公路干线行车道加宽及行车安全

Widden and Driving Safety of Driving Line Main Highway

该文对公路干线行车道的加宽及和行车安全进行了论述。文中从分析交通事故的角度出发，说明中央分隔带的设置与取消以及其宽度的变化对行车安全的影响，同时，对行车道加宽受限制的条件下，提出依靠某些横断交叉尺寸的缩小来实现行车道的加宽，以保证中央分隔带的宽度的建议。

The paper discuss widden and Safety of main line of highway.And explain a influence to Set up and remove the Centre strip,and Change of its width,from analysis of traffic accident.While put forward widening driving road by reducing the intersect size of section under the Condition to limit widening road ,to ensure tlu wide of centre,strip.