Welcome to Green Signals, the essential new railway podcast for anyone interested in railways: what they are for, how they work, and why we need them more than ever.

In this Trailer, Nigel and Richard reveal their first meeting on a Virgin Trains press trip to Italy, discuss the relative merits of Blackburn and Burnley and most importantly, consider whether the decision to scrap the northern section of HS2 to Manchester was a really, really bad idea. Or far worse than that.