It's a proper techy one this week, and we're talking all things CANT or SUPERELEVATION. What is it? Why do we need it? Why don't we need it? All your questions, answered. Oh, and dust off your GCSE mechanics because we will be doing some MATHS with EQUATIONS.

Enjoyed this? Please do consider supporting #Railnatter at https://patreon.com/garethdennis or throw loose change at me via https://paypal.me/garethdennis. Merch at https://garethdennis.co.uk/merch. Join in the discussion at https://garethdennis.co.uk/discord.