roadblock
noun /ˈrəʊdblɒk/
  /ˈrəʊdblɑːk/
 - a barrier put across the road by the police or army so that they can stop and search vehicles
- The police set up a roadblock on the bridge.
 
Extra ExamplesTopics Law and justicec2, Transport by car or lorryc2- Police have set up a roadblock on the road to London.
 - The truck drove through the roadblock at 100 mph.
 - They were stopped at a roadblock leaving the city.
 
Oxford Collocations Dictionaryadjective- army
 - military
 - police
 - …
 
- set up
 - remove
 
- at a/the roadblock
 - through a/the roadblock
 
 - (North American English) something that stops a plan from going ahead
- This bill would create a roadblock for women.
 - The project faces legal roadblocks.
 
Extra Examples- I was hitting a roadblock in my personal work.
 - No sooner had they celebrated their victory than they came up against a new roadblock.
 - The company hit its first roadblock last year.
 - The proposed merger is already facing potential roadblocks.
 - self-defeating beliefs and other roadblocks to happiness
 
Oxford Collocations Dictionaryadjective- big
 - major
 - potential
 - …
 
- remove
 - encounter
 - hit
 - …
 
- up against a roadblock
 - roadblock in
 - roadblock to
 - …