) ?8 z3 \5 w& D9 W5 s4 d# X看过一篇文章分析大小车的安全性的,里头也是提到实际交通事故的撞击方式,在所有致命事故里,50%涉及非两车撞击(翻车,撞击障物,比如树,水泥柱子),这类事故里跟安全相关的因素车子重量大小不算其中,主要是 # e0 p6 |7 x( ra) an effective restraint system (seat belts and airbags)# |9 H) u5 Q1 E1 I# b. j+ \% A. E
b) effective energy absorption in the crush areas (front end or rear end) 1 s# S5 Q9 ^5 J e1 y5 ?2 g/ Cc) a strong cabin area that does not collapse in the crash . [3 ^* X6 R" K4 U$ q- V$ QNone of these items are automatically better in large and heavy vehicles. In fact, for item c, the roof of a heavier vehicle is more likely to be crushed in a roll-over accident than a lighter vehicle. This is one reason why rollovers in SUV's cause a higher percentage of deaths than in cars (in addition to their higher center of gravity.)# _' B# }7 \. [0 v
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* g3 I o7 q* V. f5 T. C而在涉及两车相撞的另50%致命事故里,70%是侧撞和追尾,这里a和c是主要安全因素,车子质量仍然无关。下面的图表反应了这类碰撞时不同品牌车子的安全状况 : D+ q t$ A. y; P& J" d. l5 b9 QInsurance Institute for Highway Safety (IIHS) are shown below. (see http://www.iihs.org/ratings.), D i& v' C+ v# x3 V8 A! r: s ; N) ^* b8 m6 ~& w5 N6 a8 R- W; q {& D5 h0 r
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