行车环境的特殊性和路面抗滑性能耐久性是影响高速公路隧道交通安全的重要因素。
The particularity of driving environment and durability of pavement skid-resistant performance are important factors which influence traffic safety in expressway tunnels.
城市桥梁造型美学是城市的景观特色，也是城市道路交通安全的重要影响因素。
The aesthetics of urban bridge types is a feature of an urban landscape, it also is an important factor that influences on an urban road traffic safety.
因此，开展创建“平安畅通县区”活动，解决影响交通安全的因素，就显得刻不容缓。
Therefore, to create a "safe unimpeded county" activities to address the factors that affect traffic safety, it becomes urgent.
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