...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Accident Analysis & Prevention >Segment characteristics and severity of head-on crashes on two-lane rural highways in Maine.
【24h】

Segment characteristics and severity of head-on crashes on two-lane rural highways in Maine.

机译：缅因州两车道农村公路的正面碰撞的路段特征和严重性。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

More than two out of three of all fatal crashes in Maine occur on rural, two-lane collector or arterial roads. Head-on crashes on these roads account for less than 5% of the crashes, but they are responsible for almost half of all fatalities. Data analyzed in this study was provided by Maine Department of Transportation and covers all head-on crashes for 2000-2002 during which period there were 3,136 head-on crashes reported. Out of these, 127 were fatal crashes and 235 produced incapacitating but not fatal injuries. These two categories made up over 75% of the crash cost. A clear majority of head-on crashes on two-lane, rural roads in Maine were caused by drivers making errors or misjudging situations. Illegal/unsafe speed was a factor in 32% of the crashes while driver inattention/distraction was a primary factor in 28%. Fatigue was responsible for around one in 40 crashes and one in 12 fatal crashes. Alcohol or drugs was a factor in one in 12 crashes and one in nine fatal head-on crashes. Less than 8% of fatalities involved someone overtaking another vehicle, and only around 14% involved a driver intentionally crossing the centerline. Two in three fatal head-on crashes occurred on straight segments and 67% of these happened on dry pavement. There is a clear trend towards higher speed limits leading to a higher percentage of crashes becoming fatal or having incapacitating injuries. There is also a clear trend - if one keeps speeds constant and AADT within a certain range - that wider shoulders give higher crash severities. Also, for higher-speed roads, more travel lanes (than two) increase crash severity. In summary, there seems to be two major reasons why people get across the centerline and have head-on collisions: (a) people are going too fast for the roadway conditions; or (b) people are inattentive and get across the centerline more or less without noticing it. The latter category of crashes could probably be reduced if centerline rumble-strips were installed. More or less all head-on collisions could be eliminated if median barriers were installed. In-vehicle technology could also be used to significantly reduce the incidence of lane departures. Furthermore, today's speed limits should be better enforced since a high percentage of serious crashes involve illegal speeding. This should be combined with lowered speed limits for targeted high-crash segments.
机译：缅因州三分之二的致命撞车事故发生在农村，两车道的收集者或主干道路上。这些道路上的正面撞车事故占撞车事故的比例不到5％，但几乎占所有死亡人数的一半。这项研究中分析的数据由缅因州交通部提供，涵盖了2000年至2002年的所有正面撞车事故，在此期间，报告了3,136辆正面撞车事故。在这些事故中，有127起致命事故，其中235起无行为能力但无致命伤亡。这两个类别占崩溃成本的75％以上。缅因州两车道乡村道路上的正面撞车事故绝大部分是由于驾驶员犯错或判断错误而引起的。非法/不安全速度是造成事故的32％的因素，而驾驶员注意力不集中/分散注意力是造成事故的28％的主要因素。疲劳造成约40例车祸中的1例和12例致命车祸中的1例。酒精或毒品是每12例撞车事故中的一个因素，而9例致命的正面撞车事故中有1个是因素。不到8％的死亡事故涉及他人超车，只有14％的驾驶员故意越过中线。三分之二的致命正面撞车事故发生在直线路段，其中67％发生在干燥的路面上。明显的趋势是，更高的速度限制会导致更高比例的撞车致死或致残的伤害。还有一个明显的趋势-如果将速度保持恒定并且将AADT保持在一定范围内-较宽的肩部会带来更高的碰撞严重程度。同样，对于高速道路，更多的行车道（多于两条）会增加碰撞的严重性。总而言之，人们越过中心线并发生正面碰撞似乎有两个主要原因：（a）人们对于道路状况而言走得太快； （b）人们注意力不集中，或多或少地越过中心线而没有注意到它。如果安装了中心线隆隆声条，则可以减少后一种崩溃。如果安装了中间屏障，则几乎可以消除所有正面碰撞。车载技术还可用于显着减少车道偏离的发生率。此外，由于严重的撞车事故中有很大一部分涉及非法超速行驶，因此应更好地实施当今的速度限制。这应该与针对目标高崩溃段的降低的速度限制相结合。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号