Datang to pubei expressway is a major transportation infrastructure project coordinated and promoted by Guangxi province. The main line of the project is 123.58 kilometers long and the connection line is 3.6 kilometers long, with an estimated investment of 10.9 billion yuan. The corrugated w beam guardrail of expressway used in the project is provided by Guangxi Shiteng Transportation Engineering Co., Ltd., which has been supplied successively.
The project adopts standard construction of two-way four-lane expressway with roadbed width of 26.5 meters and design speed of 120 km/h. By the end of February 2020, a total of 5.677 billion yuan had been invested in the project, 52.1% of the estimated 10.9 billion yuan. The project began in April 2018 and is scheduled to open to traffic by the end of this year.