A-road crossroads sign
A green sign with a diagram showing a crossroads on a dual carriageway and the following text.
Forward destinations: The NORTH; Watford (M1) [Hollow triangle diversion symbol]; Mill Hill; A1 (A41) [Hollow square diversion symbol].
Left turn destinations: Hendon.
Right turn destinations: Hendon; crematorium ; B552; Barnet; Copthall .
More traffic lights. There's quite a lot of this until we're clear of London.