What should you do?
Decide early whether to exit and move into the left lane in good time.
How to recognise it
A blue rectangle with a black-boxed junction number 13, M7 and a branch to R415 Kildare and Nurney, 1 km.
Common confusion
The black-boxed number is the junction number; the M7 is the motorway route number.
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.
