Pulling the lever is the easy part.

In Lancashire, at National Rail's Manchester signalling classroom, I learn why it's very, very rare for trains to collide... and then go to an actual, live signal box to see it for real. Written and presented by Tom Scott Producers for Penny4 https://penny4.co.uk/ Cambria Bailey-Jones Guy Larsen Studio Associate Producer Heloise Lowenthal Studio Director of Photography Jamie MacLeod Studio Gaffer Frank Hammond Head of Post for Breadbox Studios https://www.breadboxstudios.co.uk/ Mandy Celine Associate Post Producer Isla McTear Senior Editor Jamie MacLeod Assistant Editor Alex “J’Rassic” Bate Sound Supervisor Dan Pugsley Sound Assistant Maggy Apodaca Subtitles by So Speedy https://www.sospeedy.co.uk/ With thanks to the Historic County Borders Project https://www.county-borders.co.uk/ Select imagery/video supplied by Getty Images Executive Producer Tom Scott © Pad 26 Limited MMXXVI