'Fly High My Beautiful Angel': Tributes For Tradie Killed In Horrific Crash

The tradesman killed in a multi-vehicle crash on Sydney's M4 motorway has been remembered as his fiance's beautiful "lucky charm".

Francis Shanley, 36, was on his way to work when his ute was one of up to 11 vehicles involved in an accident at on off-ramp in western Sydney on Thursday morning.

He died at the scene.

The Irish national's Australian fiance, Broc Nicholson, later confirmed the "devastating news" on Facebook.

"Most of you have heard ... our beautiful, strong head, lucky charm Irish boy [Francis Shanley] has sadly passed away today," she wrote.

"Going to be a long road ahead getting back on our feet ... fly high my beautiful angel, I love you forever and always."

Shanley was originally from Bornacoola in County Leitrim, Ireland, and moved to Australia ten years ago.

His grief-stricken workmates told 10 News First he was a friend, not just a colleague, while hundreds of comments on Facebook paid tribute to the "lovely, genuine guy".

The M4 motorway, and much of the city's west, was brought to a standstill for more than five hours after Shanley's ute was struck by a truck carrying beer kegs at around 5.50am.

READ MORE: Horror Crash Leaves One Dead, Others Trapped Causing Traffic Chaos On The Road 

"We have a young man making his way to work today and unfortunately he's not going home tonight," NSW Police Chief Inspector Adam Phillips told reporters on Thursday.

NSW Ambulance Superintendent Jordan Emery described the scene as "horrific", saying there was wreckage spread across the motorway.

"It was incredibly confronting for our service personnel," he said.

Police said 11 vehicles were involved in the crash, 10 of which stopped, and they continue to search for the driver of the 11th vehicle.

Shanley with his partner Broc Nicholson. Photo: Facebook

“We want to speak with this driver to find what they know about the events leading up to the crash,” Inspector Katie Orr said.

There is no suggestion the driver caused the crash.

All known drivers were taken to hospital for mandatory testing.

Meanwhile, there are calls to investigate the crash site -- a known black spot for locals as drivers attempt to avoid the toll and take the Church Street exit.

Minister for Transport and Roads Andrew Roads has asked Transport for NSW Secretary Rodd Stables for a briefing on the history of the site and safety measures already in place.

"I will await the outcome of the full police investigation into today’s tragic crash before considering any recommendations," he said in a statement to 10 daily.

"My thoughts are with the victim and his family and all those injured in the crash.”

Featured image: Facebook