一、工程概况宿迁至淮安高速公路是江苏省规划建设的“五纵九横五联”高速公路主骨架中“横二”(徐宿淮盐)的重要组成部分。是连接通过苏北地区的四条高速公路国道主干线(同三、京沪、京福、连霍)、沿海通道及宁靖盐、宁宿徐等省干线高速公路区域连接线的重要路段,也是苏北腹地 I. Project Overview Suqian to Huai’an Expressway is an important part of “Wang Er” (XuSu Huai salt) in the main framework of the “Five Verticals and Nine Horizontal Five” Expressway planned and constructed by Jiangsu Province. Is an important part of the connecting line linking the provincial trunk roads of the four expressways (Tongsan, Beijing-Shanghai, Beijing-Fuzhou and Lianhuo), the coastal passageways and the provincial trunk expressways and the Ningshunxu and other provincial highways via the Northern Jiangsu Highway. Northern hinterland