The line graph illustrates the average trip among US children aged 5 to 15 years old between 1970 and 2020. Overall, bus showed an upward trend during the period, whereas cycling experienced downward trend. Car, train and taxi, walking fluctuated throughout the years.
Firstly, bus started at nearly 30 miles at the beginning of the period, its distance reached 30 miles the next decade. In the following years, an increase continued and it peaked at level at the end of the period, close to 40 miles. The mile of cycling stood at just under 30 miles in 1970, afterwards its mile dropped dramatically and fell to 20 miles by 2010. In 2020, its mile decreased slightly, just under 20 miles.
Coming to the other trips, a car represented roughly 20 miles at the beginning of the period. Its mile rose to 10 miles more than after thirty years, recorded just over 30 miles, before declining. The mile of car decreased to 30 mile in 2010 and a minimal decline become after ten years, making up approximately 28 miles. The distance of train contributed nearly 20 miles in 1970 and grew by roughly 22 miles by 1980. Afterwards, its mile declined slightly in 1990, nearly 17 miles. These fluctuations continued over the period, its mile returned to that of 1980 indicators. Although the mile of walking accounted for closely 17 miles in 1970, its figure decreased significantly by 2020, recording roughly 5 miles. In the following years, its miles started to increase, reaching roughly 8 miles in 2020. The mile of taxi constituted almost 5 miles in 1970, its distance grew twice more than next two decades, standing at around to 15 miles. Its miles fell to 10 miles by 2010. Although the figure for taxi returned its initial level in 2010, its miles rose almost triple in 2020, reaching about to 20 miles.