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The next party of Freddie's journey is on another kind of train called the Docklands Light Railway. These are computer-controlled trains with no drivers. For many people the journey by train takes them to a convenient Underground station. London Underground was the first in the world when it opened in 1863.
People use lots of other forms of transport in London. There is one kind of transport that isn't very good in London - and that's the car. They move very slowly because there is too much traffic. The buses and taxis travel more quickly because they have got special lanes on the road.