For British Rail, the 1970s was a time of contrasts, when bad jokes about sandwiches and pork pies often belied real achievements, like increasing computerisation and the arrival of the high-speed Inter-City 125s. But while television advertisements told of an 'Age of the Train', Monday morning misery continued for many, the commuter experience steadily worsening as rolling stock aged and grew ever more uncomfortable. Even when BR launched new electrification...