To improve highway capacity and reduce the incidence of traffic accident in Qinghai ,in this pa‐per ,setting of traffic safety facilities i .e .traffic signs ,markings ,separation fences etc .on highways in Haixi region ,Qinghai Province are studied ,w hich is significant in protecting life and property safety of drivers and passengers .This paper can provide basis for setting traffic safety facilities in similar projects .%青海省海西地区高速公路上交通标志、标线、隔离栅等交通安全设施设置的研究，对于青海模式的高速公路提高道路通行能力，减少交通事故，保护司乘人员生命财产安全有着深远的意义，并为今后类似项目交通安全设施的设置提供依据。
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