The Port Tunnel in Dublin is closed South Bound after a serious collision.
This has led to the ban on five axle trucks driving through the city centre being lifted.
Gardaí said motorists should expect long delays on the M50/M1 approach .
Emergency services are at the scene and the section of the tunnel is to remain closed until further notice.
Dublin Port Tunnel Collision Update: The 5 axel truck ban for Dublin City Centre has been temporarily lifted due to the Port Tunnel being closed South bound following a serious collision. The Southbound bore will remain closed until further notice. pic.twitter.com/XUQwicRmZx— An Garda Síochána (@GardaTraffic) February 25, 2019