A MSUNDUZI traffic department official accused of slapping a heavily pregnant Pietermaritzburg woman in the face for allegedly disobeying her instruction has come under fire from the DA in KwaZulu-Natal.

The incident, which took place during Sunday's Maritzburg Marathon, has left Buyisiwe Makhoba shaken.

DA transport spokesperson Radley Keys said according to reports, Makhoba was one of several frustrated motorists forced to wait at an intersection after the officer failed to allow cars through, despite gaps between groups of runners.

When Makhoba edged her car through the intersection, the traffic officer allegedly struck her face through the open car window.

"Despite the fact that Makhoba failed to obey her instruction, the traffic officer's response is excessive and she had no right, whatsoever, to assault her.

"There are far too many law enforcement officers who think they are above the law," Keys said.

"The DA has repeatedly called for a review of the training procedures for law enforcement officers and this incident demonstrates that there is a clear lack of discernment when it comes to dealing with offences committed on our roads."

Makhoba has laid a charge of criminal assault against the officer. Msunduzi police confirmed the incident, with Superintendent Kwenza Khumalo promising a full investigation.

"The DA hopes this young woman will follow through with her criminal case and we will watch with interest to see the outcome of the investigation," Keys said.

Makhoba could not be reached for comment.