The two pie charts compare cause of traffic congestion in two cities: city A city B.
Overall, it can be seen that the most significant cause was private car use in both countries: city A city B. The least proportion was ‘other’ in city A city B.
The largest figure was ‘private car’ use in both cities which represented 45% in city A, 30% in city B. The second thing, which most caused for traffic congestion, was poor public transport, which represented 25% of city A, 35% in city B.
While, proportion of road works was 15% in city A, likewise city B showed 25 % in terms of road works. There were similar figures in proportion of both cities: city A city B illustrated 10% and 15% respectively. The factor which least effected to traffic jam was ‘other’ and these shares were 5% in city A and 10% city B
