Right at Gate and right again at traffic lights Onto Shelbourne Road
Straight down shelbourne Road and over the canal bridge. Second right onto Macken St
Left at traffic lights onto Pearse St
Straight down Pearse until you see fire station on your right
Then turn right onto Tara St and straight until you are facing a bridge. Then left onto the Quays and straight down the quays, keeping the river on your right hand side all the way. The N4 is signed from there