Ekurhuleni metro police chief Robert McBride, pictured, returned to work yesterday.
McBride injured his head and broke ribs in a crash on the R511 near Centurion on December 21.
Witnesses alleged he was "blind drunk".
The metro police denied this and refuted allegations that officers had assaulted or threatened witnesses.
The police are investigating an allegation of reckless driving. - Sapa