Facts and figures
The DLR opened in 1987 to serve the London Docklands with 11 trains and 15 stations.
Since then a number of extensions have seen the DLR linked to Bank, Beckton, Lewisham, London City Airport and Woolwich Arsenal.
Today the DLR is a 34km railway with 40 stations and more than 100 trains. The network carries almost 70 million passengers a year, this is expected to rise to more than 100 million in 2012.