A man ran away from his car after it hit a lamppost this morning (Wednesday).
The incident caused traffic delays in Halifax Road near the Kirklees College campus in Dewsbury at around 8.30am.
West Yorkshire Police said the man had fled the car by the time they arrived at the scene.
The man, who was unhurt, was described as Asian and was wearing grey jogging bottoms.
Call police on 101 or Crimestoppers confidentially on 0800 555 111 with any information.