At the Amex, every single evening game, every single person has one eye on the game and one eye on the clock and how to 'beat the rush' and get home within a reasonable timeframe. A good transport system should be like a good referee IMHO, you barely register that they are even there.
In addition, could the thumping of metallic hoardings be restricted to thumpers with at least some elementary sense of rhythm. They're currently all over the place in the North.