Police respond to a report from a motorist that he hit 'something' in the early hours.
Police searching for a person who may have been hit by a car on the A92 have found nothing so far.
Both carriageways between the Redhouse and Bankhead roundabouts were shut during rush hour.
A helicopter was dispatched to search the area but there's been no trace of anyone or anything.
The alarm was raised by a motorist who believes he hit 'something' just after 3am.