交通部公布的官方数据表明机动车死亡事故从1995年起已经翻了两番多。
Official figures released by the Ministry of Transportation show that motor vehicle fatalities have more than tripled since 1995.
影响山区公路交通安全的因素是复杂的，它是由人、车、路、环境等多因素组成的一个完整的事故因素链。
The factor, which affects the mountain highway safety is complex, is a complete chain composed by people, vehicles, road, environment and so on.
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