with the rapid development of the economy, the number of cars in daily life increased significantly, but it can not be separated from the implementation of our transport infrastructure. Highway on the road, there are specialized units for testing. Ministry of transportation recently announced the 2015 National Highway Highway sampling situation, Jiangsu highway traffic to maintain the country’s first.
Comrade Deng Xiaoping once said: "want to build the road first", only the perfect transportation infrastructure, in order to promote the local economic exchanges, in order to promote the development of the city. It is understood that the Ministry of transportation on the 30 provinces of the country’s 25 thousand and 600 kilometers of highway random sampling, a total of Jiangsu highway detection of 1100 km. After testing, the pavement performance index (PQI) of Jiangsu expressway is 95.33, and the excellent road rate is about 100%. In the "12th Five-Year" national highway maintenance management inspection, Jiangsu highway won the first score.