Darkan Overtaking Lane Project - update

Published on Thursday, 23 April 2026 at 4:03:10 PM

Darkan Overtaking Lane Project - update
A quick update from Main Roads Western Australia on the Darkan Passing Lane SLK 90.4-93.57 project.
The clearing was completed on Tuesday, 21 April.
The next step is the culvert extensions and replacement – anticipated start date is 4 May, with completion anticipated to be the end of May.
Traffic management will remain in place - Reversible Flow (Traffic Signals & Stop/Slow on side roads) with an escort vehicle implemented. A speed reduction of 60km/hr will be in place for the duration of the works.
Aftercare will be in place following the works.

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