G2201 Lanzhou Ring Expressway

The Lanzhou South Ring Expressway (Chinese: 兰州南绕城高速; pinyin: Lánzhōu Nán Ràochéng Gāosù), designated G2201, is a 58.743-kilometre-long expressway (36.501 mi) that bypasses the built-up area of Lanzhou on the south side, the capital of Gansu Province. The design speed of the road is 80 kilometres per hour (50 mph).[1] Construction started in 2014[2] and the Expressway was opened on 29 December 2018.[3] The construction cost was budgeted at 11.8 billion yuan.[2]

Lanzhou Ring Expressway
兰州绕城高速公路
Route information
Length58.743 km (36.501 mi)
Existed2018–present
Major junctions
  G22 Yuzhong County
G309 in Heping, Yuzhong
G75 in Xiguoyuan, Qilihe District
Nanshan Road in Xigu District
G6 in Xigu District
Highway system
National Trunk Highway System
G2012 G2211

Together with the northern bypass formed by G6 Beijing–Lhasa Expressway and G30 Lianyungang–Khorgas Expressway, it forms a full Expressway Ring Road around Lanzhou. The Lanzhou North Ring Road forms an inner ring road, although it is not built to Expressway standards. Before opening of the Expressway, all traffic from the directions of Linxia and Lintao County over G75 Lanzhou–Haikou Expressway terminated in the built up area of Lanzhou with few grade-separated junctions.[4] The terminus of G75 is at a toll station on a long downward slop, with many hundreds of incidents involving brake failure of heavy trucks taking place. Heavy trucks are since required to use the Ring Expressway, avoiding the hazardous situation.[5]

Lanzhou South Service Area is the largest service area in Gansu province.[6]

Engineering works

External image
Xigu Yellow River Bridge

The expressway runs through mountainous loess landscape. The road runs over 20 bridges, and through 17 tunnels, 58.4% of the length is made up by bridges and tunnels.[2] By far the largest bridge is Xigu Yellow River Bridge, a 1,003 metres (3,291 ft) long dual-tower cable-stayed bridge crossing the Yellow River at 70 metres (230 ft) above the water.[7]

Exit list

Location km mi Exit Name Destinations Notes
Yuzhong County, Lanzhou C1 Dingyuan Interchange G22
7 Heping South G309
Qilihe District, Lanzhou Lanzhou South Service Area
24 Xiguoyuan G75HGV may only exit southbound
Xigu District, Lanzhou 37 Xigu Nanshan Road
56 Huangyanggou Interchange G6

References

See also

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