other major cities throughout the country such as Beijing, Shanghai and Guangzhou. The Harbin–Dalian high-speed railway which runs through three provinces in northeastern China, has a stop in Changchun. The new Changchun West railway station, situated in the western end of urbanized area, is the station for the high-speed trains of the Harbin–Dalian high-speed railway. Public transport Changchun Rail Transit is an urban rail transit service of Changchun. Its first line was opened on 30 October 2002, making Changchun the fifth metropolitan city in China to open rail transit. Till November 2018, there are 5 lines in Changchun, including Line 1, Line 2, Line 3, Line 4, and Line 8. Changchun railway covers about 100.17 kilometers. Till September 2019, there are 4 lines of Changchun Rail Transit under construction, including Line 6 and Line 9, as well as Line 2 West Extension and Line 3 East Extension. By 2025, the Changchun rail transit line network will consist of 10 lines with a total length of 341.62 kilometers. In September 2019, the average daily passenger volume of Changchun Rail Transit reached 680,400 person, and the maximum daily passenger volume of its line network was 830,500 person on 13 November 2019. The total estimated passenger volume in 2019 is about 168 million person. Road network Changchun is linked to the national highway network through the Beijing – Harbin Expressway (G1), the Ulanhot – Changchun – Jilin – Hunchun Expressway (G12), the Changchun – Shenzhen Expressway (G25), the Changchun – Changbaishan Expressway (S1) and the busiest section in the province, the Changchun–Jilin North Highway. This section connects the two biggest cities in Jilin and is the trunk line for the social and economic communication of the two cities. Changchun is served by a comprehensive bus system—most buses (and the tram) charge 1 Yuan () per ride. Private automobiles are becoming very common on the city's congested streets. Bicycles are relatively rare compared to other northeastern Chinese cities, but mopeds, as well as pedal are relatively common. Air Changchun Longjia International Airport is located north-east of Changchun urban area. The airport's construction began in 1998, and was intended to replace the older Changchun Dafangshen Airport, which was built in 1941. The airport opened for passenger service on 27 August 2005. The operation of the airport is shared by both Changchun and nearby Jilin City. The airport has scheduled flights to major cities including Beijing,