The iRAP Star Rating Model v3.10 is now the default model for all ViDA users, with flexible ways to get started:
In the Demonstrator
v3.10 is now the default view. You can switch between available model versions using the model selection button on the left-hand panel. The selected model is shown in white text.
For new datasets
Create a new project and select v3.10 when setting up your dataset.
These updates give users easy access to the latest methodology and improved modelling capabilities.
For converting upload files
The Upload page includes a feature that allows you to upgrade upload files from v3.02 to v3.10, and downgrade upload files from v3.10 to v3.02, enabling comparisons between assessments.
👉 Information on how to convert data between model versions is already covered in Section 4.2 of the Star Rating and Investment Plan Manual.
📘 Helpful reminder
There is also a new Coding Guide, new Star Rating and Investment Plan Manual, and an updated Upload File Specification available to support the new model—make sure to refer to these resources when working with v3.10.
📅 Available to all users
Model 3.10 Resources
iRAP Methodology Reference Guide
This consolidated reference guide fully describes the iRAP models and risk factors, as well as the evidence which underpins these.
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.
Upload File Specification
This specification sets out the requirements for road coding data files to be uploaded into ViDA.
iRAP Star Rating Model Update Explainer Note
Details the changes made to the crash risk models, risk factors and coding guidance.
iRAP Star Rating Model Update FAQs
Answers to common technical and data management queries.