UPDATE MONDAY: Gladstone residents have shared their stories about a mystery woman walking the highway, after police spent hours searching for one on Saturday night.
Gladstone woman Karli Hobley said 12 months ago she was driving to Tannum Sands with her mum and saw a woman staggering down the same road at 2am.
"I didn't see her face because she was walking the same way we were driving," Ms Hobley said.
"But she had her knees bent in. It looked painful. The way she was walking I thought she was drunk.
"We stopped to see if she needed help, but she had already disappeared.
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"I remember it was about a year ago because it was a few weeks after my 18th birthday and I just turned 19.
"We stopped on the way back too, but we still couldn't find anyone."
Acting Sergeant Andrea Campagnolo said it was a strange situation and she was surprised at how quickly the woman had disappeared.
She said, whatever the case, the dark and winding road with no path or shoulder was not a safe place to be walking.
"It's really important that people are wearing high-visibility clothing when they are walking along the road," Acting Sgt Campagnolo said.
"And just use common sense. Don't go walking alone in dangerous places, especially for females."
The dog squad was called in to help search for a woman seen crying and stumbling down the highway on Saturday night.
One driver called the police after nearly hitting the woman with their car.
But despite extensive searches of the area around Gladstone-Benaraby Rd three times between 8.30pm and 10pm Saturday - twice using dogs - the woman was nowhere to be found.
Acting Sgt Campagnolo said she saw the woman, but by the time she turned her police car around, she had vanished.
There have been no missing person reports filed and, after the third search, there were no more calls about the mysterious woman.
SUNDAY: The Gladstone-Benaraby Rd was shut for almost half an hour on Saturday night after police received mysterious reports of a woman wandering across the road.
One driver said they almost ran the woman over and another said she had been crying and walking erratically up the road.
When police went to investigate the strange reports at 8.30pm it become more bizarre.
The officers confirmed they had seen the woman, but by the time the car had u-turned she had disappeared.
At 8.54pm the road was closed and the dog squad sent to find the woman - which was unsuccessful.
The road was reopened at 9.15pm and 20 minutes later ambulance officers reported seeing a woman matching the description, once again wandering across the same road.
A patrol was sent back but did not find the woman.
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