The chart compare the proportion of products carried through four various kind of transportation system in the UK during a period of 28 years, from 1974 to 2002.
It is clear that the road was the most common way of transporting goods, while the least popular mode of transport was pipeline in each year.
In 1974, the quantities of goods which transported by road was approximately 70 million tones. This figure had been fluctuated by 1995, then, enjoyed a dramatic increase up to just under 100 million tones. However, there was a slight climb in the way of pipeline from around 5 million tones to just over 20 million tones, during this period.
By contrast, from 1974 to 1978, transferring goods by water and railway stabilized at about 40 million tones. Nonetheless, the former enjoyed a sharp jump to less than 60 million in 1978, then, saw a slight decrease and reached a peak of more than 65 million. Comparing to the letter had dipped at around 25 million tones, before remained stable at 40 million in 2002.