第二合同段线路起讫桩号为K3+273~K9+200,全长约5.927KM,双向八车道。路基挖方103.46万m3,路基填方120.07万m3,防护工程10.63万m3,涵洞及通道610.255m/8道,大桥1547.178m/4座(仙湖1#桥458.36m/(43.5+3*35.5)+(45+60+45)+(45+60+45)钢箱梁、仙湖2#桥337.56m/(45+2*60)+(2*60+45)钢箱梁、大望立交主线桥128.3m/(4*30)现浇梁、望桐路高架桥622.958m/(35+35)+(35+40+40)+(35+35+35+35)+(40+40+35)+(35+35+35)+(35+35)预制梁),隧道(单洞)1176m/1座