Motor Driving Instructor Regulator Assessment Preparation

What Is the MDI Regulator Assessment?

The Motor Driving Instructor Regulator Assessment is a government assessment used to help the Registrar of Motor Vehicles determine whether an applicant can demonstrate the required proficiency in traffic laws, driving practices, vehicle control and teaching technique for an MDI licence.

It assesses more than basic driving ability. A candidate needs to demonstrate professional driving and instructional capability, including compliance with the Australian Road Rules, safe driving practices, observation, hazard awareness, commentary and teaching technique.

For a new Class C MDI applicant, the current government guidelines identify three main components:

• Drive Assessment
• Commentary
• Training and Delivery of Tasks

The official Class C Regulator Assessment must be booked and undertaken with a Government Assessment Officer in a government-supplied dual-brake vehicle.

For the current official requirements, refer to the South Australian Government Regulator Assessment – Class C (Car) Procedure Guidelines.

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Drive Assessment

The Drive Assessment is designed to confirm that the applicant can demonstrate a confident, competent Class C drive to the required standard. The current government guideline says this component is expected to take up to 45 minutes and begins with a basic roadworthiness check. The on-road Task 30 component includes a drive of not less than 25 minutes in medium to heavy traffic.

Candidates are expected to demonstrate areas including:

• 100% compliance with the Australian Road Rules
• at least 80% compliance with low-risk driving behaviours and the System of Vehicle Control
• effective observation and hazard awareness
• safe positioning and traffic management
• appropriate braking, steering and vehicle control
• safe, timely decision-making in changing traffic conditions

The government guideline states that any breach of the Australian Road Rules during the Drive Assessment makes that drive component unsuccessful.

Preparation can matter even for an experienced driver. Everyday driving habits do not always match the consistent professional standard expected of a Motor Driving Instructor. DAA preparation can help identify issues with observation, positioning, vehicle-control routines, road-law application or low-risk driving before assessment day.

Commentary Drive

Commentary is not simply naming everything that is visible on the road. The current government guideline describes a clearly communicated commentary of about five minutes while driving, with the candidate identifying the most relevant hazards or changes in the driving environment and explaining how those risks should be managed.

Effective commentary may involve:

• recognising and prioritising higher-risk hazards
• identifying changes in the road or traffic environment
• explaining the action required to reduce risk
• connecting observations to possible consequences
• identifying relevant Australian Road Rules
• maintaining safe vehicle control while speaking

The guideline specifically notes that a candidate does not have to identify every possible hazard when the environment is busy. The priority is to recognise the highest risks and explain them clearly and in useful detail.

DAA commentary preparation focuses on building a structured, relevant and practical way of communicating hazards and responses. The aim is transferable skill, not memorising a script.

Training and Delivery of Tasks

A Motor Driving Instructor must be able to do more than perform a driving task correctly. They must be able to teach another person how to perform it safely and explain why each step matters.

The current Class C guideline divides this component into session structure and training and delivery. Candidates may be assessed on their ability to:

• plan a suitable training session and select an appropriate environment
• introduce the lesson and explain learning outcomes
• demonstrate a task clearly, logically and at an appropriate pace
• explain the reason for each step or function
• link new learning to previous learning where relevant
• adapt training to different learning needs
• check understanding and skill development before progressing
• identify client faults and provide clear, constructive feedback
• maintain safety throughout the session

For a new Class C applicant, the current CBT&A task index for this component includes:

• Task 9 – Moving off uphill
• Task 10 – U-turn
• Task 11 – 3-point turn
• Task 12 – 90-degree angle park
• Task 27 – U-turn in traffic

The assessment recording sheet describes this as an open-book session. The applicant may use the current Driving Companion and prepared notes or training aids. For this component, the Government Assessment Officer acts as the client.

DAA preparation can help candidates work on both sides of the requirement: Can you perform the task correctly? and Can you teach another person to perform it correctly?

Manual or Automatic Regulator Assessment

The current South Australian Government guideline allows the Class C Regulator Assessment to be undertaken in either a government-supplied manual or automatic transmission vehicle.

There is an important licensing consequence to consider: if any successful or credited component of the Regulator Assessment is undertaken in an automatic transmission vehicle, the resulting MDI licence will be restricted to providing training in the operation of automatic transmission vehicles.

The current Drive Assessment standard also requires an automatic-transmission applicant to correctly demonstrate two manoeuvres selected at random from the applicable Driving Companion tasks as part of the System of Vehicle Control requirements.

Why Choose Driver Academy Australia?

Preparation aligned with current requirements

DAA preparation is structured around the current Class C Regulator Assessment requirements rather than outdated assumptions about the assessment process.

Driving and teaching preparation in one place

The Regulator Assessment tests both driving performance and instructional capability. DAA can help candidates work on the practical difference between performing a task to standard and teaching that task clearly, safely and logically to another person.

Targeted preparation

Candidates do not all need the same preparation. One person may have a strong driving standard but weak commentary. Another may communicate well but need work on observation, positioning or vehicle-control habits. Others may need more practice structuring a training session, demonstrating a task or identifying and correcting faults.

Practical feedback

Preparation may focus on road-law application, observation, positioning, the System of Vehicle Control, low-risk driving, commentary, session structure, task demonstration, instructional communication and fault identification.

Preparation beyond memorising a route

The government guideline states that assessment routes are intended to remain confidential. DAA preparation therefore focuses on transferable skills and professional standards that can be demonstrated regardless of the road, route or traffic conditions encountered on assessment day.

Preparing After an Unsuccessful Attempt

An unsuccessful component does not necessarily mean repeating the entire Regulator Assessment. Under the current government guideline, if an applicant is offered another attempt, subsequent attempts only need to cover components that were not successfully completed.

The guideline also states that where more than one attempt is required, there is an expectation that the applicant undertakes additional mentoring and practice between attempts.

Where previous assessment feedback is available, DAA can use it to focus preparation on the areas that need further work, such as:

• Drive Assessment
• Commentary
• Training and Delivery

The purpose is targeted development rather than repeating training that is already at the required standard.

How DAA Regulator Assessment Preparation Works

Preparation is tailored to the candidate rather than sold as a fixed number of hours or a guaranteed pathway to a pass.

• Initial Review – discuss your stage in the MDI licensing process, previous preparation and any assessment feedback available.
• Practical Driving Preparation – review road-law application, observation, positioning, low-risk driving and vehicle-control habits.
• Commentary Development – practise identifying, prioritising and explaining hazards and appropriate responses while maintaining safe control.
• Training and Delivery Practice – work on session structure, demonstrations, explanations, learner communication and feedback.
• Assessment-Style Practice and Feedback – bring the elements together and identify areas that still need further practice.

The exact preparation sequence and emphasis will vary according to the candidate’s needs.

Official source: South Australian Government, Regulator Assessment – Class C (Car) Procedure Guidelines, July 2025. Candidates should check the current government requirements before booking or attending an assessment.