BUSINESS Congested Londoners have to pay to drive in London during the day BY WILFREDO FERNANDES raffic in central London now moves more freely thanks to a new system introduced in 2003. But that's not saying a great deal. Experts estimate that before congestion charging' was oduced the average speed of cars, buses and lorries in don was less than 14 kilometres per hour. hour. That's still slower than the horses owing the introduction of and carts of over 100 years ago estion charges, the same experts that the speed of traffic has However, the scheme is described as a ased by about 3 kilometres per success, and the Mayor of London