Road Blockers Entry Automation system Road blockers for entrance points Road blockers for apartments, malls etc road blockers for all over Bangalore Optima road blocker Road blockers are designed especially for entrance points If there is a threat of vehicle attack in addition to the control of vehicle access in high security applications. hydraulic road blockers are the unique solution and the most secure systems. . Drive unit is electro-hydraulic Besides, safety accessories like photocells, inductive loop detectors