This 'T-junction' warning sign (code 505.1) is placed on Great Britain roads to give you advance notice of an upcoming T-junction. It's crucial to treat this as an early hazard cue, prompting you to manage your speed smoothly and increase your observation well before you reach the junction itself. The sign ensures you have ample time to slow down, check mirrors and surrounding traffic, and prepare for any priority changes or road layouts ahead, ensuring a safer approach.
This advance warning sign signals an upcoming T-junction, requiring drivers to manage speed and observation proactively. Mastering its road sign meaning is crucial for safe navigation and successful theory test revision.
This warning sign is used before a hazard or road feature that may require an earlier response than the driver would otherwise make. Its purpose is to give enough time to reduce speed smoothly, increase observation, and avoid sudden braking or steering. The correct practical response depends on the exact location, traffic level, visibility, road surface, and whether pedestrians, cyclists, animals, or crossing traffic may be present. It is listed in the catalogue as code 505.1.
"T-junction" gives advance warning of t-junction. It tells the driver to look further ahead, manage speed early, and prepare for a possible change in priority, road position, visibility, or stopping distance.
Get clear, practical answers to the most common questions about the 505.1 - T-junction road sign. Learn how the sign works, what rules it represents, and how it affects real driving situations. This FAQ strengthens your understanding and supports accurate decision making for the British driving theory exam in Great Britain.
The 505.1 T-junction warning sign's primary purpose is to provide drivers with advance notice of an upcoming T-junction. This allows you to prepare by reducing speed, increasing your observations, and planning your approach, rather than reacting suddenly at the last moment.
When you see this sign, you should ease off the accelerator early and adjust your speed to a safe level for the junction ahead. Increase your observation, checking mirrors and scanning for any crossing traffic, pedestrians, cyclists, or animals. Be prepared to stop or yield if necessary.
No, the T-junction warning sign itself doesn't automatically mean you must stop. It's an advance warning to prepare for the junction. Your action – whether to slow down, stop, or yield – depends on the specific junction layout, visibility, traffic conditions, and any road markings or other signs present.
A common exam trap is to dismiss this sign as just background information or to only start slowing down when you see the junction itself. Learners might also forget to check mirrors or scan for hazards like pedestrians and cyclists, as this sign is an 'early hazard cue' that requires proactive preparation.
Yes, supplementary plates or road markings can provide additional information. For example, a plate might indicate the distance to the T-junction, show which direction it is, or specify that it's a priority junction. Always observe these accompanying details along with the main warning sign.
A clear reference image of the 505.1 - T-junction road sign used in Great Britain.

The 505.1 - T-junction road sign may also be known by these alternative names or terms.
The 505.1 - T-junction road sign is part of the Great Britain Warning Signs category, which groups together signs with similar rules and functions.
Reviewing similar traffic signs side-by-side helps solidify your understanding and prevent common errors during your theory test revision. Comparing these road signs aids in accurate sign recognition and effective exam preparation.

Prepare for a STOP or GIVE WAY sign ahead with this crucial advance warning.

The 502 'Distance to STOP line' plate adds vital information to warning signs.

What does the 'Distance to GIVE WAY Line' warning plate mean?

Prepare for Crossroads with the 504.1 Advance Warning Sign

Prepare for a side road joining from the right with this advance warning sign.

Prepare for a staggered junction ahead with this advance warning sign.

Prepare for traffic merging from the left with this advanced warning sign.

Warning: Traffic Merging Onto The Main Road From Your Left
Explore curated explanations and practical examples to strengthen your visual recognition of essential Great Britain road signs. These supplementary materials provide the context needed to navigate junctions safely and pass your official DVSA theory test.
As a learner driver, you have a legal obligation to ensure you are medically fit to operate a vehicle before every journey. This guide clarifies how to determine if your health condition must be reported to the DVLA, explaining the importance of compliance for both road safety and your legal standing. Mastering these rules is an essential part of your theory test preparation and your future as a responsible driver.
Master Critical Emergency Procedures and Avoid Test Traps on GB Roads.
Master the Complex Rules of Sharing the Road with Motorcyclists and Avoid Common Test Traps.
Mini-roundabouts can be confusing, but mastering them is essential for your Great Britain driving theory test. This guide focuses on the most frequent errors learners encounter, such as incorrect priority assessment and improper signalling, providing clear advice aligned with the Highway Code. Learn the best practices to navigate these junctions confidently and safely.
This warning sign is used before a hazard or road feature that may require an earlier response than the driver would otherwise make. Its purpose is to give enough time to reduce speed smoothly, increase observation, and avoid sudden braking or steering. The correct practical response depends on the exact location, traffic level, visibility, road surface, and whether pedestrians, cyclists, animals, or crossing traffic may be present. It is listed in the catalogue as code 551.3.
This warning sign is used before a hazard or road feature that may require an earlier response than the driver would otherwise make. Its purpose is to give enough time to reduce speed smoothly, increase observation, and avoid sudden braking or steering. The correct practical response depends on the exact location, traffic level, visibility, road surface, and whether pedestrians, cyclists, animals, or crossing traffic may be present. It is listed in the catalogue as code 554.1.
After reviewing the full list of road signs, challenge yourself with practice questions focused specifically on sign recognition. Reinforce your learning and ensure you're fully prepared to identify and understand all traffic signs on the DVSA theory test.
Browse All GB Road Signs List