快慢車道的分隔島的優點是啥? - 汽車

By Olga
at 2020-01-05T21:21
at 2020-01-05T21:21
Table of Contents
想想封閉式道路的優點就知道了,
第一安全,第二快車道的車速可以提高,第三減少塞車;
缺點也是有,就是造價貴。
用分隔島隔出快慢車道,就是簡易型封閉式道路,
也因為簡易,不像立體化這麼貴,缺點就淡化了~
--
第一安全,第二快車道的車速可以提高,第三減少塞車;
缺點也是有,就是造價貴。
用分隔島隔出快慢車道,就是簡易型封閉式道路,
也因為簡易,不像立體化這麼貴,缺點就淡化了~
--
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