The graph below shows change in the share off vehicle registration of the three most common types of commercial vehicles in the US between 1970 and 2010.

The line graph illustrates the proportion change in vehicle registration of three types commercial vehicles in the US during 40 years.

Overall, it can be seen that truck is the most means used, followed by taxi then bus.The year 1980 saw the percentage of truck drop quickly, prior to rise slightly in the next ten years. The number of taxi registration peak up 35% in the same year, but later declined significantly in 2000. Truck swell to more than 25%, being at the record high for more than 4 decades.The year 1980 witnessed a steady growth in the bus registration. There was a substancial drop in the number of people who used bus from 15% in 1980 to 5% in 2010. Whereas a noticeable decrease in bus in 2000, taxi skyrocketed to a whopping 35% compared to 10 years ago.