Warrnambool police said the accident happened about 4am when a truck slid in wet conditions, ran off the road about five kilometres east of Camperdown and jackknifed w​hile travelling east along the Princes Highway.

T​he driver suffered a blood nose and in shock ​but ​did not require medical attention​.

There have been traffic issues and some delays around the accident scene.

Heavy haulage equipment has been called in.

Police warned drivers to take care in the slippery conditions after heavy rain  this morning.