The Slippery Road road sign (W333) is a W Series warning sign used to alert drivers that the road surface ahead may be slippery, reducing traction and increasing stopping distance. This sign is commonly used where water, sand, mud, oil, loose material, or surface conditions increase skid risk.
Purpose and function
This sign warns drivers to reduce speed, avoid harsh braking, and steer smoothly to maintain control. It is especially important on bends, steep descents, shaded areas, and sections with poor drainage or seasonal surface changes.
Typical applications
- Bends, descents, and approaches where skid risk is elevated
- Areas prone to standing water, mud, sand, or loose gravel
- Road sections affected by spills, leaks, or surface contamination
- Rural and mountain routes with frequent weather-related traction loss
Temporary alternative
Commonly used with
- Sharp Curve (Left) road sign (W205)
- Sharp Curve (Right) road sign (W204)
- Traffic Circle road sign (W201)
Explainer guide
For how W Series warning signs are used and grouped, see our W Series warning road signs explainer.
Materials and ordering notes
- Permanent road sign supplied on 1.2 mm Chromadek steel
- Class 1 retro reflective sign face
- Clamps and poles are not included, email us if you require a quote
- Please confirm stock availability before ordering road signs
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