How many lanes are there on the Binder Expressway?

Two-way four lanes. Binde Expressway with the number of Lu Expressway S 12 in Shandong Province starts from Dengwang Village, Zhanhua County, Binzhou City, and ends at Deheng Expressway to the east of the intersection of expressway and Jinshan Expressway. The whole line is constructed according to the two-way four-lane expressway standard, in which the starting point is about134km away from Dezhou North Interchange, the design speed is120km, and the subgrade width is 28m. Dezhou North Interchange is about 10 km to the end, and the subgrade width is 26 meters.