The provided line chart delineates the mean numbers of daily UK travelers who use cars, buses, or trains since 1970 and the prediction of the average numbers until 2030, and all numbers were given in millions.
Overall, it can be seen that the number of car and train users witnessed an upward trend. By contrast, the number of bus users faced a downward trend, in the beginning, the car users recorded the highest rate while the train users recorded the lowest rate, but in the end, it is predicted that the number of train users will fall to be the lowest.
In 1970, the average number of daily travelers who use cars was around 5 million and remained steady until 1980, then it increased sharply to nearly 7 million in 2000 From 2000 to 2010 it returned steadily again, and it is predicted to increase gradually until 2030 to reach around 9 million. The mean number of train users on the other hand increased steadily to 3 million from 1970 until 2000 and then leveled off until 2010, and it is predicted to increase dramatically to about 4 million in 2030.
Regarding the average number of travelers who use buses, in 1970 was around 3.5 million then decreased gradually until became equal with the train users in a period between 2010 and 2020, and it is speculated to continue decreasing until 2030 to reach its lowest point at around 3 million.