Those using the Jack Lynch Tunnell should note that it is closed nightly from 9.15pm to 7am every night with the exception of Fridays until February 8th.
The works, which are taking place as part of an EU directive for additional fire protection, are destined to enhance public safety and route protection. Similar fire resistance upgrades are taking place in tunnels across Europe.
Road users can sign up to an email or SMS notification service, free of charge, by visiting www.jacklynchtunnel.ie. Users can also subscribe to the SMS service by texting TUNNEL to 51444*or simply follow @jacklynchtunnel on Twitter for all the latest updates.
For updates and the most up to date information, log on to www.jacklynchtunnel.ie and sign up free of charge to email and texting services.