the g4218 dartsendo-xindu bridge expressway projec
时间：2021/3/2 15:06:11 浏览：94次
recently, the g4218 line from dartsendo to xindu bridge section of the highway project was officially approved by the provincial development and reform commission, the project estimated total investment of about 16.457 billion yuan. the project was built on a ppp basis. the section of g4218 line from dartsendo to xindu bridge is a part of the main access road of southern sichuan-tibet line, and is also a part of the "national highway network planning (2013)—— -- g4218 connecting line -- "ya'an -- kargilik county" expressway, sichuan expressway network planning (2014-2030) is a part of the chengdu-dartsendo-tibet expressway, which is a large-scale expressway connecting the inland and tibetan areas. the route of the project starts at the yulin district of kangding city and follows the expressway of the kangding section of the g4218 line, which is under construction, to connect the planned g4218 line from xindu bridge to litang and the china national highway 318 off ramp of xindu bridge to the existing expressway. the length of the project is about 79.2 km, and the standard construction of the two-way four-lane expressway is adopted, with a design speed of 80 km/h. it is understood that the construction of the g4218 highway between dartsendo and xindu is of great significance in improving the traffic safety of the sichuan-tibet corridor, enhancing the emergency support capability, safeguarding national security and consolidating the border national defense.