The Augusta Highway has been closed to all northbound traffic at Port Wakefield due to a dust storm affecting driver visibility.
Southbound traffic is being diverted through Nantawarra. Police are at the scene and are monitoring conditions.
Speed restrictions may apply. Motorists are asked to take care and drive to the conditions.
Earlier today the Bureau of Meteorology issued a severe weather warning for damaging winds for people in Lower Eyre Peninsula, Kangaroo Island and parts of Mount Lofty Ranges, Eastern Eyre Peninsula and Yorke Peninsula districts.
A cold front is moving across the south and west of the State today bringing strong to locally damaging winds and areas of raised dust.
Ronnie Lydeamore was on her way to Port Pirie when she was forced to pull over due to the dust.
She explains that she stopped one kilometre out of Port Wakefield in a parking bay where they sat for two hours before crawling back into Wakefield, they are yet to move since 12.30pm on Friday, April 5.
"We are now sitting here, no traffic allowed out of Wakefield north bound, that's with three reported accidents traffic is banked up quite a few kilometres south of Wakefield," Ronnie said.
The State Emergency Service advises that people should:
- Move vehicles under cover or away from trees;
- Secure or put away loose items around your property.
- Stay indoors, away from windows, while conditions are severe.