EN 12767
The European standard EN 12767 specifies performance requirements and defines levels in passive safety terms intended to reduce the severity of injury to the occupants of vehicles impacting with the permanent road equipment structures. Where the support structure is to be used in a multilegged configuration the European standard requires a test against one of the legs with the test vehicle of a multilegged structure. Varley and Gulliver has introduced its HiMast range and has tested both single and multilegged support structures to ensure a wide coverage of sign sizes. For a sign support to meet the requirements of EN 12767, a minimum of two tests are required. There is the speed class test 50, 70 or 100km/h and a low speed test at 35km/h. the former is used to set the energy level ie High Energy (HE), Low Energy (LE) and Non-Energy (NE). The 35km/h test ensures satisfactory functioning of the support structure at low speed. During both tests (speed class and low speed) ASI and THIV values are assessed against the standard to ensure that Occupant Safety Levels are maintained.
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