road block vs standoff

road block

standoff

adj
  • For use at a distance sufficient from the target to allow defensive fire to be evaded. 

noun
  • A device which maintains a fixed distance between two objects, especially between a surface and a sign or electrical wiring. 

  • A deadlocked confrontation between antagonists. 

How often have the words road block and standoff occurred in a corpus of books? (source: Google Ngram Viewer )