項目概況：

寧夏G110線麻黃溝至正誼關溝段公(gong)路(lu)工程(cheng)已列入國(guo)家(jia)公(gong)路(lu)網規劃（2013年-2030年），本項目起點位(wei)(wei)于寧夏國(guo)道(dao)110線寧蒙(meng)交界K1110+900處，內(nei)蒙(meng)側(ce)路(lu)基(ji)寬度18m，路(lu)面寬度16.5m，兩側(ce)各0.75m土(tu)路(lu)肩。終點位(wei)(wei)于K1130+350正誼關橋處，本次改造不包(bao)括正誼關橋。

本項目主要控(kong)制點有：麻黃溝、石嘴山(shan)(shan)收(shou)(shou)費站、中(zhong)央大道(dao)平交(jiao)道(dao)口(kou)、運(yun)(yun)煤鐵路(lu)(lu)專(zhuan)線(xian)(xian)(xian)平交(jiao)道(dao)口(kou)、興(xing)惠路(lu)(lu)平交(jiao)道(dao)口(kou)、G6京藏(zang)高速分離(li)式立(li)(li)交(jiao)、正誼(yi)關橋。路(lu)(lu)線(xian)(xian)(xian)自北向南(nan)，沿(yan)(yan)原有G110線(xian)(xian)(xian)布(bu)設(she)。路(lu)(lu)線(xian)(xian)(xian)沿(yan)(yan)包(bao)蘭鐵路(lu)(lu)東側(ce)平行布(bu)設(she)，起點樁號沿(yan)(yan)用現有國(guo)道(dao)樁號K1110+900。路(lu)(lu)線(xian)(xian)(xian)自北向南(nan)跨(kua)越(yue)麻黃溝后，至K1116+700處為(wei)石嘴山(shan)(shan)收(shou)(shou)費站，于K1123+202與石嘴山(shan)(shan)煤炭礦務局的運(yun)(yun)煤鐵路(lu)(lu)專(zhuan)線(xian)(xian)(xian)立(li)(li)體交(jiao)叉后，繼續向南(nan)布(bu)線(xian)(xian)(xian)在(zai)K1124+100與石嘴山(shan)(shan)規(gui)劃區的花(hua)園(yuan)街相接，沿(yan)(yan)花(hua)園(yuan)街布(bu)線(xian)(xian)(xian)至與興(xing)惠路(lu)(lu)平交(jiao)口(kou)后在(zai)K1128+920下穿G6京藏(zang)高速分離(li)式立(li)(li)交(jiao)至K1130+350路(lu)(lu)線(xian)(xian)(xian)終點—正誼(yi)關橋，全線(xian)(xian)(xian)均沿(yan)(yan)原舊路(lu)(lu)中(zhong)線(xian)(xian)(xian)布(bu)線(xian)(xian)(xian)。