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Roadblock
01
any condition that makes it difficult to make progress or to achieve an objective
02
a barrier or obstruction placed across a road, often by authorities, to control or stop traffic
Example
The police set up roadblocks to keep protesters away from the government building.
The police set up a roadblock to catch the fleeing suspect.
She encountered a roadblock on the highway due to construction.
The roadblock was lifted after the accident was cleared.
She bravely ran the roadblock to reach the accident scene.
