[UNCLASSIFIED]
Road Safety
1982
Act 
Evidence of what works 
Speed and infrastructure
NZ Case studies
Information 
June 2023
Official 
the 
under 
Released 
[UNCLASSIFIED]

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[UNCLASSIFIED]
Road Safety Interventions
DSI effectiveness based on research and evidence used to forecast predicted benefits for SIP
1982
Act 
Information 
Official 
the 
under 
https://www.nzta.govt.nz/assets/resources/standard-safety-intervention-toolkit/standard-safety-intervention-toolkit.pdf
Released 
[UNCLASSIFIED]

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[UNCLASSIFIED]
Road Safety Interventions
Some interventions are more effective than others
1982
Act 
Information 
Official 
the 
under 
Austroads Research Report AP-R509-16 Safe System Assessment Framework
Released 
[UNCLASSIFIED]

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[UNCLASSIFIED]
NZ Case Studies
Raised Safety Platforms
1982
Act 
Information 
Official 
the 
under 
Released 
[UNCLASSIFIED]

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[UNCLASSIFIED]
Raised Safety Platforms
Thomas / Gordonton
1982
Effectiveness
Act 
• 100% reduction in DSI 
crashes
• 98% reduction in all 
crashes
Speed profile
Information 
High speed environment     
(70-80km/h approaches) with 
50km/h design platforms
Official 
n
o
ti
lla
ta
s
the 
In
under 
Primary 
treatment
Case study document link - https://www.nzta.govt.nz/assets/Safety/docs/road-to-zero/safe-system-case-study-raised-safety-platforms.pdf
Released 
[UNCLASSIFIED]

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