Sign in
Basket £0.00 0
Wishlist 0
Compare 0
  • Home
  • Shop
  • About us
  • Contact us
  • Request a quote
  • Morelock Installation
  • Our blog
  • Social values
  • Track your order
Facebook Twitter Instagram Youtube Linkedin
Sign in
Compare 0
0 My compare

View Compare

Wishlist 0
0 My Wishlist

View Wishlist Add all to cart

  • Home
  • Shop
  • About us
  • Contact us
  • Request a quote
  • Morelock Installation
  • Our blog
  • Social values
  • Track your order
0 Basket £0.00 0
0 Shopping Cart

No products in the cart.

Return To Shop
Shopping cart (0)
Subtotal: £0.00

View cartCheckout

FREE Delivery for ALL Online Orders

  • Traffic Signs Icon Traffic Signs
    • Permanent Traffic Signs
    • Temporary Traffic Signs
  • Health & Safety Signs Icon Health & Safety Signs
    • Floor Level Signs
    • Floor Stands & A Boards
    • Photoluminescent Signs
    • Access & Restriction Signs
    • Emergency & Fire Exit Signs
    • Construction & Site Safety Signs
    • Recycling & Waste Management Signs
  • Posts & Fixings Icon Posts & Fixings
    • Posts
    • Fixings
  • Bollards Icon Bollards
    • Dynaflex UK-made
    • Other Bollards
  • Frames Icon Frames
    • Metre Leg
    • Standard Leg
  • ITS Icon Intelligent Traffic Solutions
    • M-SID Vario
    • M-SID Count Systems
    • M-SID Vario + Camera
  • TME Icon TM Equipment
    • Cones
    • Sleeves
    • Barriers
    • Batteries
    • Sandbags
    • Lamps & Beacons
    • Other TM Equipment
  • Custom Design Icon Custom Design
    • Design Banners
    • Design Temporary Signs
    • Design Permanent Signs
    • Design Street Name Plates
    • Design Health & Safety Signs
Home Permanent Traffic Signs Standard TSRGD Signs Rectangular Permanent Signs
Road Unsuitable for Motor Vehicles Sign – Diagram 820B | Permanent UK Traffic Sign ,warning drivers that the road ahead is not suitable for motor vehicles.
  • Road Unsuitable for Motor Vehicles Sign – Diagram 820B | Permanent UK Traffic Sign ,warning drivers that the road ahead is not suitable for motor vehicles.

Road Unsuitable for Long Vehicles Sign – Diagram 820A | Permanent UK Traffic Sign

£12.24 – £280.10Price range: £12.24 through £280.10
You save

ROAD UNSUITABLE FOR LONG VEHICLES

If the product offers variations, Choose an option from each row:

  • RA2
  • R3B
  • Aluminium
  • Composite
  • Stickers
  • Channel
  • Plate Only
  • Self-Adhesive
  • 1212x776
  • 1515x970
  • 606x388
  • 758x485
  • 909x582
Clear
Estimated Delivery (Working Days):3 - 7 days
Add to wishlist Add to wishlist
Add to compare Add to compare
Guaranteed safe checkout Pay safely with Visa Pay safely with Visa Pay safely with Master Card Pay safely with Master Card Pay safely with PayPal Pay safely with PayPal Pay safely with American Express Pay safely with American Express Pay safely with Maestro Pay safely with Maestro Pay safely with Stripe Pay safely with Stripe
Your Payment is 100% Secure
Categories: Permanent Traffic Signs, Rectangular Permanent Signs, Standard TSRGD Signs
SKU: N/A Brand: Morelock Signs
📦

Free Delivery on ALL Online Orders

No delivery fees, no minimum spend – every order delivered free across the UK.

💷

Tiered Discounts for Bulk Orders

The more you buy, the more you save. Automatic discounts apply at checkout – perfect for businesses and councils.

🚧 Morelock Installations

Professional design, supply, and installation of all types of traffic signs across the UK.

Learn More 🚀
Description
Additional information
Reviews (0)

🚛 Road Unsuitable for Long Vehicles Sign – Diagram 820A | Permanent UK Traffic Sign

The Sign is an official UK traffic sign designed to warn drivers that the road ahead is not suitable for long vehicles such as HGVs, articulated lorries, and extended vans. It helps prevent large vehicles from encountering tight bends, steep inclines, weight restrictions, or other hazards that could cause obstructions, accidents, or delays.

Manufactured to UK highway standards, this permanent road sign is highly visible, durable, and fully compliant with TSRGD regulations. It is widely used on rural roads, residential streets, and areas with limited maneuvering space to improve road safety and traffic efficiency.


⚠️ Prevents Long Vehicles from Entering Unsuitable Roads

This sign plays a crucial role in reducing road blockages and improving traffic flow by:

✅ Warning HGV and lorry drivers about roads unsuitable for long vehicles
✅ Preventing traffic congestion caused by vehicles getting stuck in narrow or winding roads
✅ Reducing property and infrastructure damage in restricted areas
✅ Enhancing safety for all road users, including pedestrians and cyclists

By clearly marking road restrictions, this sign helps drivers make informed decisions, avoiding costly delays and potential hazards.


📏 High-Quality, Durable & Weather-Resistant

Designed for long-term outdoor use, this permanent UK road sign is built from high-quality materials to ensure maximum visibility and durability.

✔ Retroreflective surface for high visibility in all lighting conditions
✔ Weatherproof and corrosion-resistant materials for long-lasting performance
✔ Manufactured to TSRGD standards for full compliance with UK road regulations


🛠️ Easy Installation & Multiple Size Options

The (Diagram 820A) is available in various sizes and materials, making it suitable for roads prone to vehicle obstructions.

✔ Available in multiple standard UK road sign sizes
✔ Compatible with post-mounting systems for easy installation
✔ Ideal for rural roads, tight bends, steep inclines, and low-clearance areas


✅ Why Choose This Sign?

✔ Official UK traffic sign for restricting long vehicle access
✔ Highly visible & reflective for maximum road safety
✔ Weatherproof & durable for permanent outdoor use
✔ Prevents congestion & vehicle obstruction in restricted areas
✔ Fully compliant with UK TSRGD traffic regulations


📌 Summary

  • Road Unsuitable for Long Vehicles Sign – Diagram 820A warns drivers that the road is not suitable for extended vehicles.
  • Prevents HGVs, lorries, and articulated trucks from entering roads with tight bends or restrictions.
  • Reduces traffic congestion, accidents, and road damage in unsuitable areas.
  • Highly visible, durable & weatherproof for long-term outdoor use.
  • Ideal for rural roads, tight bends, weight-restricted areas, and steep inclines.
  • Compliant with UK TSRGD traffic sign regulations.

🛒 Visit our shop now:

https://morelock.co.uk/products/

Need Installation services?

Morelock Installation

Additional resources:

Driving rules

  • The Highway Code
  • Legal obligations of drivers and riders
Weight 9.9 kg
Facing

RA1, RA2, R3B

Substrate

Aluminium, Composite, Stickers

Fixing

Channel, Plate Only, Self-Adhesive

Size (mm)

1212×776, 1515×970, 606×388, 758×485, 909×582

Reviews

There are no reviews yet.

Be the first to review “Road Unsuitable for Long Vehicles Sign – Diagram 820A | Permanent UK Traffic Sign” Cancel reply

Your email address will not be published. Required fields are marked

You have to be logged in to be able to add photos to your review.

Related products

Cycle Route Ahead Warning Sign - Diagram 950-A with bicycle symbol in triangle for UK temporary cycle hazard warning
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Cycle Route Ahead Warning Sign – Diagram 950-A | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Other Danger Ahead Sign - Diagram 562 with exclamation mark symbol in red triangle used for unspecified or temporary hazards
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Other Danger Ahead Warning Sign – Diagram 562 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Pedestrians in Road Ahead Warning Sign – Diagram 544.1 showing adult and child symbol inside a red warning triangle
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Pedestrians in Road Ahead Warning Sign – Diagram 544.1 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Frail or Disabled Pedestrians Warning Sign – Diagram 544.2 showing elderly figures in red triangle
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Frail or Disabled Pedestrians Likely to Cross Road Ahead Warning Sign – Diagram 544.2 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Children Warning Sign – Diagram 545 showing child pedestrians in red triangle for school/playground hazard
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Children Going to or from School or Playground Ahead Warning Sign – Diagram 545 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Roundabout Ahead Warning Sign – Diagram 510 installed to improve road safety near roundabouts
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Roundabout Ahead Warning Sign – Diagram 510 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Harsh Turn Ahead Warning Sign – Diagram 512-A installed on roads with sharp left-hand bends
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Harsh Turn Ahead Warning Sign – Diagram 512-A | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
T-Junction Ahead Warning Sign – Diagram 505.1A installed to improve junction visibility
Quick View Select options This product has multiple variants. The options may be chosen on the product page

T-Junction Ahead Warning Sign – Diagram 505.1-A | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Harsh Turn Ahead Warning Sign – Diagram 512-B installed on roads with sharp right-hand bends
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Harsh Turn Ahead Warning Sign – Diagram 512-B | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Road Hump or Series of Road Humps Ahead Warning Sign – Diagram 557.1 showing triangular warning sign with black hump symbol
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Road Hump or Series of Road Humps Ahead Warning Sign – Diagram 557.1 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Horse-Drawn Vehicles Likely to Be in Road Ahead Warning Sign – Diagram 550.2 displaying silhouette of a horse and cart inside red triangle to alert drivers to traditional or slow-moving vehicles ahead
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Horse-Drawn Vehicles Likely to Be in Road Ahead Warning Sign – Diagram 550.2 | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
Junction on Bend Ahead Warning Sign – Diagram 512.1-B installed to warn of a left-side junction on a sharp right-hand bend
Quick View Select options This product has multiple variants. The options may be chosen on the product page

Junction on Bend Ahead Warning Sign – Diagram 512.1-B | Permanent UK Traffic Sign

From £10.99
You save
Select options This product has multiple variants. The options may be chosen on the product page Add to Compare
cropped-morelock-fotor-20230620145051
Morelock
  • Morelock House, StrawberryLane, Willenhall, West Midlands, WV13 3RS,
  • 01902 637 575
  • info@morelock.co.uk
  • Monday to Friday (9:00 AM - 5:00 PM)
Navigation
  • Homepage
  • My Account
  • Frequently Asked Questions
  • Our Commitment
  • Social Values
Company
  • About us
  • Contact us
  • Terms & Conditions
  • Privacy & Cookies Policy
  • Return Policy
Subscribe

Enter your email address to get our special offers

[mc4wp_form id="5479"]
Registration No. 3193048
© All Rights Reserved by Morelock Signs LTD 2025
Facebook Instagram Linkedin
Manage Consent
To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
Manage options Manage services Manage {vendor_count} vendors Read more about these purposes
View preferences
{title} {title} {title}
  • Call us
  • Our Email
  • Our Linkedin
  • Our Instagram
  • Buy now