6/6 Revealing the unique challenges faced by the rail network in Scotland.
5/6 With millions of neighbours, the railway must manage relations with local communities.
4/6 The West Coast Mainline is the busiest route in Europe, linking London to Glasgow.
3/6 A train cuts through some vital signalling cables between Reading and Paddington.
2/6 Following staff on the Leeds railways, as summer brings binge drinkers and trespassers.
1/6 Following the staff of King's Cross station as they prepare to open a new concourse.