大广高速公路河北段路线长,地质条件十分复杂,在工程前期设计中通过对路线的优化,很好地解决了地基处理问题和环境保护问题,值得同行借鉴。 The route of Hebei section of Daguang Expressway is long and the geological conditions are very complicated. Through the optimization of the route in the pre-project design, it is a good solution to the problem of foundation treatment and environmental protection, which is worthy of reference for peers.