to the public on May 1, 2008. This bridge connects the municipalities of Shanghai and Ningbo, and is considered the longest trans-oceanic bridge in the world. It is the world's second-longest bridge, after the Lake Pontchartrain Causeway in Louisiana, United States. The Jintang Bridge, a four-lane sea crossing bridge linking Jintang Island of Zhoushan and Zhenhai district, is a long opened on December 26, 2009. The Xiangshan Harbor Bridge opened to traffic on December 29, 2012, connecting Ningbo with Xiangshan. The long project includes as the main body of the bridge and a 8 kilometer-long tunnel. Sea The port of Ningbo is the world's busiest port. It was ranked number 1 in total Cargo Volume (1.22 billion tonnes in 2021) and number 3 in total container traffic (31.1 million TEUs in 2021) since 2019. Air Ningbo Lishe International Airport connects Ningbo by air to the rest of China, with regularly scheduled domestic and international flights. In 2009, new air routes between Ningbo and Taiwan were opened. Jetstar Asia launched a new route between Ningbo and Singapore in September 2011. Tiger Air planned to begin flying this route from 26 December 2013. Railway Three railway lines intersect in Ningbo: the Xiaoshan–Ningbo Railway (Xiaoyong Line), which runs west to Hangzhou; the Ningbo–Taizhou–Wenzhou (Yongtaiwen) Railway, which runs south to Wenzhou; and the Hangzhou–Ningbo High-Speed Railway, which runs parallel to the Xiaoyong Line providing high-speed railway service. With the booming economy in the region, the Xiaoyong Railway, a conventional railway built in the 1950s, could not meet the demand for railway travel between Zhejiang's two largest cities, so construction of a new high-speed railway line between Hangzhou and Ningbo started in 2009. The new railway line was finished in 2013 and reduced travel time between Ningbo and Hangzhou to 50 minutes. The Ningbo–Taizhou–Wenzhou Railway is a high-speed railway that opened in September 2009. It connects Ningbo with cities along the coast to the south to Fujian Province. High-speed trains on this line operate at speeds of up to . Ningbo re-opened the Ningbo railway station after three years of construction on December 28, 2013. With a construction area of more than 120,000 m2, it is one of the largest railway stations in China. Expressway Seven expressways connect Ningbo with its surrounding cities: The Hangyong expressway, built in the 1990s, connects Hangzhou and Ningbo, and is now part of Hangzhou Bay ring expressway (G9211). The