Youngest | Tube

: It was the first to use Automatic Train Operation (ATO) , a system where the "driver" primarily opens and closes doors while the train drives itself between stations. "Youngest" Personnel: Breaking Records

The keyword also surfaces in the history of the people who operate the network. youngest tube

: Its birth marked a major shift in how the Tube was built, moving from the cramped, Victorian-era tunnels to the vast, "cathedral-like" spaces seen in its later extensions. : It was the first to use Automatic

The Jubilee line officially opened on , named in honor of Queen Elizabeth II's Silver Jubilee. Though it is the "youngest," parts of its route are ironically some of the oldest; the section between Stanmore and Baker Street was originally part of the Metropolitan line (opened in 1932) and later the Bakerloo line. The Jubilee line officially opened on , named