Published: 30 October 2024 | Category: Guidance for specialists | Audiences: Local & regional government, Road controlling authorities, Road traffic engineers & consultants, Roading contractors
The Infrastructure risk rating manual (IRR) is a proactive method for assessing road safety risk developed by NZ Transport Agency Waka Kotahi. IRR is based on the Star Rating approach of coding road and roadside features to model the underlying risk of a road section but requires fewer inputs.
Related resource
Guidance – Land Transport Rule: Setting of Speed Limits 2024 [PDF, 1.8 MB]
