高速公路真的不要跟太緊 - 汽車
By Odelette
at 2019-11-27T09:50
at 2019-11-27T09:50
Table of Contents
借串討論一下
我真的覺得高工局在宣導安全距離的算法應該更新了
小型車安全距離 = 時速/2
大行車安全距離 = 時速-20
到底誰能在高速狀況下抓與前車距離啦
看標線間距一黑一白等於10公尺,所以要五組標線
看旁邊的反光標誌每10公尺一處,所以要5顆反光標誌
說真的,不是每個人都知道上面這兩個東西
安全距離就宣導成3秒法則:
與前車保持3秒的車距
https://youtu.be/jwgmOR8C7ak
也就是前車通過A點後,要過至少3秒你才可以通過A點
拿小型車來算一下:
高工局宣導算法 = 3秒法則算法
v/2 = 1000v*t/3600
移項後得到t=1.8sec
也就是至少保持1.8秒車距,就能達到高工局建議的安全距離
再加上反應時間,保持3秒以上的車距應該是綽綽有餘
大型車也算一下
高工局宣導算法 ≦ 3秒法則算法
v-20 ≦ 1000v*t/3600
把t=3sec代入,得到當V≦120km/h都能符合高工局建議的距離
而台灣大型車的速限也只到100km/h
就算超速20km/h,也剛好還在適用3秒法則的範圍
數三秒,總比數距離容易得多吧
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