in theory, the thesis constructs a new idea on effective preventing and controlling htds . in method, firstly to prevent the occurring of each disaster, it designs a set of forewarning indices to efficiently monitor and distinguish the most representative ones from all disaster causers, which is through inducing a new forewarning management method into existing highway operating system . secondly if the disaster has inevitably occurred, the forewarning system will start its emergency countermeasures to lessen the loss degree to the minim 在方法上,一是采用了社會(huì)實(shí)證調(diào)查方法,了解了高速公路交通災(zāi)害和高速公路運(yùn)營管理的現(xiàn)狀和問題,二是通過對高速公路交通災(zāi)害的各類預(yù)警指標(biāo)的設(shè)計(jì)和運(yùn)用,實(shí)現(xiàn)對各種致災(zāi)因子的有效監(jiān)測與識(shí)別,以預(yù)防交通災(zāi)害的發(fā)生,并在災(zāi)害已不可避免發(fā)生的情況下,采取緊急措施將災(zāi)害的損失程度降到最小。