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Street Solutions UK  ·  SKU: 204552

811.1 'Priority over oncoming vehicles' Supplementary Plate Sign Face | Post & Wall Mounted

Diagram 811.1 priority over oncoming vehicles supplementary plate, 3mm aluminium composite. RA2 reflective, CE marked, five sizes, post or wall mounted.

£22.91 each, ex VAT
£27.49 inc VAT
Ships in 7 to 10 working days
Buy more, pay less Per unit, ex VAT. Applied automatically.
Ships in 7 to 10 working days

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76mm Galvanised Post For Road Signs c/w CapsSign Posts 1 £38.83 £38.83 each
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Why it works

Why choose this supplementary plate

Reads clearly after dark

Class 2 RA2 reflectivity returns headlight beams to drivers, keeping the priority message visible in low light.

Meets the road-sign standard

Manufactured to BS EN 12899-1:2007 and UK highway regulations, CE marked for permanent installation.

Post or wall fixing

Post plates arrive with rear channels for anti-rotational clips; wall plates drill or bond straight on.

Made in the UK

3mm aluminium composite with a grey rear built for year-round outdoor use.
Overview

811.1 Priority Over Oncoming Vehicles Supplementary Plate - Overview

The 811.1 plate reinforces the priority message given by the diagram 811 sign, fitted below the main sign face where two-way traffic shares a single lane. UK-made from 3mm aluminium composite with Class 2 RA2 reflectivity, it comes in five sizes for post or wall mounting.
5sizes
525x290mm to 1400x775mm
3mm
Aluminium composite face
Dimensions
Sizes525x290mm, 700x390mm, 875x485mm, 1050x580mm, 1400x775mm
Face thickness3mm
Details
Diagram reference811.1
MaterialAluminium composite
Face colourWhite / Black
Rear colourGrey
ReflectivityClass 2 R2/RA2
StandardBS EN 12899-1:2007, CE marked
MountingPost (rear channels) or wall
Country of manufactureUnited Kingdom

Frequently asked questions

What is the 811.1 supplementary plate for?
It reinforces the priority message given by the diagram 811 sign, and is mounted below the main sign face to make the priority arrangement clear to drivers on narrow roads or at traffic calming schemes.

Do I need to buy the diagram 811 sign as well?
Yes. This plate is a supplementary addition designed to be fitted below a diagram 811 priority sign, rather than used on its own.

What sizes are available?
Five sizes from 525x290mm up to 1400x775mm, so the plate can be matched to the size of the sign it is paired with.

Is it suitable for the public highway?
Yes - it is manufactured to BS EN 12899-1:2007 and UK highway regulations and is CE marked, the requirement for permanent signs on public roads, and it works equally well on private roads.

How do the mounting options differ?
Post mounted plates have rear channels fitted and clamp to a 76mm post with anti-rotational clips (post and clips sold separately, two clips per plate). Wall mounted plates are undrilled - fix with screws or a no-nails adhesive.

Will drivers see it at night?
Yes - the face uses Class 2 R2/RA2 high-intensity reflective material, which returns headlight beams to the driver and keeps the priority message legible after dark.

How long will it take to arrive?
Each plate is made to order in the UK and delivered in 7-10 working days.

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