However, a poll last year by the city's Municipal Commission of Transport showed that 76 per cent of locals believe the traffic has not improved and that only nine per cent approve of the lottery.
Indeed, rich Chinese are said to be buying their number plates on the black market for up to 150,000 yuan (£15,000), and some canny buyers have switched to number plates from Hebei, the province surrounding the capital, which allow them to enter Beijing from 8pm to 7am during the week and anytime at weekends. The authorities have now promised to take punitive action to stop this practice.