Road – Safety Assessment


Safety Assessment Road is used to establish the driving related ability and safety-related personality traits of professional drivers. The purpose of the Safety Assessment Road is to optimise the selection of professional drivers (inc., truck drivers, driving instructors, bust drivers, heavy vehicle and hazardous goods drivers, taxi and delivery services drivers) that possess the necessary driving-related skills and attributes.  In addition, the assessment can also be used to identify the training needs and ability deficits of experienced professional drivers post accident or critical incident.

The dimensions and tests of Safety Assessment Road have been selected on the basis of a theoretical model and their suitability for predicting driving behaviour has been verified in a validation study.  From a scientific point of view, the selection of dimensions for the Safety Assessment Road is based on the so-called "GDE matrix" (Goals for Driver Education), which was developed in the context of the EU project GADGET (Guarding Automobile Drivers through Guidance, Education and Technology, Siegrist 1999).

 The GDE matrix is a hierarchical schematization of the driving task described on four levels. The process of driving a motor vehicle comprises the driver's external circumstances and situations, skills and abilities, as well as values and attitudes.  On the basis of this, the Safety Assessment Road assesses the following dimensions: (1) vehicle operation, (2) coping with critical situations, (3) analysing and understanding situations and (4) safety-relevant personality.




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The Safety Assessment Road test set comprises of the following dimensions and abilities:


Ability Definition

Duration in minutes

Logical reasoning

Capacity to train and acquire new knowledge and skills, make informed decisions (e.g. not operating under fatigue or influence of alcohol and drugs) as well as plan routes and trips and forecast potential traffic.

approx. 15

Stress tolerance – Performance based

Capacity to respond to visual and auditory signals under varying time and/or cognitive pressure, using co-ordinated and simultaneous multi-limb responses (e.g. evasive manoeuvres, and avoidance of oversteer or understeer especially when road surface is degraded or wet)

approx. 6

Reaction time

Capacity to process information and react swiftly such as during emergency situations (e.g. aggressive acceleration or braking to avoid an accident)

approx. 6


Capacity to maintain focus on traffic, signals and road signs and avoid distractions such as loud or noisy passengers, roadside and other events in the field of vision

approx. 10

Situational Awareness

Capacity to gain a visual overview of the environment and be aware of other immediate traffic and road signs in order to forecast speed and braking distances, and change lanes safely

approx. 8

Safety orientation (personality traits)

Tendency to be: risk avoidant, to exercise self and impulse control, calm under pressure, and accountable/responsible

approx. 8

Total length of the test set

approx. 53