The provided line graph compares four means of transport for products to be delivered in the United Kingdom over a 28-year period.
As it can be clearly seen from the line graph, the most noticeable feature is that the main mode of transport was the road. In particular, in the beginning of the examined period, in 1974, roughly 70 million tonnes of goods were transported via road. This figure, increased with some fluctuations until it reached a little less than 100 million tonnes. Moreover, it is also worth noting that the second main modes of transfer were water and rail. More specifically, in the initial year of the timetable, both water and rail were utilized to transport 40 million tonnes, where the former portrayed a moderate increase and the latter an insignificant rise of 1 million tonnes at most after slight variations throughout the years, amounting to roughly 41 million tonnes. Lastly, the least utilized mode of transport was the pipeline, where it commenced in 1974 by transporting 5 million tonnes of goods. After a relative rise it reached a plateau at approximately 21 million tonnes in 1995 up until 2002.
Overall, the line graph demonstrates a general upward trend for all modes of transport, with the main one being the road, climbing throughout the time period with some variations.