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London's new $25 billion subway line finally opened earlier this year. The Elizabeth line took 13 years to build and will increase central London's rail capacity by as much as 10% when it's fully operational, according to Transport for London (TfL).
Aside from wider carriages and stations with artistic ceilings, the Elizabeth line also offers commuters the chance to experience something a little different: a ride on glass elevators that travel horizontally alongside an escalator, rather than vertically.
The four horizontal elevators are at Farringdon and Liverpool Street stations. Both have platforms below existing buildings meaning it was difficult to install vertical shafts, Martin Rowark, Crossrail's procurement director said when the elevators were announced in 2012.
Source: Crossrail
In 2015, TfL said it anticipated that incline elevators, manufactured by the Finnish company Kone, would be up 50% more efficient compared to an ordinary vertical elevator like these, also at Farringdon station.
Source: Transport for London
A spokesperson for Kone said the elevators are more efficient to install because they don't require the digging of a separate shaft or walkways, but instead run alongside escalators.
Source: TFL, Kone