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| Lanzhou–Urumqi Railway | |
|---|---|
| Name | Lanzhou–Urumqi Railway |
| Native name | 兰新铁路 |
| Locale | Gansu; Xinjiang |
| Start | Lanzhou |
| End | Ürümqi |
| Open | 1962–1966 |
| Owner | China Railway |
| Operator | China Railway Lanzhou Group; China Railway Ürümqi Group |
| Length | 1797 km |
| Gauge | Standard gauge (1,435 mm) |
| Electrification | Overhead catenary 25 kV 50 Hz |
| Map state | collapsed |
Lanzhou–Urumqi Railway is a major heavy-rail trunk line linking Lanzhou in Gansu with Ürümqi in Xinjiang Uyghur Autonomous Region, forming a vital transport corridor across northwestern China. The line connects the provincial capitals of Gansu and Xinjiang and integrates with national networks such as the LanXin Railway corridor, supporting freight, passenger, and strategic mobility between the Yellow River basin and the Tarim Basin. Built in the 1960s and subsequently upgraded, the railway interfaces with routes like the Longhai Railway, Qinghai–Tibet Railway, and the Southern Xinjiang railway to serve cities including Tianshui, Zhangye, Jiuquan, Hami, and Turpan.
The railway spans the Hexi Corridor linking Hexi Corridor towns and links major nodes including Lanzhou railway station, Urumqi railway station, Zhangye West railway station, and Jiuquan Satellite Launch Center access spurs. It forms part of strategic corridors promoted by the State Planning Commission and Ministry of Railways projects during the Cold War and later national development initiatives led by the National Development and Reform Commission. Integration with corridors like the China–Central Asia–West Asia Economic Corridor and transport plans under the Belt and Road Initiative enhances its role in connecting inland provinces to Central Asian markets and energy fields such as the Tarim Oil Field.
Conceived amid geopolitical concerns following the Sino-Soviet split and regional security priorities of the People's Liberation Army, construction began under directives from leaders associated with the Chinese Communist Party and agencies including the Ministry of Railways. Engineering surveys involved institutions like the China Railway First Survey and Design Institute Group Co., Ltd. and were influenced by terrain studies from the Chinese Academy of Sciences. Construction phases (1962–1966) mobilized cadres from provincial authorities of Gansu and Xinjiang, overseen by project commanders who coordinated with industrial bases in Shenyang, Changchun, and Xi'an for heavy equipment, track materials, and bridge components. Challenges included crossing the Qilian Mountains foothills, arid basins, and floodplains of the Yellow River, requiring bridges, tunnels, and culverts designed by firms modeled on Soviet-era standards.
The alignment traverses basins and mountain passes, intersecting with railways such as the Shijiazhuang–Taiyuan railway via connections and serving stations in municipalities like Zhangye, Jiuquan, Dunhuang, and Turpan. Key infrastructure elements include multi-span bridges over the Yellow River, rock-cuttings near the Qilian Mountains, and long stretches of ballast and welded rail suitable for heavy freight. Signaling and dispatch systems were modernized to use technology from domestic suppliers affiliated with CRRC subsidiaries and electronics firms that collaborated with the Ministry of Railways and later China Railway Corporation. Yard facilities at hubs such as Lanzhou North and Dahuangshan support locomotive maintenance, while electrification projects installed overhead catenary compatible with 25 kV AC standards adopted across trunk routes like the Beijing–Guangzhou railway.
Passenger services have included long-distance expresses connecting Beijing, Shanghai, and Xi'an with Ürümqi, as well as regional intercity services linking provincial centers and county seats. Freight operations carry commodities including coal from Inner Mongolia, oil and petrochemical products linked to the Tarim Oil Field, ores from Gansu mines, and containerized trade destined for transcontinental routes toward Kazakhstan and Russia. Operational management follows protocols similar to those at Beijing West railway station and adheres to standards promulgated by the National Railway Administration. Timetabling coordinates with high-capacity corridors, and rolling stock rotations align with depots in Lanzhou and Ürümqi.
Locomotive types historically include diesel-electric classes such as the DF4 series during early operations and later wide adoption of electric locomotives like the HXD1 and HXD3 families produced by CRRC Datong Electric Locomotive Co., Ltd. and CSR Zhuzhou Electric Locomotive Co., Ltd.. Passenger rolling stock has ranged from conventional CRH sets used on mixed-traffic routes to upgraded long-haul sleeper coaches similar to equipment serving the Beijing–Urumqi express services. On-board train control and signaling incorporate Automatic Train Protection standards that interface with systems deployed on the Shanghai–Kunming railway and other national arteries.
The route underpins regional development initiatives coordinated by provincial planners in Gansu and Xinjiang and supports resource exploitation projects such as the Qaidam Basin and the Tarim Basin hydrocarbons. It facilitated population movement during campaigns like rural-urban migration drives and supported logistics for national events overseen by the State Council. Strategically, the railway enhanced mobility for installations including the Jiuquan Satellite Launch Center and provided redundancy for east–west supply chains connecting to the Eurasian Land Bridge and export gateways through Alashankou and Khorgos border crossings.
Throughout its service life, the railway has experienced incidents typical of long-distance heavy freight corridors, prompting safety reviews by the Ministry of Railways and later the National Railway Administration. Investigations have involved engineering assessments by the China Academy of Railway Sciences and led to upgrades in track monitoring, slope stabilization projects coordinated with the Ministry of Transport standards, and improvements to emergency response coordinated with provincial public safety bureaus and local medical institutions.
Planned enhancements include capacity increases through double-tracking where single lines remain, further electrification and signaling upgrades compatible with Communications-Based Train Control used on corridors like the Beijing–Shanghai high-speed railway, and integration with new high-speed alignments connecting Lanzhou and Ürümqi via faster passenger-dedicated lines proposed by agencies such as the National Development and Reform Commission. Investment from state-owned enterprises like China Railway and manufacturing partners including CRRC is expected to modernize rolling stock, expand freight terminals, and strengthen links to international corridors promoted under the Belt and Road Initiative.
Category:Rail transport in China Category:Railway lines opened in 1966