The midland mainline is a railway route in england that links london , leicester, nottingham, derby and sheffield together, the route has a length of about 397 miles but today we are going to be focusing on: London to Corby, set in modern day with the new electrics on the MML. The london to corby line is about 72 miles long. ROLLING STOCK Class 222 Meridian Class 360 Desiro Class 700 Thameslink ERA: 2022/ modern day
