Overpass comes together as Yingbin Feeder progresses
The final steel box girder of an overpass linking the Dajingshan and Shixi tunnels was hoisted into place Dec 8, signaling that the Yingbin Feeder of Xingye Express Road can be completed by the end of next year.
China Railway Seventh Group is now well underway with the placement of bridge deck slabs. The group says composite beams will be installed before Spring Festival.
Final steel box girder hoisted into place [Photo courtesy Project Department of Xingye Express Road's Yingbin Feeder]
The feeder runs 1,700 m (1 mile) from the Meihua-North Yingbin intersection, tunnels beneath Xiangshan Lake Park, bridges Dajingshan Community Park, and cuts through Fenghuang Mt before merging with the north section of Xingye Express Road. In total, it involves 250 m (273 yd) of roadbed, 1,000 m (1,094 yd) of tunnel, and 450 m (492 yd) of bridge.
The urban arterial road is designed with a speed limit of 60 kmph (37 mph). It will provide efficient travel between North Yingbin Road and the north section of Xingye Express Road.
Xingye Express Road runs 30-km (19-miles) from Tangle and Hagongda roads in Tangjiawan to the Fenghuang Mt Tunnel via a Y-shaped structure. It passes Dajingshan Community Park, dips beneath Meihua, Xingye, Yinhua, Renmin, and Ningxi roads, and then accesses Shijing Mt Tunnel to terminate at the Jiuzhou Avenue-First Jianye Road intersection in Jida. Construction of its north and south sections is now advancing.
When the entire express road opens to traffic in 2022, it will facilitate north-south downtown traffic and improve access to both the Shenzhen-Zhongshan Corridor and Hong Kong-Zhuhai-Macao Bridge. Travel time from Tangjiawan to Jida will be cut to 10 minutes.
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Shixi Tunnel broken through; west side takes vehicles
The dual four-lane Shixi Tunnel was broken through in late October and its 760-m (half-mile) west part was made accessible to vehicles.