WA Stabilising a Division of the Hiway Group is a leader in the design and delivery of advanced stabilisation solutions for pavements in road construction, infrastructure, maintenance, gas and mining. We offer a range of subgrade, subbase and basecourse modification services that are more cost effective than traditional road construction and rehabilitation methods. These include foamed bitumen stabilisation, aggregate modification, subgrade and subbase improvement. As well as the cost savings they generate, our innovative solutions reduce construction time, increase strength and durability, and are more environmentally sustainable.