A lane closure with temporary traffic lights is in place on the A702 near Hillend, while Scottish Water carries out emergency works to repair a burst water main.
Restrictions are expected to remain in place until the end of Thursday 4 December.
Motorists are advised to plan ahead and expect significant delays, particularly during peak times.
Real time journey information is available from Traffic Scotland at www.traffic.gov.scot, or on X at @trafficscotland.
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