523.1 steep hill downwards 10% gradient sign face for highways and permanent site use
The 523.1 sign warns drivers of a steep downward gradient ahead, marked at 10% so drivers can judge how much to ease off before the descent. It is often installed alongside supplementary plates warning drivers to select a low gear to control speed and stop brakes overheating on the way down. This permanent sign face is manufactured to BS EN 12899-1:2007 and UK highway regulations, CE marked, with a Class 2 RA2 high-intensity reflective face for clear visibility at night and in poor weather. It is supplied as the sign face only, in wall mounted or post mounted options across three sizes.
Key features
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10% gradient warning - diagram 523.1, marked with the gradient percentage drivers need to see.
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Class 2 RA2 reflectivity - a high-intensity reflective face that returns light to drivers in low light.
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CE marked to BS EN 12899-1:2007 - meets the standard for permanent signs on public highways and private roads.
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3mm aluminium composite - a weatherproof face with a grey rear, made for permanent outdoor use.
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Two mounting options - post mounted with rear channels, or wall mounted for screw or adhesive fixing.
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Three sizes - 450mm, 600mm and 750mm, made in the UK.
Where it is used
- Steep descents on rural and hill roads
- Approaches to bends or junctions at the base of a hill
- Private estate roads and site accesses with a steep gradient
- Permanent highway schemes on graded routes
Mounting options
Post mounted faces arrive with rear channels already fitted, clamping straight onto a post and locking in place with anti-rotational clips so the face cannot twist out of position. Posts and clips are sold separately, with two clips needed per sign. Wall mounted faces are supplied plain with no holes, so the aluminium composite can be drilled for screw fixing or bonded in place with a no-nails adhesive.
Specification
| Specification |
Detail |
| Diagram reference |
523.1 |
| Gradient shown |
10% |
| Sign sizes |
450mm, 600mm or 750mm |
| Face thickness |
3mm |
| Material |
Aluminium composite |
| Face colour |
Red, white and black |
| Rear colour |
Grey |
| Reflectivity |
Class 2 RA2 (R2) |
| Compliance |
BS EN 12899-1:2007, CE marked |
| Mounting |
Wall mounted or post mounted with rear channels |
| Origin |
Made in the UK |