What should you do?
Do not drive past the sign; turn into another permitted road instead.
How to recognise it
A solid red disc with a horizontal white bar across the middle.
Common confusion
Unlike the 'No straight ahead' sign with a crossed arrow, this solid red disc is a straightforward 'No entry' that usually marks the wrong end of a one-way street.
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.
