Truck drivers blocked another section of the N3 on Thursday morning
Van Reenen's Pass on the N3 toll was closed to traffic due to trucks obstructing in both directions.
Motorists are advised to delay travel to the area.
The N3 Toll Concession's Thania Dhoogra says police are on the scene.
Officials are diverting motorists off the N3 at the Colenso/Frere interchange.
On Tuesday, truck drivers protesting the employment of foreign nationals blocked off the N3 on both sides between Warden and Villiers in the Free State.
It has vowed to keep it up until their concerns are addressed.
It's not yet clear if this morning's blockade is a continuation of the foundation's protest.
#VanReenensPass #TruckDriverProtest ROAD CLOSED - best option is to delay travel or go via Newcastle / Ladysmith #N3Route pic.twitter.com/u8cE1hrrgW
— TrafficSA (@TrafficSA) June 16, 2022
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