以及
According to the 2018 statistical bulletin on the development of the transport industry, the total length of highways nationwide reached 4,864,500 kilometers at the end of 2018, an increase of 73,100 kilometers over the previous year. Highway maintenance mileage totaled 4,757,800 kilometers, accounting for 98.2% of the total highway mileage. The length of expressways is 142,600 kilometers.