Williams A F, Lund A K, Preusser D F
Accid Anal Prev. 1985 Apr;17(2):135-45. doi: 10.1016/0001-4575(85)90016-8.
Previous studies have shown that delaying licensure reduces motor vehicle injuries. This study examined the relationship between licensing laws and the timing of obtaining drivers licenses. The states studied have various laws, including minimum licensing ages of 15, 16 and 17; minimum learners permit ages of 15 and 16; and teenage night driving curfews. A questionnaire survey of 52,304 students was conducted in 75 high schools during the spring of 1983. The schools were selected from Orange County, California; rural Colorado; and most or all of Louisiana, Michigan, Mississippi, New Jersey and New York. The results indicated that the minimum age of licensure has obvious strong effects in delaying licensure. Setting the learners permit age later also apparently delays licensure. The night driving curfew in New York State (9 p.m.-5 a.m.) is seen by students as a factor in their decisions to delay obtaining licenses; Louisiana's 11 p.m.-5 a.m. curfew has a much smaller effect, if any.
先前的研究表明，延迟发放驾照可减少机动车伤害。本研究调查了驾照发放法律与获取驾照时间之间的关系。所研究的州有各种不同的法律，包括最低领证年龄为15岁、16岁和17岁；最低学习许可证年龄为15岁和16岁；以及青少年夜间驾驶宵禁。1983年春季，在75所高中对52304名学生进行了问卷调查。这些学校选自加利福尼亚州奥兰治县、科罗拉多州农村地区以及路易斯安那州、密歇根州、密西西比州、新泽西州和纽约州的大部分或全部地区。结果表明，最低领证年龄对延迟领证有明显的强烈影响。推迟学习许可证年龄显然也会延迟领证。纽约州的夜间驾驶宵禁时间（晚上9点至凌晨5点）被学生视为他们决定延迟获取驾照的一个因素；路易斯安那州晚上11点至凌晨5点的宵禁影响则小得多，甚至可能没有影响。
