Hu Jia Expressway, numbered S5 (Hutong Expressway) and numbered A 12, started on 1984 and was opened to traffic on June 1988, October 3 1 day. Subgrade construction was jointly completed by Baosteel 19th Metallurgical Special Company, Baosteel 20th Metallurgical Machinery Company and Donghai Fleet Harbor Construction Company, which was the first in China.

The line connects the center of Shanghai and its satellite city Jiading, starting from the central hub of Hu Jia in the center of Shanghai in the south and ending at the southern hub of Jiading in the north, with a total length of 65,438+08.5km.. The whole section is designed according to the standard of full interchange and fully enclosed expressway, with four lanes in both directions, hard shoulder and speed limit of100 km/h.

2065438+After the completion of the overhaul and reconstruction in February 2005, Hu Jia Expressway became a two-way six-lane urban expressway, and the speed limit was adjusted to 80 km/h, and its design and construction standards were all based on the international standards at that time.

Of great significance and far-reaching influence

Expressway is an important symbol of traffic modernization and national modernization. Hu Jia Expressway is the starting point of China's expressways, which witnessed the great changes of China's expressways from scratch, from opening to smooth, from initial construction to large-scale network.

After the completion of Hu Jia Expressway, it lived up to expectations, undertaking 56% of the passenger and freight volume of Hu Yi Highway connecting the urban area and Jiading, and the traffic accidents on Hu Yi Highway were significantly reduced, thus alleviating the traffic congestion at the northwest entrance with the largest traffic volume among the six major highway entrances and exits in Shanghai. At the same time, it has promoted the economic ties between Shanghai and other provinces and deepened the mutual cooperation among the economic development zones in the Yangtze River Delta.