Effective road safety hardware such as permanent and temporary barrier systems, frangible lighting columns and breakaway devices are used to provide forgiving roads and roadsides.
List of road safety hardware and practice memoranda(external link)
Advice on required practice for selection, installation and maintenance of road safety barrier systems.
Advice on required practice for selection, installation and maintenance of traffic sign supports.
Advice on required practice for selection, installation and maintenance of road lighting columns.
Details of standard drawings developed in conjunction with NZ Transport Agency technical memoranda.
Flexible road safety barriers are built from steel wire ropes mounted on posts that are designed to break when hit. Their main purpose is to stop traffic leaving the road and colliding with solid objects such as other vehicles, trees, poles, or rolling.