The Northbores of the Dublin Port Tunnel will be closed tonight for maintenance.
It will remain closed from 10pm tonight (July 6) until 5am tomorrow morning (July 7).
Those travelling are being urged to use alternative routes and to drive with care.
Tunnel users are advised that during closures all heavy goods vehicles must use Alfie Byrne Road travelling to or from Dublin Port from the north city.
Drivers should follow Electronic Message Signs located at Poplar Row and East Wall Road.
Only cars are allowed to use East Wall Road between Alfie Byrne Road and Poplar Row.
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