October 31, 1988 (September 21) Boshin years, China's first expressway Hujia Highway opened. The first expressway -


Shanghai-Jiading Expressway
31 October 1988, the Chinese mainland has its own highway. Shanghai-Jiading Expressway, State Road 204 (Shanghai to Yantai) Ruhu sections from the Qilian Mountain Road to the outskirts of Shanghai Jiading County, South Gate, a whole interchange completely closed all equipment for the automotive dedicated high-grade highways. length of 20.5 km
Highway, covering an area of ​​45 meters wide, 26.5 meters wide road, the central 3.5 meters medians, up and down two lanes on both sides, there is a 2.5-meter-wide hard shoulder for emergency stop with. The road for the first time with a modern traffic control facilities across the board to set up the three data acquisition system speed, models, and passing car data collected. Every one kilometer with an emergency call, the driver of the car, road management and central control room to keep in touch. Highway design speed of 120 kilometers per hour, day and night, the opening of more than 40,000 vehicles.