论文部分内容阅读
铁路平交道口历来是铁路伤亡的多发地段,随着列车提速工作的不断推进,车流密度不断加大,道口将越来越繁忙。近年来虽然铁路道口平交改立交的工作在逐步展开,但由于其周期长、投资大,而且受相关条件限制,不可能将所有的平交道口改
Railroad crossing has always been a multi-site railway casualties, with the train speeding work continues to advance, increasing traffic density, crossing will be more and more busy. In recent years, although the crossroads of railroad crossings have been gradually changed over to work, their long cycle, large investment and restrictions on relevant conditions make it impossible to shift all crossroads