It is located on the western outskirts of the city, and is a major station on the Nanjing–Qidong Railway, and provides direct passenger service to the provincial capital as well as a number of major cities to the west, north, and south (such as Xi'an, Wuhan, and Guangzhou), including an overnight Z-series express train to Beijing. Later, frequent high-speed (D-series) service has been introduced on this line as well. There is no direct rail service between Yangzhou and Shanghai, however; to travel to Shanghai, or elsewhere in the Yangtze Delta regions, travelers cross the Yangtze over the new Runyang Bridge to Zhenjiang (frequent commuter bus service is available) and take a train from the Zhenjiang Railway Station, which is located on the main Nanjing-Shanghai rail line. In 2016, construction work started on a new north-south rail line, the Lianyungan-Huai'an-Yangzhou-Zhenjiang Railway. The new Yangzhou station will be located on the east side on the city, between Yangzhou main urban area and Jiangdu District, east of the existing Yangzhou Railway Station. The new rail line is expected to open in 2020, while the new train station will gradually become the ciy's transportation hub, and its surrounding area, Yangzhou's new central business district. Yangzhou harbour, south from the city center, is located at the junction of the Beijing–Hangzhou Canal and the Yangtze River. The average water depth is 15–20 meters. In 1992, the State Council approved it to become a first-grade open state harbour, and General Secretary Jiang Zemin inscribed its name. Now, it has developed into a comprehensive inland harbor, integrating passenger, freight, container transportation and harbour trade, and has become the main distribution center of northern Jiangsu province, eastern Anhui Province and southeast Shandong Province. There are several dozen categories of goods including iron and steel, timber, minerals, coal, grain, cotton, container, products of light industry and machinery. The passenger routes reach Nanjing, Wuhu, Jiujiang, Huangshi and Wuhan in the west, and Nantong and Shanghai in the east. Some well-known luxury international liners also anchor here. The harbour has greatly promoted the development of exports and the overall local economy. The Ningyang (Nanjing–Yangzhou) Expressway crosses the southern part of Yangzhou's metropolitan area while the Ningtong (Nanjing–Nantong) Expressway is connected to Yangzhou at Liaojiagou.