbed steadily and bus ridership fell, but rail quietly grew its own share. The real turning point arrived in the 1990s, when rail began reclaiming passengers from private cars, doubling its slice of total passenger-kilometres from 5% to 10%. This upward trajectory ran parallel to the privatisation of British Rail, a structural overhaul that reshaped how the network was owned and operated. The trajectory suggests rail has moved from a declining legacy to a growing pillar of British mobility.

Freight: The Great Migration to Road

Rail once carried the bulk of Britain's goods. This dramatic modal shift away from track toward tarmac represents one of the most striking transport transformations of the twentieth century. The environmental picture is mixed; while the external costs of trucking have reportedly fallen thanks to a faster fleet turnover and cleaner articulated vehicles, the sheer volume of road freight remains a persistent pressure on the environment.

The Climate Crossroads

Transport overtook every other sector to become the UK's largest source of greenhouse gas emissions in 2016, a milestone that has made the rail system's role in decarbonisation all the more critical. The Climate Change Committee has outlined a pathway requiring transport to reach net-zero emissions through a combination of demand reduction, more efficient combustion engines, a shift toward non-car-based modes, and full electrification of the vehicle fleet. Within this framework, rail's electric traction and capacity to move both passengers and freight offer a natural alternative to road and air.