N3 southbound rerouted between Hammarsdale and Key Ridge

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23-04-2026
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Witness
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The South African National Roads Agency SOC Limited (Sanral) has announced an extended closure of the N3 southbound carriageway between the Hammarsdale Interchange and the N3/M13 Interchange at Key Ridge as part of ongoing upgrade works.

Durban-bound traffic will be redirected onto the widened northbound carriageway in a contraflow system. This temporary arrangement will allow construction of the new southbound carriageway to continue.

According to Sanral project manager Sanchia Rajkumar, the southbound direction will operate with two lanes from the Hammarsdale Interchange to the Sterkspruit Bridge, increasing to three lanes thereafter.

The northbound direction will maintain three lanes throughout the affected stretch.

The traffic shift is scheduled to take effect between April 23 and April 26, 2026, and is expected to remain in place for approximately two years. Once construction is complete, traffic will be redirected back onto the newly built southbound carriageway.

“We advise motorists that reduced speeds will be enforced through the work zone and urge road users to exercise caution, whilst adhering to the speed limits,” said Rajkumar.

Sanral said the contraflow switch marks a major milestone in the N3 upgrade project, which began in May 2023, and will enable increased construction activity without interference from live traffic.