The following pie charts show the main modes of transportation people used to travel to university for work or study in 2004 and 2009.

The pie charts compare the five modes of transportation people used to travel to university for

work

or study in 2004 and 2009. It is clear from the pie chart that

bus

and

car

were the most common way to commute in 2004 and 2009. In 2004, the proportion of going to

work

by

car

was over half of the total means of transportation,

while

it experienced a sharp decline from 51% to only 28% after 5 years, becoming the

second

-largest. The

bus

showed a different pattern, the figure for the

bus

used to be the

second

most important way to

work

, become more important and exceeded the figure for the

car

, from only 33% in 2004 to 46% in 2009.

Similarly

, the percentage of riding bicycles to

work

showed an upward trend, reaching 16% in 2009. And the means of train and walking have slightly fluctuated between 3% to 6% during

this

period. In conclusion，the means of commuting by

car

and

bus

constituted the largest part of transportation over the period.