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Operate Truck Mounted Attenuator (OTMA)

Short CoursesCourses
This two (2) day course provides students with the theory and practical skills required to safely and efficiently operate a truck-mounted attenuator (TMA). Truck-mounted attenuator operators play an important role in operating TMAs in ensuring all other members of the work crews are adequately protected from out of control errant vehicles in or around a work zone, a trafficable lane, or road verge area. TMAs are designed to safely absorb the kinetic energy of an errant vehicle should it impact it. Drivers must have the knowledge and understanding for work crew safety including the correct location, providing suitable shunt-forward distances, adequate warning systems for work crew and travelling public if possible.

Learning Outcomes

Positioning and operating TMAs

Responsibilities of TMA Drivers and working effectively with others on-site

Safe, efficient operation of the TMA and implementing traffic guidance schemes

Pre-operational inspection checks of TMA including fault finding and reporting

Entering and exiting traffic with a TMA and working with other vehicles and TMAs onsite

Static and mobile worksite operations including emergency planning preparedness

Communications protocol, two-way radio communications and operating VMS and arrow board devices on the TMA


Upon successful completion, all participants will be issued by AusQ Training RTO 52361 with the following nationally recognised Statement of Attainments:

RIIRTM301E Operate truck or trailer mounted attenuators

AusQ Training is a Main Roads WA approved training provider, therefore, upon successful completion and meeting all the required Main Roads WA pre requisites, participants will also receive a digital Main Roads WA Operate a Truck or Trailer Mounted Attenuator (OTMA) accreditation valid for 3 years.

Course Duration

Days Time
2 days 7:30 am – 4:00 pm (please arrive 15 minutes prior course times)

Pre Entry Requirements

Participants are required to:

Provide a Unique Student Identifier (USI)

Provide photographic identification upon arrival at training course (eg driver’s licence, passport etc)

Have an adequate level of English literacy, numeracy and reading skills as training will involve reading work instructions, writing safety documentation, undertaking basic calculations and interpreting traffic guidance schemes

Have good level of physical fitness/health as training will involve lifting/moving signs and devices (approximately 6-8kgs each), setting up/packing down sites and getting in/out heavy vehicles frequently.

Note: When operating Truck Mounted Attenuators (TMAs),  it is a mandatory requirement to use a fitted four-point safety harness at all times. During training and assessment, students will be required to harness themselves into a four-point safety harness that measures approximately 630mm in length, that straps across the candidate’s waist and chest areas. If students are close to this measurement, please contact us to arrange a safety harness suitability assessment, prior to undertaking training.

In order to meet Main Roads WA requirements, participants MUST:

Hold a current and valid Heavy Rigid (HR) driver’s licence or higher, to operate the TMA

Hold a valid Work Safe WA Construction Safety Awareness Training card.

To determine if your card is valid please click here

Hold a current Main Roads WA Basic Worksite Traffic Management (BWTM) accreditation

Have documentary evidence of traffic management experience including:

a. Provide details of a minimum of 3 worksites with name of supervisor and details of contact number to be verified

b. Completed and signed site specific risk assessment used on a worksite such as a SWMS

The above-listed requirements and evidence must be supplied with your enrolment and no later than ten (10) working days prior to the training course commencement date. This is required to allow finalisation of your enrolment, confirmation and issuing of a Main Roads WA accreditation at the successful completion of the course.

To wear appropriate work attire, including:

steel capped boots

hi-visibility clothing


hat/sun protection

wet weather gear (where required)

This PPE is essential due to practical training and assessment completed during this course.


Metropolitan Rate $996 per person

Construction Training Fund (CTF) SubsidyMetropolitan Rate $496 – You pay $500 per personNote: This subsidy is available to eligible participants only.

The Construction Training Fund provides funding support for training of eligible workers in the construction industry. We acknowledge the support of the Construction Training Fund in reducing the costs of training for eligible workers.

Upcoming Training Dates

Group Bookings

Whether you need traffic management training for 1 to 500 people, basic to advanced training, delivered anywhere in Western Australia – we’ve got the capabilities to assist. If you would like us to travel to your workplace and provide training for a group of people, please take 2 minutes to complete our request form below.

By completing our request form, we will obtain details relating to your training requirements so we can better understand your needs. Once your response has been received we will prepare a formal quote and current availability options for your consideration.

Frequently Asked Questions (FAQs)

Unfortunately, no.  This course requires participants to hold a heavy rigid (HR) driver’s licence to enter and complete the course.  This is required due to the type of Truck Mounted Attenuator (TMA) we use during the training course.

We require a minimum 80 hours of heavy vehicle driving experience evidence to be issued the OTMA industry course accreditation.  We recommend to continue gaining heavy vehicle driving experience first, and once obtained, to then complete this training.  We require participants to be qualified holding a heavy rigid driver’s licence and also confident operating a truck and having this minimum experience evidence helps achieve that.

For those who are still gaining heavy vehicle driving experience, we can still accept an enrolment now for a future-dated course.  However, will require all evidence to be supplied no later than 10 working days prior, to receive your full confirmation of attendance.

In this circumstance, we recommend contacting our Customer Support team to discuss your situation further.  We would ask further questions and seek more information such as – when were you working last, what was your last work position, how long has it been since you’ve either operated heavy vehicle or traffic management etc.  With this information we can determine eligibility or what steps to take next.

We recommend checking the TMA course entry requirements and confirming which criteria you currently hold and can provide evidence.

Having relocated from another state, you will need to complete a bridging course to firstly obtain a Main Roads WA Basic Worksite Traffic Management (BWTM) accreditation, which is a pre-entry requirement of this course.

Currently, training completed in other states can vary to the current requirements set by Main Roads WA.  Therefore we will request a copy of your training certification documents of what you have completed.  This can be copies of your Statement of Attainments or alternatively USI Transcript.  Once we receive these documents we can determine which pathway is the best.

We allow up to 5 participants only for this course.

This course is restricted to smaller class sizes to maximise the time available for each participant, to both learn and be assessed operating truck mounted attenuators.

Have a question?

Please check out our full FAQs page, as you might find the answer you’re looking for instantly. There you’ll find answers to questions you didn’t even know you had! After that, feel free to reach out to our team and we’ll get back to you.

Over 10,000 Australians Trained


Our clients include construction and traffic management organisations across WA.


What Our Customers Say About Us

I choose AusQ Training for the assistance with providing a refresher course for my AWTM. They were able to offer flexibility of service. I would recommend others to AusQ Training within the construction industry seeking Traffic Management training services.

Robbie Cribbin
Project Manager - Downer

We reached out to AusQ Training as it is a contract requirement for our operators to obtain this license to perform works within 3m of a road. AusQ were able to offer the training the soonest. We now have the ability to expand the number of staff we can resource to serve our contract. I would recommend AusQ to others as it is fast access to training that meets requirements.

John Markby
Operations Manager - Phillip Best Plumbing

I would love to just let you know that my trainer was incredibly amazing and I would highly recommend them to everyone! The trainer was very professional throughout the whole training course and made the situation so interesting! Honestly could not rate them enough. They were just absolutely amazing and so approachable! It made doing this course very very fun and makes me want to do another course just to have them as a trainer again!!

Tyler Bond
Student - Private

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