FAQs - RTTI

• [TISA-RTTI-FAQ1] - How should national access points incorporate this RTTI 5star quality specification?
• [TISA-RTTI-FAQ2] - What is the benefit for road operators?
• [TISA-RTTI-FAQ3] - If the quality of the data is not great how can the information be traced back to its origin and how can it be improve?
• [TISA-RTTI-FAQ4] - Is there a feedback loop between service providers and road authorities ?
• [TISA-RTTI-FAQ5] - Will there be a global repository for the initial use cases?
• [TISA-RTTI-FAQ6] - Should the validation of the data be done by the data holder or centrally?
• [TISA-RTTI-FAQ7] - Against what is the validation to be made?
• [TISA-RTTI-FAQ8] - What is the role of authorities in validation and how is official evidence used ?
• [TISA-RTTI-FAQ9] - Is there a “data arrow” or feedback loop back to road operators?
• [TISA-RTTI-FAQ10] - What about criteria that require ground truth data??
• [TISA-RTTI-FAQ11] - Is a centralized solution for validation planned?
• [TISA-RTTI-FAQ12] - What insights exist on how to assess the rating?
• [TISA-RTTI-FAQ13] - Who will implement the rating process; road authorities or national bodies?
• [TISA-RTTI-FAQ14] - Does the specification address quality criteria needing ground truth?
• [TISA-RTTI-FAQ15] - Does the rating consider C-ITS or automated driving requirements?
• [TISA-RTTI-FAQ16] - Can the standard assess event-level quality rather than only feed-level?
• [TISA-RTTI-FAQ17] - Will there be more pilots like the DRD case?
• [TISA-RTTI-FAQ18] - How will TISA liaise with NAPCORE and C-Roads on quality assessments?
• [TISA-RTTI-FAQ19] - Which additional use cases will be added next?
• [TISA-RTTI-FAQ20] - What are the next steps now?
• [TISA-RTTI-FAQ21] - About the rating calculation, do you have for speed limits static data?
• [TISA-RTTI-FAQ22] - What does Vehicle Classification mean when assessing Static Speed Limits, and how should vehicle-specific restrictions be evaluated?
• [TISA-RTTI-FAQ23] - What does Pre-announcement mean for Static Speed Limits, and how does it affect the rating?
• [TISA-RTTI-FAQ24] - What does Update Cycle mean, and does it require roadworks contractors to periodically reconfirm ongoing activities?
• [TISA-RTTI-FAQ25] - How can organisations demonstrate compliance with the required DATEX II reference profiles if a suitable validation tool is not available?
• [TISA-RTTI-FAQ26] - Why does the RTTI 5-Star Rating Specification reference OpenStreetMap (OSM) for Functional Road Classification rather than INSPIRE??
• [TISA-RTTI-FAQ27] - How does the RTTI 5-Star Rating Specification address the apparent discrepancies between Roadworks, Road Closures and Lane Closures, particularly when these situations overlap?