Fundamental to the design of a set of railings is, that they should comply with current safety requirements and Martinsons' bridge experts are happy to make recommendations concerning suitable alternatives. The customer's aesthetic requirements are also of great importance in the design of railings and there are several alternatives to choose from, both in wood and steel. From trelliswork and cross railings, to various forms of latticework. In certain cases to meet the Swedish Standard supplemented safety railings are with netting of plastic or steel. In certain cases to meet the Swedish Bridge Standard´s safety requirements railings are supplemented with netting of plastic or steel.