MAINTENANCE work is set to be carried on the Penmaenbach headland.
Traffic Wales said the work will take place on the narrow stretch of the A55 for three nights from January 20 to 23.
The diversion, in place from 7pm to 7am, will direct motorists travelling through Penmaenbach Tunnel.
Motorists are being reminded that there is a 3.2-metre width restriction in force.
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