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Delineation associated with barrier systems

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

This technical memorandum provides advice on the recommended practice for delineation associated with flexible (wire rope safety barrier) and semi-rigid (W-Beam & Thrie-Beam) barrier systems in road side left hand shoulder) and median installatio…

Road safety barrier: ground beam

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

To advise on the recommended practice for the design and installation of a ground beam for the support of semi-rigid road safety barrier systems. This design applies to public domain systems only.

TL-3 transition detail

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

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

Curved W-beam guardrail terminal

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

To advise on the recommended practice for the design and installation of a curved W-Beam guardrail terminal for radii between 5m and 15m.

Curved terminal

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

This standard drawing shows details of the accepted curved terminal end terminal treatment as described in Technical memorandum TM2008.

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

Published:
Category: Road safety hardware and practice , Technical memoranda | 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.

Frequently asked questions: Barriers and terminals

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

To provide a list of frequently asked questions with answers in regard to road safety barrier systems, terminals and crash cushions.

Buried in backslope end treatment

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

To advise on the recommended practice for the design and installation of a buried in backslope end treatment.

M23 terminal grading plan

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

This standard drawing shows details of the accepted grading profile for guardrail terminals accepted in NZ Transport Agency specification M23.