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济青高速公路的维修工作已于2003年12月9日结束,该路的运行条件有较大好转。此次维修是济青高速公路通车10年来的首次大规模路面维修,单幅维修长度约200km,总投资8000万元。工程施工采用了沥青玛蹄脂
Jiqinggaosu maintenance work was completed on December 9, 2003, the road conditions have greatly improved. The maintenance is the first large-scale pavement maintenance of Jiqing Expressway opened to traffic in 10 years, with a single maintenance length of about 200km and a total investment of 80 million yuan. Construction using asphalt mastic