清除障碍物，使（河道、道路等）畅通to remove obstacles

• 各地大力整治洪道，对洞庭湖区的芦苇进行了清障。

  All regions made great efforts in clearing up flood channels, clearing out reeds in the Dongting Lake area.

• 张晓路紧急调集人力和机械上路，清障疏通。

  Zhang Xiaolu urgently assigned manpower and machinery to get on the road, remove obstacles, and clear it.