The table below shows the results of a survey of the average number of cars per hour using three suburban roads during working hours in a ten year pollution monitoring programme Traffic calming was introduced in Harper Lane at the beginning of 1999 Write

The table below illustrates the outcomes of the studies in a pollution program that provides information about the amount of automobiles per hour that use three city roads at working hours from 1993 to 2002.

In general, on the promise of the given period, to be more precise in 1993 and 1994 there were clearly much less cars in Harper Lane, that were equal to 82, at that time the number of vehicles using Great York Way and Long Lane were respectively 600-700 and 400-450. From that time on, until 1995 while cars on Great York Way and Long Lane rose slowly reaching to almost 700, the amount of automobiles on Harper Lane rocketed and hit its peak, which was 915.

Additionally, according to the information, after the program that was levied in 1999 for Harper Lane in order to decrease traffic density, the number of cars on that road went down sharply getting 193. In contrast, traffic on Great York Way rose gradually from 695 to 900 and the quantity of cars on Long Lane increased steeply and reached to 1400 in 2002.