Why has there been such disruption on two rail franchises and can we avoid it in future?
Public ownership is a popular idea with voters, but would it improve Britain's railways?
Why is Network Rail struggling with its multibillion-pound plan to upgrade our railways?
Second class service: how the nations and regions lost out to London in rail investment.
With rising rail fares and punctuality targets missed, do passengers get value for money?
John Waite investigates the railway contractors who have broken the rules.
A signalman on a remote railway line is visited by a traveller. By Ross Sutherland.