Keep Left Sign: vertical rectangle, white with a black arrow
Keep Left Sign

Regulatory sign

Keep Left Sign

The obstruction ahead must be passed on its left. It is far less common than Keep Right and is easy to misread at speed.

What to do

Move to the left of the divider, checking for traffic already in that lane.

Shape
Vertical rectangle
Colours
White with a black arrow
Category
Regulatory sign

Regulatory signs state a law. Ignoring one is a traffic offence in its own right.

Common questions

What does the keep left sign mean?

The obstruction ahead must be passed on its left. It is far less common than Keep Right and is easy to misread at speed.

What should you do at a keep left sign?

Move to the left of the divider, checking for traffic already in that lane.

What shape and colour is the keep left sign?

Vertical rectangle. White with a black arrow.