If you require a different size or material, please contact us
The Falling Rocks Temporary road sign (TW335) is a W Series warning sign used to alert drivers to the risk of rocks or debris falling onto the roadway ahead. It is commonly used in mountainous, cut-slope, and excavation areas where loose material may enter the carriageway.
Purpose and function
This sign provides advance warning so drivers reduce speed, increase following distance, and remain alert for debris on the road surface. It supports safer decision-making where sudden obstruction or impact risk exists.
Typical applications
- Mountain passes and steep cuttings
- Construction zones with excavation or blasting
- Areas affected by erosion or unstable slopes
- Temporary diversions near rock faces or embankments
Permanent alternative
Commonly used with
- General Warning Temporary road sign (TW339)
- Roadworks ahead Temporary road sign (TW336)
- Temporary Speed Limit road sign (TR201-40)
Explainer guide
For how W Series warning signs are used and grouped, see our W Series warning road signs explainer.
Materials and ordering notes
- Class 1 retro reflective temporary road sign
- Enquire about our tripod stands for temporary installations
- Please confirm stock availability before ordering road signs