Synopsis

Far beneath the bustling streets of London lies an intricate web of tunnels, stretching for many miles. While traffic snarls on the roads above, hundreds of trains traverse these iron and concrete arteries, transporting millions of people into, around, and out of the city. This is the story of the “Tube,” the world’s first underground railway—a vital system that binds London together, from its debut in January 1863, through its expansion to greater depths and electrification, to the fully automa