11.The line graph below shows the monthly ridership of four separate transportation forms in a European metropolitan area between 1980 and 2030. Summarise the information by selecting and reporting the main features making comparisons where relevant.
The charts show subway and bus ridership and urban population density in 3 cities in 2009 Summarize the information by selecting and reporting
The line graph below shows the monthly ridership of four separate transportation forms in a European metropolitan area between 1980 and 2030.