The unique Terra Quantum Bollard is a Shallow Depth, Side Folding Retractable HVM Terra Bollard which has been successfully PAS 68 impact tested stopping a 7.5t vehicle travelling at 30mph (48kph), which equates to 667kJ, with ZERO PENETRATION. This product is automated and twinned with a static unit which both stand at 925 mm (3 ft 4 in).