The gate went up, and the road barrier went down, clearing the way.
There was no chance to pursue the fleeing truck; for it had started southward from a spot beyond the blocking road barrier.
She cited new pop-up road barriers at the Capitol as an example of potential cross purposes.
In mere minutes, they were down at the road barrier.
The exclusion zone was controlled during this removal action by the use of road barriers and signs.
Passengers have to cross through the road barrier to get from one side to the other.
When the reckless driver starts weaving, the army acts as the road barrier.
When they made the turn, the water in the truck shifted which caused the truck to break through a road barrier.
Its approaches were guarded by small gauntlet of road barriers.
Anti-tank road barriers also made it possible to block roads at necessary points of passage through the tank obstacles.