每經(jing)AI快訊(xun)，5月9日，作為國(guo)內首個落地(di)建(jian)設的山地(di)軌道（輪軌+齒軌）交(jiao)通(tong)(tong)項(xiang)目(mu)，都江堰(yan)至(zhi)四姑娘山山地(di)軌道交(jiao)通(tong)(tong)項(xiang)目(mu)（以下簡稱“都四項(xiang)目(mu)”）施(shi)家山高瓦斯(si)隧道順(shun)利貫通(tong)(tong)，標志著(zhu)項(xiang)目(mu)向實現提前開通(tong)(tong)運營又邁(mai)出堅實一步。都四項(xiang)目(mu)建(jian)成后(hou)，對促(cu)進成都平原經(jing)濟區與川西北生(sheng)態示范區協同發(fa)展(zhan)，改善區域(yu)交(jiao)通(tong)(tong)，發(fa)揮省內首條山地(di)軌道交(jiao)通(tong)(tong)項(xiang)目(mu)的示范作用，帶動沿線地(di)區鄉村振興(xing)具(ju)有(you)重要(yao)意義。（央(yang)視新(xin)聞）