介绍: 本合同段推荐方案路线全长80.214km (以右线计),桥梁全长28051.5m/64座,隧道全长21690.5m/17座,桥隧比例62.01%。工可阶段,桥梁长21828m/48座,隧道长23456m/23座,桥遂比为57.33%,初设较工可相比桥梁增加6223.5m,隧道减短1765m。