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August 27, 2013

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Elevated road to reopen after face-lift

Repair works on a major road that connects to the Hongqiao Transport Hub are expected to be completed and ready for use by the end of next month.

Broken road surface was a regular occurrence on the Humin elevated road that links Shanghai’s downtown to the transport hub of Hongqiao airport and Hongqiao railway station in the city’s west. Shanghai construction and traffic authorities have blamed an increase in traffic volume for the cracks on the road, which has been in service for 10 years.

About 40,000 square meters of surface area has been renovated and reconstructed along the 5.4-kilometer stretch of the road.

Builders also said that new technology has been used in the reconstruction to limit the pollution of asphalt.

The warm-mixed asphalt cuts down the smoke during the reconstruction by 90 percent, as well as limiting the PM2.5, a standard for evaluating particulates in the air, by 80 to 90 percent.

“It will have little impact on environment,” said Huang Zhending, a project engineer.

Cao Yadong, the chief engineer of Shanghai airport road construction company, said the new technology drastically cuts down emissions and decreases dust and smoke.

Similar green technology was used during road construction for World Expo 2010 Shanghai, officials said.

The new technology drove up the costs of the repairs by 6 to 8 percent, they said.

Much of the paving work is  done in the night since work started on it in May, leaving much of the day traffic at ease.



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