This technical memorandum provides advice on the recommended practice for the design and installation of transitions between wire rope safety barriers (WRSB) and semi-rigid and rigid barrier systems. The barrier configurations in the memo are generic. For specific details for proprietary barrier systems, contact the system supplier.
This guide covers a considerable number of faults and situations that are dealt with by police who hold a certificate to carry out level 3 and level 5 inspections, CVIU vehicle safety officers and NZ Transport Agency transport officers. They contain a set of national enforcement standards designed to ensure that heavy vehicle defects are dealt with uniformly throughout the country. These guides are also available to the transport industry as a reference guide.
The launches of the Safer Journey’s initiative and the Decade of Action for Road Safety have brought the way we design for safety into focus. The purpose of this document is to define the Safe System philosophy for dual carriageway roads and how this may vary with context. In particular these guidelines are intended for use on all the roads of national significance (RoNS) projects.
This technical memorandum details advises on the status of bridge W-beam guardrail, its phase-out and accepted (restricted) future use. From July 2013, bridge W-beam guardrail is no longer to be used for new installations on state highway structures. Repair of existing installations is permitted where the level of damage does not warrant system replacement.