LONDON Midland operator, the Go-Ahead Group, said trading in its third quarter had been solid and its full-year expectations remained unchanged.The company said the London Midland franchise had seen strong passenger revenue growth of over 13% with passenger numbers up around 8%.  In a statement covering the period from January 1 to April 25, 2012, David Brown, group chief executive of Go-Ahead, said: "I am pleased to report continued growth in both our bus and rail divisions."In bus, our focus of operating in urban areas, pred......for the full story register now for free or login below...