The graph illustrates the proportion of people using different modes of transport in a European city over a 40-year period, from 1960 to 2000.
The use of bicycles and walking also decreased over the period, although at a slower rate than public transport. cambridge 17pdf
Overall, the graph shows a significant shift in the use of transport modes over the period. The use of private cars increased dramatically, while the use of public transport decreased. The graph illustrates the proportion of people using