The Dawson Street, Duke Street junction in Dublin city centre is to close for two weeks to facilitate works on the Luas Cross City project.
The closure takes effect at midnight on Sunday.
Duke Lane Upper will be opened to traffic. Two-way traffic on the street will be controlled so that traffic flows in only one direction at a time.
Traffic on Dawson Street not going to Duke Street will be unaffected.
General traffic currently accessing Duke Street from Dawson Street will access Duke Street by: Turning left from Dawson Street onto South Anne's Street. From there turning right onto Duke Lane Upper and continuing north to Duke Street.
General traffic will exit Duke Street via Duke Lane Upper and South Anne Street.