here you go

回答: 不知道大巴的刹车所需距离是多少。布兰雅2016-07-27 19:55:13

Motorhome Safety & RV Towing Safety 

'Your stopping distance is affected by three factors; perception distance, reaction distance, and braking distance. Your RV is longer and larger than most other vehicles on the road and the stopping distance will not be the same as in your car or truck.

Perception Distance is the distance you travel from the time you notice a hazard until your brain registers it. For most people it's about three quarters of a second or about 60 feet at 55 miles per hour.
Reaction Distance is the time it takes to apply the brakes which is another 60 feet.
Braking Distance in a 40 to 50 foot RV at 55 miles per hour takes another 4.5 seconds.
That is a total of 6 seconds and a stopping distance of 500 feet at 55 miles per hour. At 65 the distance is more than 600 feet! And even longer if you are traveling faster than 65! If the road is wet, icy or you have poor visibility or inadequate tire treads the distance increases again." 

 

 

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赞。 -布兰雅- 给 布兰雅 发送悄悄话 布兰雅 的博客首页 (87 bytes) () 07/27/2016 postreply 20:54:14

好图!可是是这个路口吗?这儿没stop sign啊 -MoonRiverMe- 给 MoonRiverMe 发送悄悄话 (0 bytes) () 07/27/2016 postreply 21:05:24

是的。比例太小,看不见路牌了。 -布兰雅- 给 布兰雅 发送悄悄话 布兰雅 的博客首页 (101 bytes) () 07/27/2016 postreply 21:21:54

我下面的帖子就是这个路口,Van在左转弯前看到的左前方的街景。 -TBz- 给 TBz 发送悄悄话 TBz 的博客首页 (0 bytes) () 07/27/2016 postreply 21:39:28

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