Welcome to iRAP's Knowledge Base
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Methodology fact sheets
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Specifications & manuals
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Reports & Papers
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Case studies for success
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Key documents
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Presentation slide packs
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Fact Sheet 1: Overview
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Fact Sheet 2: Development History
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Fact Sheet 2a: Model Versions
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Fact Sheet 3: Road Attributes
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Fact Sheet 4: Crash Types
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Fact Sheet 5: External Flow & Median Traversability
- Fact Sheet 5: External Flow & Median Traversability - English version
- Fact Sheet 5: External Flow & Median Traversability - French version
- Fact Sheet 5: External Flow & Median Traversability - Spanish version
- Fact Sheet 5: External Flow & Median Traversability - Portuguese version
- Fact Sheet 5: External Flow & Median Traversability - Vietnamese version
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Fact Sheet 6: Star Rating Score Equations
- Fact Sheet 6: Star Rating Score Equations - English version
- Fact Sheet 6: Star Rating Score Equations - French version
- Fact Sheet 6: Star Rating Score Equations - Spanish version
- Fact Sheet 6: Star Rating Score Equations - Portuguese version
- Fact Sheet 6: Star Rating Score Equations - Dutch version
- Fact Sheet 6: Star Rating Score Equations - Vietnamese version
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Fact Sheet 7: Star Rating Bands
- Fact Sheet 7: Star Rating Bands - English version
- Fact Sheet 7: Star Rating Bands - French version
- Fact Sheet 7: Star Rating Bands - Spanish version
- Fact Sheet 7: Star Rating Bands - Spanish version
- Fact Sheet 7: Star Rating Bands - Portuguese version
- Fact Sheet 7: Star Rating Bands - Vietnamese version
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Fact Sheet 8: Smoothed Star Ratings
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Fact Sheet 9: Star Rating Worked Example
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Fact Sheet 10: Casualty Estimation & Calibration
- Fact Sheet 10: Casualty Estimation & Calibration - English version
- Fact Sheet 10: Casualty Estimation & Calibration - French version
- Fact Sheet 10: Casualty Estimation & Calibration - Spanish version
- Fact Sheet 10: Casualty Estimation & Calibration - Portuguese version
- Fact Sheet 10: Casualty Estimation & Calibration - Vietnamese version
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Fact Sheet 11: Countermeasures
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Fact Sheet 12: Multiple Countermeasures
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Fact Sheet 13: Economic Analysis
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Fact Sheet 14: Star Ratings for Schools
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Fact Sheet 15: Model Localisation
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Fact Sheet: Centreline Rumble Strips
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Fact Sheet: Curvature
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Fact Sheet: Delineation
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Fact Sheet: Facilities for Bicycles
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Fact Sheet: Grade
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Fact Sheet: Facilities for Motorcycles
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Fact Sheet: Intersection Type
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Fact Sheet: Intersection Channelisation
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Fact Sheet: Intersection Quality
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Fact Sheet: Lane Width
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Fact Sheet: Median Type
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Fact Sheet: Number of Lanes
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Fact Sheet: Operating Speed
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Fact Sheet: Paved Shoulder Width
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Fact Sheet: Pedestrian Crossing Facilities
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Fact Sheet: Pedestrian Crossing Quality
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Fact Sheet: Pedestrian Fencing
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Fact Sheet: Property Access Points
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Fact Sheet: Quality of Curve
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Fact Sheet: Road Condition
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Fact Sheet: Roadside Severity – Object
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Fact Sheet: Roadside Severity – Distance
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Fact Sheet: School Zone Warning
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Fact Sheet: Service Road
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Fact Sheet: Shoulder Rumble Strips
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Fact Sheet: Sidewalk Provision
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Fact Sheet: Sight Distance Restriction
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Fact Sheet: Skid Resistance / Grip
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Fact Sheet: Speed Management / Traffic Calming
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Fact Sheet: Street Lighting
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Fact Sheet: Vehicle Parking
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Fact Sheet: Full Reference List
This manual assists with the planning, preparation and management of a project for iRAP road assessment or related activities. It is one of a number of specifications and guides provided for completing projects, accreditation and results analysis. This is currently in a BETA version – a final version will be made available shortly.
This 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).
This 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).
This 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).
This 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.
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.
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. This is currently in a BETA version – a final version will be made available shortly.
This specification sets out the requirements for road coding data files to be uploaded into ViDA.
- 2009 iRAP Contract Report – Review of iRAP Risk Parameters
- 2010 iRAP Model Review Workshop Report
- 2011 EuroRAP Report – Star Rating from Road Design Plans (Moldova)
- 2011 iRAP Philippines Technical paper – Phase 1 report and results
- 2011 iRAP Philippines Technical paper – Phase 2 report and results
- 2011 iRAP report – Star Rating Road Improvements (Malaysia)
- 2012 iRAP Innovation Workshop Report – summary notes
- 2012 iRAP Report – Baseline Data Collection in India: Gujarat Phase
- 2012 iRAP Report – Baseline data collection in India: Karnataka Phase
- 2012 iRAP report – Development of Risk Models for RAP
- 2012 iRAP Report – Star Rating Road Design (India)
- 2013 ARRB Research Report: Safe System infrastructure
- 2008 EuroRAP Position paper – Barriers to Change: Designing Safe Roads for Motorcyclists
- 2010 iRAP Position paper – Vehicle Speeds and the iRAP Protocols (EN version)
- 2010 iRAP Position paper – Vehicle Speeds and the iRAP Protocols (NL version)
- 2011 EuroRAP Comparison paper – Crash Rate-Star Rating
- 2011 EuroRAP Consultation Paper – Roads that cars can read report I
- 2011 iRAP/EuroRAP Working paper – Before and After Studies Using Crash Data and iRAP Protocols
- 2013 EuroRAP Consultation Paper – Roads that cars can read report II
- 2016 iRAP Discussion paper – Star Rating Policy Targets
- 2018 EuroRAP – Roads that cars can read report III
- iRAP Discussion paper – Road Deaths in Developing Countries: the Challenge of Dysfunctional Roads
- iRAP Discussion paper – Safer Road Infrastructure Bonds
- iRAP Discussion paper – The True Cost of Road Crashes (EN version)
- 2010 iRAP Technical paper – Saving Lives Through Investment in Safer Roads
- 2011 EuroRAP Report – Star Rating from Road Design Plans (Moldova)
- 2011 iRAP Philippines Technical paper – Phase 1 report and results
- 2011 iRAP Philippines Technical paper – Phase 2 report and results
- 2011 iRAP report – Star Rating Road Improvements (Malaysia)
- 2013 iRAP Technical paper – Relationship between Star Ratings and Crash Costs
- 2016 Technical Report – UNESCAP Asian Highway Network Standard Review Overall Report
- Vaccines for Roads V (2020 edition) - English version
- Vaccines for Roads V (2020 edition) - French version
- Vaccines for Roads V (2020 edition) - Portuguese version
- Vaccines for Roads V (2020 edition) - Spanish version
- Vaccines for Roads V (2020 edition) - Arabic version
- Vaccines for Roads IV (2018 edition) - English version
- Vaccines for Roads IV (2018 edition) - Chinese version
- Vaccines for Roads IV (2018 edition) - Portuguese version
- Vaccines for Roads IV (2018 edition) - Spanish version
- Vaccines for Roads IV (2018 edition) - French version
- Vaccines for Roads IV (2018 edition) - Arabic version
- Vaccines for Roads III (2015 edition) - English full version
- Developing a Locally Owned and Led National or State iRAP programme - English version
- Developing a Locally Owned and Led National or State iRAP programme - Portuguese version
- Developing a Locally Owned and Led National or State iRAP programme - Spanish version
- Developing a Locally Owned and Led National or State iRAP programme - French version
- Developing a Locally Owned and Led National or State iRAP programme - Chinese version
- Developing a Locally Owned and Led National or State iRAP programme - Arabic version
- History of RAPs
- Australian Road Assessment Programme (AusRAP)
- Brazil Road Assessment Programme (BrazilRAP)
- China Road Assessment Programme (ChinaRAP)
- European Road Assessment Programme (EuroRAP)
- India Road Assessment Programme (IndiaRAP)
- Malaysia Road Assessment Programme (MyRAP)
- New Zealand Road Assessment Programme (KiwiRAP)
- South African Road Assessment Programme (SARAP)
- Thailand Road Assessment Programme (ThaiRAP)
- United States of America Road Assessment Programme (usRAP)
In countries with RAP activity, iRAP can assist to provide presentation content. This may include: 1. Country-specific RAP metrics (e.g. km of Star Rating or Risk Mapping assessments completed, number trained, presence of Star Rating for Schools, investment in safer road infrastructure) 2. Country-specific Vaccines for Roads data 3. Current and historical project information 4. Important national partnerships 5. Case studies of success
- 1. Country-specific RAP metrics (e.g. km of Star Rating or Risk Mapping assessments completed, number trained, presence of Star Rating for Schools, investment in safer road infrastructure)
- 2. Country-specific Vaccines for Roads data
- 3. Current and historical project information
- 4. Important national partnerships
- 5. To submit a case study for consideration, click here.