JOHANNESBURG - The Border Management Authority has arrested over 30 illegal crossers at the Beitbridge Border Post.
The crossing links South Africa and Zimbabwe.
The BMA says the borders are seeing high traveller volumes.
READ: Border security | Masses of people entering SA at Beitbridge
It has deployed additional resources nationwide to manage the increased traffic.
Authorities say, despite the congestion, border controls remain intact, with hundreds of undocumented travellers intercepted and enforcement measures continuing.
A total of 98 illegal crossers were intercepted overall.