# iRAP Star Rating V3.02 **URL:** https://forum.irap.org/c/irap-star-rating-v3-02/7.md [Latest](https://forum.irap.org/latest.md) · [Categories](https://forum.irap.org/categories.md) --- ## [About the iRAP Star Rating V3.02 -coding questions category](https://forum.irap.org/t/about-the-irap-star-rating-v3-02-coding-questions-category/29)
**Author:** [@james.bradford](https://forum.irap.org/u/james.bradford)\ **Replies:** 1\ **Last updated:** [May 13, 2024, 8:54am UTC](https://forum.irap.org/t/about-the-irap-star-rating-v3-02-coding-questions-category/29 "2024-05-13T08:54:40Z")
This category is intended to answer and record coding question for the iRAP Star Rating v3.02 model. --- ## [How can I identify the exact value of EFI factor for BC and PED from methodology reference v3.10?](https://forum.irap.org/t/how-can-i-identify-the-exact-value-of-efi-factor-for-bc-and-ped-from-methodology-reference-v3-10/1159)
**Author:** [@anjelolosibayanyan](https://forum.irap.org/u/anjelolosibayanyan)\ **Replies:** 0\ **Last updated:** [September 30, 2026, 2:23pm UTC](https://forum.irap.org/t/how-can-i-identify-the-exact-value-of-efi-factor-for-bc-and-ped-from-methodology-reference-v3-10/1159 "2026-09-30T14:23:44Z")
--- ## [Clarification on the Relationship Between Intersection Quality, Pedestrian Crossing Facility Quality, and Delineation](https://forum.irap.org/t/clarification-on-the-relationship-between-intersection-quality-pedestrian-crossing-facility-quality-and-delineation/1156)
**Author:** [@ronnel.relayo](https://forum.irap.org/u/ronnel.relayo)\ **Replies:** 0\ **Last updated:** [June 16, 2026, 6:50am UTC](https://forum.irap.org/t/clarification-on-the-relationship-between-intersection-quality-pedestrian-crossing-facility-quality-and-delineation/1156 "2026-06-16T06:50:16Z")
Dear iRAP Team and Fellow Coders, I would appreciate clarification regarding the coding relationship between Intersection Quality, Pedestrian Crossing Facility Quality, and Delineation in the following scenario. A thre… --- ## [How to upload coding file](https://forum.irap.org/t/how-to-upload-coding-file/1153)
**Author:** [@ahmad.fawaz5](https://forum.irap.org/u/ahmad.fawaz5)\ **Replies:** 0\ **Last updated:** [May 10, 2026, 7:04pm UTC](https://forum.irap.org/t/how-to-upload-coding-file/1153 "2026-05-10T19:04:48Z")
helo , in request access to results in the dashboard, and under sandbox, i couldnt find star rating essentials in order to set a new project and dataset then upload coding file, how to solve it --- ## [Codificação rápida](https://forum.irap.org/t/codificacao-rapida/1152)
**Author:** [@igor.oliveira](https://forum.irap.org/u/igor.oliveira)\ **Replies:** 0\ **Last updated:** [April 15, 2026, 11:10pm UTC](https://forum.irap.org/t/codificacao-rapida/1152 "2026-04-15T23:10:09Z")
Qual guia rápido de codificação utilizar para fluxo de pedestres, do manual de codificação ou o do manual do plano de investimentos? Estão diferentes… --- ## [Coding in vida demonstrator](https://forum.irap.org/t/coding-in-vida-demonstrator/1142)
**Author:** [@fatimahng444](https://forum.irap.org/u/fatimahng444)\ **Replies:** 2\ **Last updated:** [January 13, 2026, 12:38pm UTC](https://forum.irap.org/t/coding-in-vida-demonstrator/1142 "2026-01-13T12:38:02Z")
Greetings, my name is fatimah and i am new here. I am currently working on my coding assignment, and i have a question. My question is on the up grade cost, from my understanding Upgrade cost” in VIDA is not about curren… --- ## [Upload validation failed](https://forum.irap.org/t/upload-validation-failed/1133)
**Author:** [@harrisbatubara20](https://forum.irap.org/u/harrisbatubara20)\ **Replies:** 0\ **Last updated:** [December 11, 2025, 9:28am UTC](https://forum.irap.org/t/upload-validation-failed/1133 "2025-12-11T09:28:42Z")
I have problem after my data set save to csv format and upload to VIDA, feedback from VIDA, “File Formatting Errors”, File appears to be using incorrect Delimiter char. Any one can help me to solved this problem? thx --- ## [Coding of Adverse Crossfall](https://forum.irap.org/t/coding-of-adverse-crossfall/1116)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 0\ **Last updated:** [October 4, 2025, 12:00am UTC](https://forum.irap.org/t/coding-of-adverse-crossfall/1116 "2025-10-04T00:00:14Z")
I’m seeking clarification on the recommended approach when coding horizontal curves with adverse crossfall, particularly where the curve radius is relatively large and, at first glance, may not appear critical in terms o… --- ## [Non-Conforming Road Safety Barrier](https://forum.irap.org/t/non-conforming-road-safety-barrier/1115)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 0\ **Last updated:** [October 3, 2025, 5:32am UTC](https://forum.irap.org/t/non-conforming-road-safety-barrier/1115 "2025-10-03T05:32:31Z")
According to the iRAP coding guide, a road safety barrier that has not been installed correctly should not be coded. However, what is the recommended approach in cases where the barrier, although incorrectly installed, m… --- ## [Operating Speed](https://forum.irap.org/t/operating-speed/1113)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 0\ **Last updated:** [September 12, 2025, 4:13am UTC](https://forum.irap.org/t/operating-speed/1113 "2025-09-12T04:13:24Z")
The guides state that the operating speed, which is the greater of the posted speed limit or the 85th percentile speed, is used when calculating the Star Rating Score. Can someone confirmed that the 85th percentile speed… --- ## [Quiz 8: Comparison of Scenarios](https://forum.irap.org/t/quiz-8-comparison-of-scenarios/1106)
**Author:** [@raagsd1](https://forum.irap.org/u/raagsd1)\ **Replies:** 0\ **Last updated:** [June 27, 2025, 5:21am UTC](https://forum.irap.org/t/quiz-8-comparison-of-scenarios/1106 "2025-06-27T05:21:01Z")
Hi colleagues, I hope you are well. Please help me understand the following question. I don’t understand the part that says ‘’ Actually this Scenario is the one that you have already created for the last assignment’’ do… --- ## [Coding Roundabout](https://forum.irap.org/t/coding-roundabout/1094)
**Author:** [@ronnel.relayo](https://forum.irap.org/u/ronnel.relayo)\ **Replies:** 1\ **Last updated:** [May 8, 2025, 6:13am UTC](https://forum.irap.org/t/coding-roundabout/1094 "2025-05-08T06:13:08Z")
According to the coding manual, “Circular intersections that flow in a single direction around a central island with a radius of 4 meters or more should be coded as ROUNDABOUT.” Based on the attached image, this location… --- ## [Coding complex Intersections](https://forum.irap.org/t/coding-complex-intersections/1086)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 0\ **Last updated:** [February 28, 2025, 2:38am UTC](https://forum.irap.org/t/coding-complex-intersections/1086 "2025-02-28T02:38:55Z")
I am currently working on an intersection arrangement that presents some unique challenges in terms of coding and its impact on FSI estimates. At this stage, the client is primarily focused on obtaining a Star Rating, bu… --- ## [Coding an interchange freeway entry with an added lane](https://forum.irap.org/t/coding-an-interchange-freeway-entry-with-an-added-lane/1079)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 0\ **Last updated:** [February 4, 2025, 2:50am UTC](https://forum.irap.org/t/coding-an-interchange-freeway-entry-with-an-added-lane/1079 "2025-02-04T02:50:12Z")
A standard freeway entry has a simple merge, or a section of parallel lane followed by a merge. Both these situations are straight forward to code. I’m looking for advice on an appropriate coding approach when the entry … --- ## [Merge Lane Coding](https://forum.irap.org/t/merge-lane-coding/1070)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 1\ **Last updated:** [December 16, 2024, 8:53am UTC](https://forum.irap.org/t/merge-lane-coding/1070 "2024-12-16T08:53:17Z")
Hi All, The Star Rating Coding manual specifies a Merge Lane as typically comprising of side-traffic joining the road being assessed. If you have a merge on the road being assessed that would result in a significant amou… --- ## [Star Rating results on motorways](https://forum.irap.org/t/star-rating-results-on-motorways/1069)
**Author:** [@irap.cityplan](https://forum.irap.org/u/irap.cityplan)\ **Replies:** 1\ **Last updated:** [December 9, 2024, 9:14am UTC](https://forum.irap.org/t/star-rating-results-on-motorways/1069 "2024-12-09T09:14:29Z")
Hello, we are currently doing an iRAP project in Czechia where the speed limit on motorways is 130 km/h and the 85th percentile speed is similar (maybe slightly lower). We don’t experience significant FSI rates on motor… --- ## [How to easily determine why the Star Rating is poor](https://forum.irap.org/t/how-to-easily-determine-why-the-star-rating-is-poor/1071)
**Author:** [@irap.cityplan](https://forum.irap.org/u/irap.cityplan)\ **Replies:** 0\ **Last updated:** [December 9, 2024, 8:10am UTC](https://forum.irap.org/t/how-to-easily-determine-why-the-star-rating-is-poor/1071 "2024-12-09T08:10:57Z")
Hello, I have been asked by road authority engineers if there is a fast way to determine why the Star Rating is poor in ViDA, i.e. a function which would list which attributes contribute to the poor rating the most? Ob… --- ## [Little help for Module3-Quiz5](https://forum.irap.org/t/little-help-for-module3-quiz5/1063)
**Author:** [@jcalderon](https://forum.irap.org/u/jcalderon)\ **Replies:** 0\ **Last updated:** [November 16, 2024, 11:11pm UTC](https://forum.irap.org/t/little-help-for-module3-quiz5/1063 "2024-11-16T23:11:58Z")
I am getting this error although all seems to be validated as part of Quiz5 --- ## [Pedestrian observed flow](https://forum.irap.org/t/pedestrian-observed-flow/1054)
**Author:** [@lulrege](https://forum.irap.org/u/lulrege)\ **Replies:** 0\ **Last updated:** [October 13, 2024, 8:38pm UTC](https://forum.irap.org/t/pedestrian-observed-flow/1054 "2024-10-13T20:38:21Z")
Hello For pedestrian observed flow, will you count pedestrians you see on the walkway standing or seating around different shops? --- ## [.kmz lines on map](https://forum.irap.org/t/kmz-lines-on-map/1053)
**Author:** [@pedro497](https://forum.irap.org/u/pedro497)\ **Replies:** 0\ **Last updated:** [October 11, 2024, 8:21pm UTC](https://forum.irap.org/t/kmz-lines-on-map/1053 "2024-10-11T20:21:02Z")
Hello, I would like to have the Excel spreadsheet that you can insert output data to get a .kmz file, with wich you can see a map on Google Earth with lines that represent the attributes coded. Where do I get it? Than… --- ## [Should I code this bicycle lane as paved shoulder or there is no paved shoulder](https://forum.irap.org/t/should-i-code-this-bicycle-lane-as-paved-shoulder-or-there-is-no-paved-shoulder/1038)
**Author:** [@themba.mangane](https://forum.irap.org/u/themba.mangane)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 9:29am UTC](https://forum.irap.org/t/should-i-code-this-bicycle-lane-as-paved-shoulder-or-there-is-no-paved-shoulder/1038 "2024-10-09T09:29:57Z")
--- ## [Road side severity](https://forum.irap.org/t/road-side-severity/1048)
**Author:** [@lulrege](https://forum.irap.org/u/lulrege)\ **Replies:** 1\ **Last updated:** [October 9, 2024, 9:27am UTC](https://forum.irap.org/t/road-side-severity/1048 "2024-10-09T09:27:00Z")
What would the road side severity be for this case in both sides? Cliff, or unprotected safety barrier? --- ## [Right turns at signalised intersections](https://forum.irap.org/t/right-turns-at-signalised-intersections/1009)
**Author:** [@christopher.stokes](https://forum.irap.org/u/christopher.stokes)\ **Replies:** 1\ **Last updated:** [August 6, 2024, 3:51am UTC](https://forum.irap.org/t/right-turns-at-signalised-intersections/1009 "2024-08-06T03:51:44Z")
Hi All, My question is regarding how the iRAP model considers right turns (left turns in countries that drive on the right) at signalised intersections, and hence how these should be coded. There are essentially two way… --- ## [Horizontal curves on approach to large roundabouts](https://forum.irap.org/t/horizontal-curves-on-approach-to-large-roundabouts/1035)
**Author:** [@paul.crowe](https://forum.irap.org/u/paul.crowe)\ **Replies:** 1\ **Last updated:** [August 2, 2024, 7:18am UTC](https://forum.irap.org/t/horizontal-curves-on-approach-to-large-roundabouts/1035 "2024-08-02T07:18:14Z")
A well-designed roundabout will have an approach curve (entry curve) of less than 200m (Austroads recommendation). This is what helps reduces speeds and impact angles at a roundabout and contributes to good safety outcom… --- ## [Codificação de Curvatura](https://forum.irap.org/t/codificacao-de-curvatura/1034)
**Author:** [@anapaula](https://forum.irap.org/u/anapaula)\ **Replies:** 0\ **Last updated:** [July 19, 2024, 8:46pm UTC](https://forum.irap.org/t/codificacao-de-curvatura/1034 "2024-07-19T20:46:37Z")
Nos parâmetros exigidos para projetos geométricos de vias no Brasil (conforme manuais do DNIT - Departamento Nacional de Infraestrutura de Transportes), toda rodovia Classe 0 deve possuir curvas de transição em conjunto … --- ## [The file download in wrong](https://forum.irap.org/t/the-file-download-in-wrong/1027)
**Author:** [@sabrihamza789](https://forum.irap.org/u/sabrihamza789)\ **Replies:** 3\ **Last updated:** [June 14, 2024, 10:01am UTC](https://forum.irap.org/t/the-file-download-in-wrong/1027 "2024-06-14T10:01:52Z")
hello every one , in my Analysis and Reporting , I encountered an issue while downloading the Countermeasures - Including Overridden (zip) file. The data in this file appears incorrect. There are discrepancies when I com… --- ## [Risk worm and FSI](https://forum.irap.org/t/risk-worm-and-fsi/960)
**Author:** [@m.cubero](https://forum.irap.org/u/m.cubero)\ **Replies:** 5\ **Last updated:** [May 15, 2024, 10:57am UTC](https://forum.irap.org/t/risk-worm-and-fsi/960 "2024-05-15T10:57:08Z")
Good day. How do I show this type of table in Vida. --- ## [Traffic Volume attribute on the Transverse road](https://forum.irap.org/t/traffic-volume-attribute-on-the-transverse-road/1020)
**Author:** [@israel.teixeira](https://forum.irap.org/u/israel.teixeira)\ **Replies:** 1\ **Last updated:** [May 10, 2024, 7:59am UTC](https://forum.irap.org/t/traffic-volume-attribute-on-the-transverse-road/1020 "2024-05-10T07:59:06Z")
Regarding the Traffic Volume attribute on the Transverse road, what is the difference between code 4 and code 5, as the information in the Coding Manual is a little confusing. --- ## [Curvature coding](https://forum.irap.org/t/curvature-coding/1012)
**Author:** [@mahesh.b](https://forum.irap.org/u/mahesh.b)\ **Replies:** 1\ **Last updated:** [May 10, 2024, 7:57am UTC](https://forum.irap.org/t/curvature-coding/1012 "2024-05-10T07:57:05Z")
When we are coding for 20M segments, which we should consider for curvature attribute coding 20M or 100m? --- ## [How iRap road attribute risk score is calculated?](https://forum.irap.org/t/how-irap-road-attribute-risk-score-is-calculated/1013)
**Author:** [@msse1728](https://forum.irap.org/u/msse1728)\ **Replies:** 1\ **Last updated:** [May 10, 2024, 7:53am UTC](https://forum.irap.org/t/how-irap-road-attribute-risk-score-is-calculated/1013 "2024-05-10T07:53:37Z")
I want to know the method of formulating iRAP risk scores for each attribute. And is there any option to calibrate or modify the risk score? [Next page](https://forum.irap.org/c/irap-star-rating-v3-02/7.md?page=1)