2024 stock: the Inspiro Piccadilly Line trains are recognisably a London Underground train, but beneath the surface they are radically different to the trains they are replacing.

Introducing new trains on the London Underground is always a challenge – and particularly so on the immensely space-constrained deep tube lines – the Bakerloo, Central, Jubilee, Northern, Piccadilly, Victoria and Waterloo & City Lines. For train builders, ther is unlikely to be an established metro train platform which can be adapted, meaning a virtually bespoke approach is needed.

Want to read more?

This is a premium article and requires an active subscription.

Existing subscriber? Sign in now

I have a subscription but need to register on site…

You will need your print Customer ID ready to set up an account, you'll find this on your welcome email and cover sheet delivered with each print magazine.

Register now

No subscription?

Pick one of our introductory offers