The Lanzhou–Haikou Expressway ( Chinese : 兰州—海口高速公路 ), designated as G75 and commonly referred to as the Lanhai Expressway ( Chinese : 兰海高速公路 ), is an expressway in China that connects the cities of Lanzhou , Gansu , and Haikou , Hainan . When fully complete, it will be 2,570 km (1,600 mi) in length. It is one of the most important routes between Northwest China and the Southwest , and considered one of the developmental axes of Development of Western China .
14-724: G75 was fully completed in Gansu with the opening of the Wudu - Weiyuan section on 1 January 2021. Starting from the south of Lanzhou, the expressway enters the New Qidaoliang tunnel (length 4,070 metres (2.53 mi)) through the Xinglongshan mountains, from where it follows the Tao River parallel to G212 . Past Lintao , the route diverges from the Tao river valley and passes through hilly landscape through
28-550: A couple of tunnels until exiting in the Wei River valley. From there it continues through the 15.2 kilometres (9.4 miles) long Muzhailing Tunnel. In Min County , the expressway parallels G212 again until Longnan, exiting Gansu through a mountainous valley by numerous tunnels and viaducts. The expressway is under construction from the Gansu border to Nanchong , and complete from Nanchong to
42-463: A likely candidate. A rupture extent of 190 km has been estimated for this earthquake with a slip of 7.2 m. The earthquake triggered many landslides and caused the formation of several natural dams 40 to 120 m in height. In Wudu city there were a total of 9,881 casualties, with many houses damaged and about half of the livestock killed. Large parts of the city walls were badly damaged and 60 temples were destroyed at Wanshou Hill. In Wenxian and
56-487: Is divided to 4 subdistricts, 26 towns, 8 townships and 2 ethnic townships. This Gansu location article is a stub . You can help Misplaced Pages by expanding it . 1879 Gansu earthquake The 1879 Gansu earthquake occurred at about 04:00 local time on 1 July. It had an estimated magnitude of 8.0 on the M s scale and a maximum perceived intensity of XI ( Extreme ) on the Mercalli intensity scale . The epicenter
70-698: The Chongqing border. The expressway is complete in Chongqing . The expressway is complete in Guizhou . The portion of it connecting Guiyang and Zunyi is referred to as the Kaima Expressway. The expressway is under construction from the Guizhou border to Du'an Yao Autonomous County , and complete from Du'an to the Guangdong border. The expressway is complete from the Guangxi border to Zhanjiang . At Zhanjiang ,
84-614: The Lanzhou–Haikou Expressway to Hainan . As of December 2022, only the collinear section with G15, within Haikou city, is opened for service. The northern terminus of G75 in Lanzhou has been the site of hundreds of accidents, totaling at least 42 deaths since 2012. Over a distance of 17 kilometres (11 mi), the road descends 1,057 metres (3,468 ft). Trucks having brake failure or being overloaded, and drunk drivers cause most of
98-539: The accidents. The toll station is located several kilometers from the actual terminus of the expressway to reduce the severity of accidents. With the opening of the Lanzhou South Ring Expressway, heavy trucks are not allowed on the downhill section any more. On 7 November 2015, a truck caught fire in the Qinggangshao tunnel between Chongqing and Zunyi . The driver managed to drive the burning truck out of
112-523: The expressway is under construction as the fixed bridge link from Guangdong to Hainan is still under construction. When completed, the southern terminus of the expressway will be in Haikou , Hainan . Hainan is an island and currently not connected to the rest of Mainland China by a fixed road link. A bridge is being built over the Qiongzhou Strait , separating Guangdong from Hainan and will carry
126-718: The north, two parts of the Tibetan Plateau . As a whole the Tibetan Plateau is spreading to the east. Where it reaches the Sichuan Basin , which overlies the Yangtze plate , a thick and less deformable part of the lithosphere , a series of southwest–northeast trending thrust faults have formed, known collectively as the Longmenshan Fault , the rupture of which was responsible for the 2008 Sichuan earthquake . The earthquake
140-466: The provinces of Shaanxi and Sichuan to the southeast. It has a population of 590,000, of which 110,000 live in the urban area. Located along the Bailong River near the borders with Sichuan and Shaanxi , it has been the site of many historic battles. A town has existed at the current county seat since at least 448. In 572 this town was named Wuzhou (武州), in 892 it was named Jiezhou. Since 1260 it
154-503: The tunnel to a safe parking spot, preventing any injuries. On 9 November 2015, two trucks collided with a bus in Wusheng , resulting in 6 deaths and 26 injured people. Note: italic indicates the routes that were available in 2013 network plan, but removed in 2022 network plan Wudu District Wudu District ( Chinese : 武都区 ) is a district and the political and cultural centre of Longnan , Gansu province, China. It borders
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#1732855445245168-628: Was in Wudu District in southern Gansu , close to the border with Sichuan . It caused widespread damage and killed an estimated 22,000 people. The area of the earthquake lies just to the north of the eastern end of the East Kunlun Fault , a major left-lateral strike-slip fault zone that forms the boundary between the Bayan Har block , to the south, and the Eastern Kunlun–Qaidam block to
182-540: Was part of Shaanxi province , becoming part of Gansu in 1729. In 1913, Wudu County was established. The current district was established from Wudu County in 2004. The epicentre of the 1879 Gansu earthquake was located in the district. Wudu is one of the top tourist destinations in Gansu, receiving over 2 million tourists in 2016. The Wanxiang karst cave is located 10 km from the city. Its agricultural output includes olive cultivation, traditional Chinese medicine crops and Sichuan pepper . Wudu District
196-476: Was preceded by foreshocks in the few days before the mainshock. The meizoseismal area extends 70 km in a WSW-ENE direction and is 30 km across. The earthquake may have been caused by movement on the WSW-ENE trending Fanjiaba-Linjiang Fault. This fault correlates well with a 30 km long lineament seen on satellite images. The similarly oriented Hanan-Daoqizi-Maopola fault zone has also been proposed as
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