Road works, traffic chaos and congestion breed anger and frustration, but the modern railway system of 1972 offers an existing solution to our crowded island's transport system. The railway is fast, smooth, effortless and relaxing, and a sequence on the Motorail service shows how railways can actually take cars off the road. With no narration, the film's clever use of a jazzy musical accompaniment leaves viewers in no doubt that the answer is already under their nose.
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