We have updated the ViDA user guide and the Star Rating for Designs user guide, and have made them available in Spanish as well as English.

ViDA User Guide – This 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.

• Download the Spanish version
• Download the English version

This guide has been recently updated in January 2021 (Version 2.1) to include:

• New Raw Star Rating Maps and latest images to reflect recent ViDA updates.
• New sections on how to use the Star Rating Demonstrator and the ViDA Forum.

Star Rating for Designs (SR4D) User Guide – This guide provides instructions on how to use Star Rating for Designs (SR4D),a web application in ViDA which can be used to code existing roads and road designs.

• Download the Spanish version
• Download the English version

See more about our specifications and guides here.