What should you do?
Prepare to take the indicated route, positioning and signalling in good time.
How to recognise it
A blue rectangle with a white diagonal arrow, N1 and Béal Feirste / BELFAST.
Common confusion
The N1 is a national route, but the blue background shows the sign is on a motorway.
Explanation written by the My Driving Test editorial team using the Department of Transport Traffic Signs Manual conventions and the RSA Rules of the Road.
