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Describes the road attribute risk factors used in the iRAP methodology for Centreline Rumble Strips.

Describes the road attribute risk factors used in the iRAP methodology for Curvature.

Describes the road attribute risk factors used in the iRAP methodology for Delineation.

Describes the road attribute risk factors used in the iRAP methodology for Facilities for Bicycles.

Describes the road attribute risk factors used in the iRAP methodology for Facilities for Motorcycles.

Describes the road attribute risk factors used in the iRAP methodology for Grade.

Describes the road attribute risk factors used in the iRAP methodology for Intersection Type.

Describes the road attribute risk factors used in the iRAP methodology for Intersection Channelisation.

Describes the road attribute risk factors used in the iRAP methodology for Intersection Quality.

Describes the road attribute risk factors used in the iRAP methodology for Lane Width.

Describes the road attribute risk factors used in the iRAP methodology for Median Type.

Describes the road attribute risk factors used in the iRAP methodology for Number of Lanes.

Describes the road attribute risk factors used in the iRAP methodology for Operating Speed and Mean Speed.

Describes the road attribute risk factors used in the iRAP methodology for Paved Shoulder Width.

Describes the road attribute risk factors used in the iRAP methodology for Pedestrian Crossing Facilities.

Describes the road attribute risk factors used in the iRAP methodology for Pedestrian Crossing Quality.

Describes the road attribute risk factors used in the iRAP methodology for Pedestrian Fencing.

Describes the road attribute risk factors used in the iRAP methodology for Property Access Points.

Describes the road attribute risk factors used in the iRAP methodology for Quality of Curve.

Describes the road attribute risk factors used in the iRAP methodology for Road Condition.

Describes the road attribute risk factors used in the iRAP methodology for Roadside Severity – Object.

Describes the road attribute risk factors used in the iRAP methodology for Roadside Severity – Distance.

Covers the range of advance warning provided for schools

Describes the road attribute risk factors used in the iRAP methodology for Service Road.

Describes the road attribute risk factors used in the iRAP methodology for Shoulder Rumble Strips.

Describes the road attribute risk factors used in the iRAP methodology for Sidewalk Provision.

Describes the road attribute risk factors used in the iRAP methodology for Sight Distance Restriction.

Describes the road attribute risk factors used in the iRAP methodology for Skid Resistance/Grip.

Describes the road attribute risk factors used in the iRAP methodology for Speed Management/ Traffic Calming.

Describes the road attribute risk factors used in the iRAP methodology for Street Lighting.

Describes the road attribute risk factors used in the iRAP methodology for Vehicle Parking.

Provides a complete list of citations used in the selection of iRAP road attribute risk factors.

Provides an overview of the Star Rating and Safer Roads Investment Plan development history.

Provides an overview of Star Ratings and Safer Roads Investment Plan model version management.

Lists the road attributes included in iRAP assessments.

Provides an overview of the road users, crash types and crash initiation modes used in the models.

Describes External Flow Influence factors.

Describes the iRAP Star Rating Score equations.

Describes the Star Rating bands and how they were set.

Provides an overview of the process used to smooth Star Ratings

Includes a worked example of the way in which Star Ratings are calculated.

Describes how the number of casualties is estimated and models are calibrated.

Describes the road safety countermeasures used in the methodology.

Describes how the effectiveness of a countermeasure is estimated when used with others.

Describes the economic analysis used to prioritise countermeasure options.

Describes the background research and development associated with the Star Rating for Schools methodology.

This factsheet provides an overview of the functionality provided to localise the Star Rating and Safer Roads Investment Plans.

Answers to common technical and data management queries.

This consolidated reference guide fully describes the iRAP models and risk factors, as well as the evidence which underpins these.

Details the changes made to the crash risk models, risk factors and coding guidance.