noun
traffic blockage; quarantine
Refers to the blocking or cutting off of traffic, often for quarantine, disaster control, or security purposes. More formal and specific than general words like 通行止め.
感染拡大を防ぐため、市は主要道路の交通遮断を実施した。
To prevent the spread of infection, the city implemented a traffic blockage on major roads.
交通遮断により、住民は一時的に孤立した。
Due to the traffic blockage, residents were temporarily isolated.