The bar chart illustrates information about the traffic accident reductions per kilomatre in Bridge water following the introduction of extra lanes on busy motorways.
Overall, it is clear that after following the introduction accidents M1, M4 and, M5 significantly dropped, while M2 and M3 made up a slow decline. In addition, M2 and M5 experienced the largest proportion before; however, after only M2 was highest figure. Whereas, M3 saw a lowest proportion in both situations.
At the beginning, M1 was at approximately 13, after that dramatically dropped to around 5. Likewise, M4 experienced about 7 before, followed by gradually fall to almost 2. By comparison, M5 accounted for largest amount and significantly declined to around 7.
In contrast, there was a sharp fall to 2, that was 4 at the beginning in M3. Another significant figure in the chart is M2, which accounted for largest proportion then saw a slow decline to approximately 15.
