A man believed to have been at the wheel when young Queensland woman Ashleigh Humphrys died in a hit-and-run has been found dead . Police say the 57-year-old died suddenly and there are no suspicious circumstances . The man was the owner of a car seized by police investigating the death of Ms Humphrys early on Sunday morning , after a night out to celebrate her 20th birthday . It 's believed she was drunk and lying on the Western Freeway at Mount Coot-tha , in Brisbane , when she was hit . Ashleigh Humphrys was walking home after her 20th birthday celebrations when she was hit by a car and killed at 4am on Sunday in Brisbane . The Courier-Mail said the man was driving to work early on Sunday , and went to work as usual , not realising he 'd hit the young woman . A witness who recorded the man 's licence plate led police to the vehicle earlier this week but no charges were made . Humphrys reportedly died after deciding to walk from Toowong to her Seventeen Mile Rocks home in Brisbane after having an argument with a friend while they were out celebrating her 20th birthday . The young 20-year-old woman is believed to have either have been on her hands and knees or lying on the road . Police said people tried to put Ms Humphrys , who was understood to be intoxicated at the time , into a cab at a Caltex service station but she walked away . A security guard from a nearby service station called police after he witnessed her walking in a disorientated state along the road . The car that police believe killed Brisbane woman , Ashleigh Humphrys , on her 20th birthday . Only moments later the guard , who was still on the phone to police while driving around trying to find Ms Humphrys , discovered her dead on the road at the city end of the Western Freeway . Only moments later the guard , who was still on the phone to police while driving around trying to find Ms Humphrys , discovered her dead on the road . Just before Ms Humphrys was hit , CCTV footage shows two taxis stop near the woman and put their hazard lights on . Tributes have poured in for Ms Humphrys on Facebook . 'Baby girl , there have been so many things running through my head all day , but I mainly just want to say I am so thankful that I had the pleasure of having you as one of my close friends , ' a friend posted . 'You were such a beautiful person , inside and out . Your laugh was contagious and your kindness was shared among so many . Gone , far too soon . ' Readers seeking support and information about suicide prevention can contact Lifeline on 13 11 14 . The city end of the Western Freeway in Brisbane where Ms Humphrys was found dead early Sunday mornin . Just before Ms Humphrys was hit , CCTV footage shows two taxis stop near the woman and put their hazard lights on before a car drove past the taxis , mounted the footpath and then swerved back onto the road before driving off . Ms Humphrys decided to walk from Toowong to her Seventeen Mile Rocks home . Sorry we are not currently accepting comments on this article .
Queensland woman Ashleigh Humphrys died in a hit-and-run on Sunday . A 57-year-old man has been found dead after his car was seized by police . Police say he died suddenly and there are no suspicious circumstances . TL;DR