This warning sign, 125.5 Priority Junction Ahead from the Left, alerts you to an upcoming junction where vehicles approaching from the left will have priority. In Iceland, this sign is crucial due to potential hazards like poor visibility, ice, or narrow roads, demanding early speed reduction, enhanced observation, and careful approach. It signals the need to adapt your driving to maintain stability and safety, especially when weather or road conditions are challenging.
This hazard warning sign is crucial for navigating junctions in Iceland, requiring early speed reduction and heightened observation to ensure safe passage. Mastering this sign's meaning is vital for your theory test revision and overall driving knowledge.
Priority Junction Ahead from the Left is a hazard warning sign placed far enough in advance to let drivers adapt before reaching the danger. It does not by itself create a fixed manoeuvre, but it clearly signals that the road or traffic situation ahead needs earlier braking, steadier steering, and better lane discipline than an ordinary section of road. In practice, the right response is to finish major braking before the hazard, keep a smooth line through it, and avoid sudden reactions that could destabilise the vehicle. The warning is particularly important in Iceland because weather, darkness, snow, wind, and changing surfaces can make a familiar hazard much more severe.
This warning sign tells drivers that a junction where right of way changes is ahead and that they need to reduce speed early, improve observation, and approach with extra care. On Icelandic roads that can mean preparing for poor visibility, loose gravel, ice, strong wind, narrow margins, or limited room to recover if something goes wrong.
Get clear, practical answers to the most common questions about the 125.5 - Priority Junction Ahead from the Left 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 Icelandic driving theory exam in Iceland.
This sign warns you that a junction is approaching where traffic coming from the left has the right of way. You must be prepared to slow down and yield to them. It's a hazard warning designed to make you more cautious and observant.
You should immediately reduce your speed before reaching the junction, increase your observation for traffic from the left, and be ready to give way. It's also wise to scan further ahead for any other potential hazards, especially in Icelandic conditions where visibility can be poor.
Not necessarily. The sign warns you that traffic from the left has priority. You must slow down and observe, and only proceed when it is safe to do so, meaning there is no traffic from the left that you would impede. Stopping is required if you cannot safely proceed without obstructing priority traffic.
Yes, absolutely. In Iceland, this sign is particularly important due to frequent challenges like snow, ice, fog, strong winds, and unpaved roads. These conditions can significantly reduce visibility and grip, making it harder to judge oncoming traffic and requiring extra caution.
A common trap is assuming that because the road looks quiet, priority is not enforced. Learners might also fail to reduce speed early enough or maintain sufficient observation for traffic from the left. The exam will test your understanding that this sign requires active preparation and yielding, not just a passive awareness.
A clear reference image of the 125.5 - Priority Junction Ahead from the Left road sign used in Iceland.

The 125.5 - Priority Junction Ahead from the Left road sign may also be known by these alternative names or terms.
The 125.5 - Priority Junction Ahead from the Left road sign is part of the Warning Signs category, which groups together signs with similar rules and functions.
Master Icelandic road signs by comparing related hazards and commands; reviewing similar signs improves your recognition accuracy and reduces common errors in theory test revision.

Prepare for a Dangerous Left-Hand Bend Ahead with Sign 100.2

Prepare for a series of bends, starting with a right turn, by understanding the Double Bend warning sign.

Warning: Double Bend Ahead, First Bend to the Left

Prepare for a Steep Ascent Ahead: What the 104.1 Sign Means

Prepare for Steep Uphill Gradients with the Steep Ascent Sign

Prepare for Steep Descents with the 104.2 Warning Sign

Prepare for a Steep Descent Ahead with this Important Warning Sign
After reviewing the full list of Icelandic road signs, reinforce your learning with targeted practice. Explore our sign group categories or take a specific quiz to test your recognition and recall. Ensure you're fully prepared to identify and interpret all traffic signs for your upcoming driving theory exam.
View All Icelandic Road Signs