Barricades

Barricades across driveways say "Keep Out."

The protestors broke through the barricades in front of the presidential palace.

The soldiers set up barricades.

Groups of citizens (...) were scattered round; and if they were to be as violent in action as they were in gesture and discourse, the future might well be matter of apprehension. But Bournonville, who had witnessed the day of the barricades in the first La Fronde, looked on with great composure.