The table compares the volume of traffic per hour going over four major bridges.
Overall, the number of cars crossing bridges fluctuated during the day. In addition, this figure peaked at 8 am, while the opposite was true at midnight.
Regarding Harbour bridge,at 8 am its amount of traffic stood at 12,500 , the highest value during the day . Then it decreased slightly to 10,300 at 12 noon before recovering to 11,750 at 4 pm. Finally , it declined constantly to 6,400 at 8 pm and hit the lowest point with 2,550 cars at midnight.Similarly, River bridge also recorded the same fluctuation. This figure declined slightly from 8,300 vehicles at 8 am vehicles to 6,490 at 12 noon .After that, it rose significantly to peak at 8,500 vehicles at 4 pm . In the remaining time, its value tended to fall to 4,450 and 2,250 at 8 pm and midnight respectively
Turning to remaining groups, the City bridge usage in the morning period showed an increasing trend , its value grew from 6,225 at 8 am to 6,800 at 12 noon, the highest value of the day, whereas the figure fell constantly in the remaining time and reached the lowest point at midnight with 555 cars . Notably, the volume of traffic crossing Smith bridge in the bottom of graph almost of the time. From 8 am to 4 pm , the Simith bridge experienced the increase from 2350 to 3330, by 980 cars .In the end of the period, the value declined gradually to 1225 at 8 pm and 430 at midnight
