The given line graph illustrates how many goods delivered by for specific means of transport namely road, water, rail and pipeline in the UK from 1974 to 2002.
Looking from an overall view, it is apparent that the number of merchandise delivered by the four ways of transport experienced upward trend, with the most drastic increase being witnessed in the figure for road while pipeline consistently had the lowest figure over the examined period.
Regarding road, the number of products stood at 70 million tonnes in 1975, after which it entered a fluctuating period until 1995. From 1995 onwards, this figure increased significantly, reaching the peak of approximately 97 million tonnes. On a contrary, just below 10 million tonnes of goods were transported by pipeline in the first year of the period, with a subsequent progressive rise to nearly 21 million tonnes in 1990 and a final negligible dip to 20 million from 1995 onwards.
In terms of water and railway, the quantities of goods delivered by the two means of transport was at 40 million tonnes. The figure for waterway increased gradually, ending the period at about 61 million tonnes. An opposite trend was seen when it comes to the figure for railway where the number of products fluctuated in the middle years and finalized with 40 million tonnes, the same level as it was in 1975.