Elizabeth line trains are too long for some stations

Elizabeth line trains are long. Very long. So long that they don’t fit into some of the stations they call at and they have to use what’s known as selective door opening.The Elizabeth line railway is made up of a mix of the brand new stations in the centre of London, and outside London it runs along existing railways and stations that have been upgraded to accept Elizabeth line trains. However, while the older refurbished stations gained step-free access for the first time with new l