the pie charts illustrate the percentage of communters travelled to work in London in three decades.
Overall, there was some changes over the period. In additon, underground railway was the highest percentages, whereas bicycle was the lowest perentages until 2000.
At the begining of the period, people prefered to travelled using underground railway about 33% which was the biggest proportion. However, tain was the second rank approximately 24% in 1990. After that, communters drove car to rougly 22% and some people chose to walk about 10%. Eventhough, citizens who prefered to ride motocylce and bicycle, there were gradual remained the same.
In 2000, car was still the largest percentages which was significant incease about 35%. However, walk and bicycle dramatically increased which were approximately 10% aand 8%, respectively. However, car gradually decreased about 20%. Therefore, train also delined to rougly 23%. By the way, motocycle remanined unchanged.
In 2010, car was still the first rank even there was drop to about 34%. Moreover, train stay unchanged and it was the second rank over the period. People who chose to walk and drive car siginficant fall to around 9% and 19%, respectviely.In contrast, communters using motocycle and bicycle gradually rise which were about 5% and 10%