A small fire has broken out on the Pacific Motorway at Yatala during the peak run.
Someone dialled triple zero at 7:10am to report that there was a fair bit of smoke on the M1 south of the off ramp at exit 41 southbound.
Fire Fighters arrived a short time later and had the flames out by 7:22am.
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There were reports it was affecting the centre median.
There is no word yet on the cause and investigators have not been called.