Twenty-eight female guards were unfairly dismissed by a security company because the client‚ Metrora.
Irate motorists claim that a "blue-light" Jacob Zuma motorcade pushed them off the N3 freeway near Pietermaritzburg on Sunday afternoon.
Motorist Faizel Mooideen said: "An officer in the third vehicle pointed a rifle at us. My family was traumatised."
Pointing a firearm is a criminal offence.
There have been many complaints about VIP convoys of government bigwigs.
Safety and security MEC Bheki Cele said the matter was being discussed in the legislature.