Home Highway Code Vehicle markings

Vehicle markings

Vehicle markings used, including large goods vehicle rear markings, hazard warning plates, projection markers and other markings.

Large goods vehicle rear markings

Motor vehicles over 7500 kilograms maximum gross weight and trailers over 3500 kilograms maximum gross weight

Left     Central     Right

Left - Central - Right

The vertical markings are also required to be fitted to builders’ skips placed in the road, commercial vehicles or combinations longer than 13 metres (optional on combinations between 11 and 13 metres)

Hazard warning plates

Certain tank vehicles carrying dangerous goods must display hazard information panels

The panel illustrated is for flammable liquid. Diamond symbols indicating other risks include:

The panel illustrated is for flammable liquid. Diamond symbols indicating other risks include:

The above panel will be displayed by vehicles carrying certain dangerous goods in packages

The above panel will be displayed by vehicles carrying certain dangerous goods in packages

Toxic substance

Toxic substance

Oxidizing substance

Oxidizing substance

Non-flammable compressed gas

Non-flammable compressed gas

Radioactive substance

Radioactive substance

Spontaneously combustible substance

Spontaneously combustible substance

Corrosive substance

Corrosive substance

Projections markers

Side marker

Side marker

End marker

End marker

Both required when load or equipment (eg crane jib) overhangs front or rear by more than two metres

Other

School bus (displayed in front or rear window of bus or coach)

School bus (displayed in front or rear window of bus or coach)

The Faster Way to Pass Your DVSA Theory Test

Our AI-powered theory test app helps you get test ready fast and pass first time

Industry leading reviews from 2026 verified buyers...

Keep up to date with us on social media...

Which colour follows the green signal at a puffin crossing? πŸš¦πŸš— Find out now along with everything you need to know about puffin crossings πŸ‘‡ https://t.co/HSqCXTdB4b #puffincrossing #theorytest #drivingtheorytest #booktheorytest https://t.co/luUWT12qwx
2 days ago
What is the 2025 DVSA theory test pass mark? βœοΈπŸš— Find out everything you need to know about the theory test pass marks and pass rates for the DVSA driving theory test πŸ‘‡ https://t.co/8oP2dtoPgl #theorytest #drivingtheorytest #theorytestpassmark #booktheorytest https://t.co/BFIegT2Isj
3 days ago
What is a puffin crossing? 🚦 A puffin crossing is a pedestrian crossing that prioritises the safety of pedestrians. Find our how puffin crossings work and why they're beneficial πŸ‘‡ https://t.co/HSqCXTdB4b #puffincrossing #theorytest #booktheorytest https://t.co/TDpxya38n0
5 days ago
Does the car theory test expire? πŸš— Your car theory test certificate is valid for two years. You'll need to resit your theory test if you don't pass your practical test within this period 😱 Get help to PASS your car theory test now πŸ‘‡ https://t.co/Zt9psGFO3Q #theorytest https://t.co/BaNL55F1yk
6 days ago
What should you do if your ABS light stays on? This is a question you will need to be able to answer for your UK driving theory test. Read our handy article to find out more https://t.co/rxH1U4ZrX6 https://t.co/gt46IbirQZ
1 week ago
What would you expect to find at a contraflow system on a motorway? πŸš—πŸ›£οΈ This article explains what a contraflow system is, where you might see one, and how to navigate it safely πŸ‘‡ https://t.co/SgC8LD44Ds #contraflowsystem #theorytest https://t.co/qONrNSEn1Z
1 week ago
What is a yellow box junction? πŸš—πŸŸ¨ The primary rule for yellow box junctions in the UK is that you must not enter a box junction unless your exit is clear βœ”οΈ Find out everything you need to know about yellow box junction rules πŸ‘‡ https://t.co/RJT5r0lTeR #theorytest https://t.co/sqSp9eKHv2
1 week ago
Do you need to head to your local DVSA theory test centre to take your driving theory test? πŸ‘€ Are you looking for assistance in booking your car theory test? πŸ˜€ We can help. We will book your theory test and even offer FREE re-sits! πŸ‘‡ https://t.co/Smc2AfVxll https://t.co/mDlb3XsGKq
2 weeks ago
Want to know how to book driving test dates? πŸ€·β€β™‚οΈ Our useful article can help you learn everything you need πŸ‘‡ https://t.co/MFBa3pOWar https://t.co/dz5wKGVgvc
2 weeks ago
Does the car theory test expire? πŸš— Your car theory test certificate is valid for two years. You'll need to resit your theory test if you don't pass your practical test within this period 😱 Get help to PASS your car theory test now πŸ‘‡ https://t.co/Zt9psGFO3Q #theorytest https://t.co/12W1wvlX87
2 weeks ago
What are the three pedals in a manual car? πŸš— βœ”οΈ The Accelerator - On the right, operated by the right foot βœ”οΈ The Brake - In the middle, operated by the right foot βœ”οΈ The Clutch - On the left, operated by the left foot Learn your driving theory πŸ‘‡ https://t.co/ukOTaTrST2 https://t.co/uenpRDWmQp
2 weeks ago
Do you have a theory test date booked with the DVSA that you want to change? πŸš—πŸ“… Changing or cancelling a DVSA theory test date is a straightforward process. This article gives you the steps to reschedule your theory test booking πŸ‘‡ https://t.co/hsWfeUOYIZ #changetheorytest https://t.co/B93cggoi1a
2 weeks ago
Revise for the DVSA theory test by watching short tutorial videos πŸ™ŒπŸŽ¬ Check out our 'Theory Test Revision' series over on our YouTube channel πŸ‘‡ https://t.co/XkLDdlwgG0 #theorytest #drivingtheorytest #theorytestvideos #roadsafety https://t.co/3BgNLsvSgE
3 weeks ago
What is a puffin crossing? 🚦 A puffin crossing is a pedestrian crossing that prioritises the safety of pedestrians. Find out everything you need to know here πŸ‘‡ https://t.co/HSqCXTdB4b #puffincrossing #theorytest #booktheorytest #highwaycode #roadsafety https://t.co/WYgPefr6vj
3 weeks ago
Need an earlier theory test? πŸ’₯ Find theory test waiting times at any DVSA theory test centre πŸ‘‡ https://t.co/KvCTcgT9mv #theorytest #theorytestwaitingtimes #drivingtheorytest https://t.co/adwbCrbyoo
3 weeks ago
🌟 HIGHWAY CODE RULE 101 🌟 You MUST NOT fit a rear-facing baby seat to a seat with a frontal airbag because it can cause serious injury or even death if you're involved in an incident ⚠️ Prepare for your theory test today πŸ‘‡ https://t.co/y6qD5vhErV #theorytest #cartheorytest https://t.co/PUOCldfSIo
3 weeks ago
What is the highway code?! πŸ€” It is essential reading for any driver πŸ‘€ Find out more by reading our handy article below! πŸ‘‡ https://t.co/8u3AxCUHB3 https://t.co/mS6IAUmimr
4 weeks ago
Prepare for your HGV theory test using Driving Theory 4 All's theory test app and online tools πŸš›πŸ‘‡ https://t.co/69qYzDyQF3 #lgvtheorytest #hgvtheorytest #theorytest https://t.co/P5II6NSqu8
4 weeks ago
What is a contraflow system? πŸ€·β€β™‚οΈ Our useful article will help you understand everything you need to know πŸ‘‡ https://t.co/SgC8LD44Ds https://t.co/I8eb2IFnd4
4 weeks ago
What is a contraflow system? πŸ€·β€β™‚οΈ Our useful article will help you understand everything you need to know πŸ‘‡ https://t.co/SgC8LD44Ds https://t.co/ychdOB0uQO
4 weeks ago