“北京建造”豫西北展担当，沁伊高速通车助力区域联通

Core Points - The newly completed highway from Qinyang to Yichuan in Henan Province is a significant infrastructure project that connects multiple counties and cities in the northwestern region of Henan [1][5] - The highway is part of the "13445" project in Henan, with a total length of 20.847 kilometers, linking Qinyang, Wenxian, and Mengzhou, and traversing 7 towns and 17 administrative villages [1][5] Construction Challenges - Since the project commenced in April 2023, the construction faced significant challenges, including a fill volume of over 5.08 million cubic meters, equivalent to building a large dam [3] - The project required the construction of 58 bridges, totaling nearly 9 kilometers, with complex tasks such as the installation of over 10,000 tons of steel box girders and several kilometers of cast-in-place box girders [3] - The construction team from Beijing utilized 10 new technologies across eight major areas, significantly enhancing engineering efficiency and quality, achieving a 100% compliance rate for key indicators of the subgrade and a pavement smoothness precision of below 0.5 millimeters [3] Economic Impact - The opening of the Qinyang-Yichuan highway will effectively connect multiple national expressways, including the Erguang and Lianhuo, optimizing the road network structure in northwestern Henan [5] - The highway will greatly reduce travel time between towns along the route and significantly lower logistics costs [5]