What is the speed limit from Changchun to Gongzhuling Expressway?

Speed 120 km. According to Article 78 of the Road Traffic Safety Law of the People's Republic of China, the speed of the lane should be indicated on the expressway, and the maximum speed should not exceed 120km/h, and the minimum speed should not be lower than 60km/h ... expressway, referred to as expressway for short, refers to expressway dedicated to high-speed driving of automobiles. Expressway has different regulations in different countries and regions, different times and different scientific research and academic fields.