车道加宽高速公路特殊路段安全保障技术研究

Study on the Technology of Safety Measures of Special Roads in Widening Highway

摘要: 随着交通量的增长，四车道改建为六车道可提高高速公路的通行能力，本研究通过分析高速公路加宽可能存在的运行安全隐患，从加强安全防护能力和车道管控能力角度进行加宽高速公路安全保障措施设计研究。最后，以西石高速公路车道加宽项目为依托，进行高速公路车道加宽后道路及行车环境安全保障管理措施研究。

Abstract: As the increase of traffic volume, the traffic capacity of highway can be improved with changing four-lane into six-lane. Through the analysis of the running safety of expressway widening, this study researches safety safeguard measures of widened highway from strengthening the abilities of security protection and lane control ability. In the end, this paper studies on highway safety management measures of widening road and traffic environment based on the widening project of Xishi highway.