Jason Retallack, a 33-year-old husband, father and haulage operator, has been remembered by his family and community as an irreplaceable presence, following his death in a catastrophic head-on collision between two prime movers on Great Eastern Highway near Meckering, around 130 kilometres east of Perth, on Wednesday morning.

Retallack was only about 15 minutes from home in Cunderdin when the crash occurred, a detail that emerged the following day and deepened the grief felt by those who loved him. A second driver, a 56-year-old man, also lost his life in the collision, which closed a section of the highway for a significant period.

Wife and family pay tribute to Jason Retallack

His wife Kate described herself as absolutely heartbroken, saying her husband had been her "happy ever after." The couple had two children together, and Retallack was widely regarded as a dedicated and devoted father.

In a statement, the family said the world had lost "an incredibly kind-hearted, hard-working, and loved young man." They described him as always easy to identify, typically spotted in his trademark high-visibility shirt, boardshorts and sunglasses.

"He was always the very first person ready to lend a helping hand to anyone in need," the family said. "His loss leaves an irreplaceable void in the hearts of his loved ones and community."

The family also expressed gratitude for the community response to the tragedy. "We are deeply grateful for the overwhelming outpouring of love, support, and condolences from our local communities and friends during this unimaginably difficult time," they said.

Community and organisations mourn a 'truly wonderful man'

Tributes extended well beyond his immediate family circle. Organisers behind the Woodstock Offroad Challenge, an event Retallack had been closely connected with, said he "always went above and beyond" to assist them and described themselves as heartbroken at the news of his death.

The president of the Shire of Wagin, the region where Retallack originally grew up, said the crash had sent shockwaves through the broader Wheatbelt community. "These things are always shocking and our heart goes out to the local family," he said, noting that news of the tragedy was still filtering through at the time.

Retallack had been building his haulage business in the months leading up to his death. In what turned out to be his final delivery, he had transported offroad trucks to Perth the day before the crash, in preparation for an upcoming 4x4 show. He was on his way back home when the collision occurred.

Investigation under way into deadly Meckering collision

Western Australia's Major Crash Unit is investigating the circumstances of the crash. Authorities are appealing to anyone who may have witnessed the incident, or who holds relevant dashcam or other video footage, to come forward through Crime Stoppers.

The loss of two lives in a single collision has prompted an outpouring of grief across the Wheatbelt region, with Retallack's family describing him as a "treasured friend to all" and someone whose absence will be deeply felt. Tributes to those killed in road incidents involving heavy vehicles have drawn renewed attention to highway safety in regional areas, as communities continue to grapple with the dangers faced by transport workers on long-haul routes.

For those who knew Jason Retallack, the tributes share a common thread: a generous, hardworking young man who was heading home to his family when his life was cut short. As his wife Kate put it simply, he was her "happy ever after." Similar heartbreak has been felt by other families who have lost loved ones working in the transport industry.