Reporters of

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learned from China Railway Construction Co., Ltd. on the 3rd that the upgrading and transformation project of Chengdu Chongqing passenger dedicated line is progressing in an orderly manner, and joint commissioning and test will be started after the national day. After the transformation, the whole operation of the high-speed railway from Chengdu to Chongqing will be shortened to less than one hour, forming the “one hour life circle” of Chengdu and Chongqing.

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according to the person in charge of the quality improvement and reconstruction project of Chengdu Chongqing passenger dedicated line of China Railway Construction Electrification Bureau Group, the upgrading and reconstruction project of Chengdu Chongqing passenger dedicated line is the first domestic high-speed railway upgrading and reconstruction project, which will set a precedent and demonstration standard for the same type of high-speed railway in China.

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according to the person in charge of the first group company of China Railway Construction Electrification Bureau, in the past, the transformation of existing ordinary railway lines usually carried out dynamic detection after static acceptance, carried out step-by-step speed-up test, and then opened up. But the situation facing the project is totally different. Driving during the day, construction at night. In the peak period of construction, there are as many as 3000 construction personnel.

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Chengdu Chongqing passenger dedicated line is an important part of the “river channel”, one of the main channels of the national “eight vertical and eight horizontal” high-speed railway, with the current operating speed of 300 km / h. After upgrading, the operation speed will be increased to 350 km / h. Original title of

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: orderly promotion of

of upgrading and reconstruction project of Chengdu Chongqing passenger dedicated line