Methodology Fact Sheets
For additional documents tailored to your specific country or region, we invite you to explore the iRAP Knowledge Portal, where you can access country-level insights, data, and supporting resources.
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iRAP Project Planning Manual
This manual assists with the planning, preparation and management of a project for iRAP road assessment or related activities.
iRAP Road Safety Performance Tracking Manual
Provide practical guidance on using iRAP Star Ratings and FSI estimates to measure, compare and report road safety performance over time.
Standard Terms of Reference
Designed to assist those who want to undertake or procure iRAP-specification activities. It can be used as the basis of a project plan, contract and/or in the process of engaging practitioners to deliver services.
iRAP Inspection System – Accreditation Specification
Sets out the requirements for an inspection system to gain iRAP accreditation, which relates to road surveys and coding systems that are used as part of the process of producing Star Ratings and Safer Roads Investment Plans (SRIP).
iRAP Survey Manual
Presents guidelines for the collection of road survey data, which is part of the process of producing Star Ratings and Safer Roads Investment Plans (SRIP).
iRAP Coding Manual
Presents guidelines for the coding of road attribute data, which is part of the process of producing Star Ratings and Safer Roads Investment Plans (SRIP).
iRAP Star Rating and Investment Plan Manual
Presents guidelines for the coding of supporting data, producing Star Ratings and tailoring Safer Road Investment Plans, analysis and reporting, performance tracking and implementation support.
ViDA User Guide
Introduces ViDA, iRAP’s online analysis and reporting tool, and provides instructions for accessing ViDA, creating a ViDA account and accessing Star Ratings and Safer Road Investment Plan (SRIP) results.
Star Rating for Designs (SR4D) I and II User Guides
These guides provide instructions on how to use SR4D I and II, web applications in ViDA which can be used to code existing roads and road designs. Spanish and Portuguese versions of the SR4D II User Guide are coming soon.
Upload File Specification
This specification sets out the requirements for road coding data files to be uploaded into ViDA.
Star Ratings for Road Safety Audit (SR4RSA)
The manual provides policy makers and practitioners with advice on how Road Safety Audits (RSA) and iRAP assessments can be used together during the design, upgrade, and rehabilitation of roads to meet safety targets and reduce injuries from traffic crashes.
iRAP Crash Risk Mapping
This details the principles of the Crash Risk Mapping protocol, how networks are constructed and the rationale for the selection of routes and their related parameters in building a dataset.