摘要
通过对山区长大纵坡路线方案在行车安全、平纵指标、经济评价等方面进行比选,确定最终路线方案。
By comparing the driving security,economic index and economic evaluation of the large and long slope of route schemes,the ultimate route scheme is determined.
出处
《北方交通》
2011年第3期8-9,共2页
Northern Communications
关键词
高速公路
连续下坡
平均纵坡
行车安全
Expressway
Continuous downhill
average longitive slope
Driving safety