when carl martin lost the use of his legs in a motorcycle crash five years ago, he decided he wanted surveyor from sussex has now become govia thameslink railway�*s new accessibility lead. as piers hopkirk reports, carl says he'll use his first hand experience to make changes, and help get more people onto trains. carl martin was travelling at 115 mph when he came off his bike at brands hatch, a crash that was to change his life forever. for brands hatch, a crash that was to change his life forever.— brands hatch, a crash that was to change his life forever. for me when i became disabled, _ change his life forever. for me when i became disabled, i— change his life forever. for me when i became disabled, i saw— change his life forever. for me when i became disabled, i saw those - i became disabled, i saw those challenges and i realised just how brutal society wasn't how it disabled me from being part of the things that i once took for granted. now he is using that experience to drive change for others. his role is to ensure the govia thameslink network is as accessible as possible to