近日，中原大地气温骤降、普降大雪。为保障高速公路安全畅通，开封市公安局高速交警支队共出动警力900余人次，累计撒布融雪剂4900余吨。而为了应对后续可能到来的寒潮，开封市高速公路管理部门也在各个服务区加开专门窗口，增强巡查力度，确保低温冰冻灾害防御到位。
记者：尚昆仑、袁月明
摄制：王正一
新华社音视频部制作
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