![150 years of the London underground – in pictures | London underground train, London underground, Interior 150 years of the London underground – in pictures | London underground train, London underground, Interior](https://i.pinimg.com/474x/13/1f/fe/131ffe61a5de3a9d3582ddc77810e032.jpg)
150 years of the London underground – in pictures | London underground train, London underground, Interior
![BART on X: "Also for old BART riders who may remember: C cars were the first train cars with a blue interior palette. The old A/B interiors from the 1970s were drab BART on X: "Also for old BART riders who may remember: C cars were the first train cars with a blue interior palette. The old A/B interiors from the 1970s were drab](https://pbs.twimg.com/media/E-T1tulVcBAGl2j.jpg)
BART on X: "Also for old BART riders who may remember: C cars were the first train cars with a blue interior palette. The old A/B interiors from the 1970s were drab
![colour transparency, C69 stock Circle line train, interior view by Dr Heinz Zinram, 2 June 1970 | London Transport Museum colour transparency, C69 stock Circle line train, interior view by Dr Heinz Zinram, 2 June 1970 | London Transport Museum](https://www.ltmuseum.co.uk/system/files/styles/collection_item_component_600_px_wide/private/collection_item/015225.jpg?itok=fWtZxyCe)