The pie graphs illustrate the share of four different transportation means utilized in the United Kingdom between 1965 and 2005, at 20-year intervals. Overall, most categories decreased over the observed period, except for personal automobiles which increased and maintained their dominance .
In terms of the major transport methods, private cars accounted for 40% in 1965, before surging continuously to 60% by 2005. Moreover, public transport started in the second position at precisely a quarter, which then declined by 5% two decades later, prior to a minimal recovery of 2% in the end.
Turning to the remaining categories, recreational vehicles documented a threefold plunge from 15% to 5% from 1965 to 1985; nevertheless, a slight rebound saw the proportion finish at 8%. Finally, after a plateau at one fifth for the first twenty years of the surveyed timeframe, trucks and other commercial vehicles halved to 10% in 2005.