The toll station refers to the traffic facilities built for the collection of vehicle tolls, usually including toll gates, toll islands, toll booths, toll lanes, awnings, fee-charging machinery, toll plazas and charges. December 1984, China's State Council issued a "loan road, pay the repayment of loans" policy, opened the door of China's highway tolls.  Since then, most of China's first-class highways and highways are equipped with toll stations. Most of the charging stations used the way of artificial charges. After entering the 21st century, with the development of ETC technology, most of the toll stations adopt the method of combination of artificial charge and etc technology, which increases the traffic efficiency of the motor vehicle.