These Waka Kotahi standard drawings have been developed in response to particular site constraints to assist designers in achieving safe road safety barrier designs. Most relate to information found in an associated technical memorandum or specification. 

Curved guardrail installations (RSB-2 and RSB-2A)

Published: October 2013

These standard drawings show details of the accepted curved rail terminal and curved guardrail treatments for radii ≤25m, as described in technical memorandum TM2008.

Curved guardrail installations (RSB-2 and RSB-2A)

Curved W-beam guardrail terminal technical memorandum (TM2008)

M23 terminal grading plan (RSB-3)

Published: February 2012

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

M23 terminal grading plan (RSB-3)

Road safety barrier systems specification (M23)

TL-3 transition detail (RSB-5M)

Published: March 2022

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

TL-3 transition detail (RSB-5M) [PDF, 993 KB]

Wire rope safety barrier (WRSB) transitions (RSB-7)

Published: November 2014

These standard drawings show details of the accepted configurations for transitions from wire rope safety barrier (WRSB) to semi-rigid guardrail and rigid safety barrier systems as described in Technical memorandum TM2013.

Wire rope safety barrier (WRSB) transitions (RSB-7)

Wire rope safety barrier (WRSB) transitions  technical memorandum (TM2013)

Temporary concrete barrier public domain pin and loop system (TCB-1)

Published: September 2015

This standard drawing (TCB-1) is a metricated variant of the Oregon State Department of Transport (ORDoT) F-shape ‘Precast Concrete Barrier Pin and Loop Assembly’ (RD500).

Temporary concrete barrier public domain pin and loop system (TCB-1)