指的是沿道路纵向设置的分隔车行道用的带状设施。为保证高速公路和一级公路的行车安全和应有的功能，应设置分隔带。
出于对安全因素的考虑，公路有宽阔的车道和路肩、中央分隔带、界限、长长的出入口车道、为安全转弯而设计的弯道，以及限定数量的入口。
Built with safety in mind, the highways have wide lanes and shoulders, dividing medians, or barriers, long entry and exit lanes, curves engineered for safe turns, and limited access.
阻止失控车辆穿越中央分隔带闯入对向车道。
Preventing uncontrolled vehicles from entering the opposite lane through the central divider.
本文介绍了高速公路中央分隔带积水的危害及防治措施。
This paper introduces the injury and measures of prevention cure of waters in central separate belt of expressway.
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