Warning signs
Road narrows on left ahead
What it means
The road loses width on the left just ahead: a kerb build-out, a bridge parapet, or the nearside lane running out. Watch for cyclists and parked cars being squeezed towards you. Hold back rather than accelerating through the gap, and give anyone on two wheels the room they had before it narrowed.
More on signs like this: Warning road signs explained: junctions, bends, narrowing roads and hazards
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Sign images: Department for Transport, © Crown copyright. Used under the Open Government Licence v3.0.