The security in question involves vehicle barriers that could be quickly raised hydraulically.

The triggers include installation of at least 370 miles of border fence and 200 miles of vehicle barriers.

There was dimmed light in the guardhouse window next to the vehicle barrier.

Typically, it is equipped for access monitoring, and controlling of lighting, alarms, and vehicle barriers.

The new law also provides for more vehicle barriers, checkpoints and advanced technology to bolster border security.

I had to pass through two checkpoints, one of which comprised guardhouses and vehicle barriers, in order to enter the complex.

Around the world, officers were busily building walls and vehicle barriers to thwart suicide bombers.

Alternatives: such as a vehicle arresting barrier.

In 2002, the patrol noted 13 cases of people driving through, over or past vehicle barriers.

Across Baghdad in recent days, homeowners, business people and public employees have laid similar crude vehicle barriers haphazardly across dozens of streets.