Abstract: A bollard security system for opening and shutting an entrance or exit to a passageway includes a plurality of bollards activated by a drive system including a counterweight. The system includes vehicle and or personnel recognition and authorization system for lowering the bollards. The system can be operated manually when the drive system is non-operational.

Abstract: The invention relates to a security system for selectively shutting and opening the vehicle entrance or exit or passage ways. It particularly relates to the bollard security system or apparatus for selectively shutting and opening the vehicle entrance or exit or passage ways. It specifically relates to the simple, efficient, automatic and cost effective, bollard security system or apparatus with manual override and method for selectively shutting and opening the vehicle entrance or exit or passage ways. The security system is with electromechanical equipment and we use direct motor to drive the equipment and balancing technology makes load on drive shaft almost nil, thus reduces the power requirement and manual override possible.