內側車道根本不是速限問題 - 開車
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By David
at 2018-11-10T02:36
at 2018-11-10T02:36
Table of Contents
既然月經文又來了,那就來表達我的看法吧
前陣子偶然跟外國客人聊到台灣國道內側龜車問題
他對台灣人常常吵國道內側[龜車or超速]的事情感到訝異
他是美國人,高速公路一樣有速限,
但大多數人超車後都立即回到中線
「因為這是安全問題,不是速度問題」
正想繼續聊,他的朋友就來了,談話因此中斷。
我不斷思考他說的,再看過許多國道車禍影片後認為,
的確,內側車道的設計並不是用來貫徹速限
而是為了讓行車動線一致化,避免紊亂的動線太過複雜
設想幾個狀況:
1.內側超車的小客車因為前車擋住而要改由中線超車(違反超車原則)
2.外側行車的遊覽車要超車必須切到中線(遵守原則)
3.中線有車,選擇由內線超車後回到中線(遵守原則)
4.中線有車,選擇由外線超車後回到中線(違反原則)
5.一直在中線開車,車速大約110km/h(遵守規則)
6.一直在中線開車,車速大約90km/h(遵守規則)
容易導致撞車的是:1+2;1+4;1+5;1+6;2+5;2+6;3+4
可以看到,一個違反規則的超車動線,就會大幅增加事故的可能組合
更不用說台灣車多,常在短短的20公尺內出現複雜組合,
例如:1+2+5+6;1+4+5+6;1+2+4....
左右動線紊亂 + 前後車速不一致 + 左右兩線前後車距不一
就會造成高肇事率
所以...一直以來大家的討論方向都錯了
這位外國朋友的一句話,秒解台灣爭論多年的月經文
「這是安全問題,不是速度問題」
此月經可休矣,該更年了
--
前陣子偶然跟外國客人聊到台灣國道內側龜車問題
他對台灣人常常吵國道內側[龜車or超速]的事情感到訝異
他是美國人,高速公路一樣有速限,
但大多數人超車後都立即回到中線
「因為這是安全問題,不是速度問題」
正想繼續聊,他的朋友就來了,談話因此中斷。
我不斷思考他說的,再看過許多國道車禍影片後認為,
的確,內側車道的設計並不是用來貫徹速限
而是為了讓行車動線一致化,避免紊亂的動線太過複雜
設想幾個狀況:
1.內側超車的小客車因為前車擋住而要改由中線超車(違反超車原則)
2.外側行車的遊覽車要超車必須切到中線(遵守原則)
3.中線有車,選擇由內線超車後回到中線(遵守原則)
4.中線有車,選擇由外線超車後回到中線(違反原則)
5.一直在中線開車,車速大約110km/h(遵守規則)
6.一直在中線開車,車速大約90km/h(遵守規則)
容易導致撞車的是:1+2;1+4;1+5;1+6;2+5;2+6;3+4
可以看到,一個違反規則的超車動線,就會大幅增加事故的可能組合
更不用說台灣車多,常在短短的20公尺內出現複雜組合,
例如:1+2+5+6;1+4+5+6;1+2+4....
左右動線紊亂 + 前後車速不一致 + 左右兩線前後車距不一
就會造成高肇事率
所以...一直以來大家的討論方向都錯了
這位外國朋友的一句話,秒解台灣爭論多年的月經文
「這是安全問題,不是速度問題」
此月經可休矣,該更年了
--
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