To ensure homeland defense, RSS-2000 and RSS-2012 traffic barriers guard access points to critical areas, ranging from military bases and embassies to federal office buildings or nuclear. Once activated, barrier can instantly block road access and disable a 15,000-lb. vehicle traveling at 50 m.p.h. Features a -in.-thick steel vault, complete with anti-skid top surface, which installs in concrete pit around perimeter of existing roadway. Vault lies flush with road, yet contains 4- by 4-in. removable bollard posts. To stop a threatening vehicle, authorized user activates remote operation from computer-based Command Control Center. Bollards then rise 30 to 48 ins. high, becoming deadly in just 2 secs. to stop moving vehicle. In case of power failure, bollards can be raised manually or by 12-v. battery back-up system. In 1-lane configuration, RSS 2000 measures 10 by 6 by 2 ft.; weighs 5,700 lbs. Model RSS 2012 measures 12 by 6 by 2 ft.; weighs 7,200 lbs. Two-lane versions also available. Options include a tire shredder, multi-location or wireless controls, stoplight with safety horn and strobe, and custom sizes. Price: starts at $35,000.