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Road safety hardware system testing

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road controlling authorities

To advise of the compliance testing requirements for road safety hardware systems.

Dent breakaway system for signposts

Published: | Category: Technical memoranda , Road delineation & signs | Audience: Road traffic engineers & consultants

This memo provides advice on the use of the Dent breakaway system in sign installations.

TL-4 transition detail

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road traffic engineers & consultants

This standard drawing shows details of the accepted W-beam to rigid barrier transition for use on state highways.

Provision of services on existing state highway structures

Published: | Category: Technical memoranda , Structures (bridges, culverts & geotechnical) | Audience: Road traffic engineers & consultants

This memo provides requirements for the provision of services on existing state highway structures. These requirements are intended to assist utility operators to prepare suitable documentation for review by the NZ Transport Agency.

Lapping of semi-rigid guardrail

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road traffic engineers & consultants

To advise on the recommended practice for the lapping of semi-rigid barrier systems (W-beam and thrie-beam).

Installation and maintenance of M19 3-bolt shear base lighting columns

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road traffic engineers & consultants

To advise on the required practice for installation and maintenance of M19 3 bolt shear base lighting columns to ensure safe operation.

Installation of slip base sign fixings

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road traffic engineers & consultants

To advise on the required practice for installation of slip base sign fixings to ensure safe operation and compliance with NZ Transport Agency P24 specification and RMSA Compliance standard for traffic signs (2008).

Use of reclaimed tyre rubber in asphalt

Published: | Category: Technical memoranda , Surfacings & asphalt | Audiences: Road controlling authorities, Road traffic engineers & consultants

This report identifies possible methods and constraints on the use of waste tyre rubber in asphalt in New Zealand. There are two main methods: Wet process - ground tyre rubber (GTR) is first combined with the asphalt binder and can produce asphalt with superior properties; and dry process – the GTR is used to replace a fraction of the aggregate and does not appear to offer any performance enhancement.

Wire rope safety barrier (WRSB) transitions

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road traffic engineers & consultants

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.

Guidelines for edge protection and medians on dual carriageway roads, incorporating a Safe System philosophy

Published: | Category: Technical memoranda , Road safety hardware and practice | Audience: Road traffic engineers & consultants

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.
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