The potential for safer cars means accidentstatistics would drop: some 94% of road accidents in the U.S. involve human error.
汽车可能会更安全，这意味着交通事故的数量会下降：在美国，约94%的交通事故涉及人为失误。
2
The traffic conflict technique is a new evaluating method based on non -accidentstatistics in traffic safety field.
交通冲突技术是国际上新兴的一种非事故统计技术。
3
Environment conditions such as narrow streets, heavy fog, intermittent rain or snow resulted in slippery roads also contribute to the accidentstatistics.