Shanghai expressway (S5) Shanghai 1. A 12 "Hu Jia expressway" is the first expressway in Chinese mainland.

Hu Jia expressway started construction on1984 65438+February 2 1 and opened to traffic on1988 65438+/October 3 1. The number of Shanghai Expressway of Hu Jia Expressway is "Shanghai Expressway-A12"; The number of China expressway is "Shanghai expressway -S5".

The southern end of "Hu Jia Expressway" is Wenshui intersection of Zhenbei Road in Putuo District, Shanghai, and the northern end is Jiajian Highway intersection of Bole South Road in Jiading District, Shanghai, with a total length of 16 km. The lane width of expressway is 55m, and the design speed is120km. The total investment of Hu Jia expressway is 230 million yuan, and the average cost is11270,000 yuan.

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The significance of Hu Jia expressway;

1, expressway, Hu Jia, shared 56% of the passenger and freight volume of the Hu Yi Highway between the urban area and Jiading, and the traffic accidents were obviously reduced, which solved the traffic jam at the northwest entrance with the largest traffic volume among the six major highways in Shanghai, promoted the economic ties between Shanghai and other provinces, improved the investment environment of Jiading County, promoted the development of industrial and agricultural production, and played a positive role in Jiading County entering the ranks of rich counties in China.

2. It marks the beginning of expressway in Chinese mainland from scratch, and the road construction in China will undergo earth-shaking changes, marking that the road construction level in China has risen to a higher level.

3. Hu Jia expressway's design and construction achievements are first-class, and its technical indicators still meet the traffic demand, and it occupies an important position in the Shanghai-expressway network.

Baidu Encyclopedia-Hu Jia expressway