The graph below gives information from a report in 2020 about the amount of investments on upgrading public transportation systems of four major cities between 2020 and 2025.

The graph illustrates how much money four cities invested in upgrading their public transportation systems between 2010 and 2025. Overall, London and Tokyo spent significantly more than the other cities, while Paris and Tehran invested comparatively lower amounts. In addition, London showed a steady increase over the period, whereas the other cities experienced fluctuations. In […]