What is needed to become a VIC ROADS or MAIN ROADS WESTERN AUSTRALIA (MRWA) contractor? Find Useful and Helpful Information Here. We help Contractors pass VIC ROADS and Main Roads Western Australia (MRWA) Contractor Registration process. Main Roads Western Australia (MRWA) Approved Suppliers are required to have in place systems that meet Health and Safety (OH&S) … Continue reading Become a VicRoads or Main Roads Contractor Today!