The 'Route of the Main Road at the Junction' supplementary plate (815.5) is crucial for understanding how a primary traffic sign applies to specific road layouts. It always appears beneath another sign, detailing exactly how that sign's rule should be interpreted in the context of the junction ahead. Learners must learn to read this plate in conjunction with the main sign to grasp the complete traffic instruction.
This supplementary plate is crucial for correctly interpreting the main sign above it, clarifying priority at junctions and ensuring you understand exact scope. Mastering this detail is vital for theory test revision and safe driving, preventing common errors in understanding combined road instructions.
The Route Of The Main Road At The Junction is used beneath another sign to narrow or explain the exact effect of the main rule. It can define distance, time, vehicle class, written conditions, or another limit that changes how the main sign should be interpreted on the road. In theory questions and real traffic alike, the mistake is often to remember the main sign but forget the plate that changes its scope. The correct reading always comes from combining both elements into one complete instruction.
This supplementary plate explains more precisely how the main sign applies by adding detail about the exact scope of a main sign. It must always be read together with the main sign above it.
Get clear, practical answers to the most common questions about the 815.5 - The Route Of The Main Road At The 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 Icelandic driving theory exam in Iceland.
This plate is designed to work with a main traffic sign above it. Its purpose is to provide specific details about the junction ahead, clarifying which direction constitutes the 'main road' and how the primary sign's instruction applies to that route. It's essential for understanding priority and other rules at complex intersections.
You must always read the 815.5 plate together with the main sign positioned above it. The plate will illustrate the path of the main road, often with thicker lines, and indicate which direction you must follow or yield to. Never assume the main sign applies universally without considering what this supplementary plate adds.
A frequent error is focusing only on the main sign and forgetting to interpret the supplementary plate. For instance, a priority sign might appear to apply to all directions, but the 815.5 plate could show that priority only applies to vehicles continuing straight, while you must yield if turning. Always integrate both signs.
Yes, while this specific plate focuses on the route at a junction, supplementary plates in general can specify conditions such as time of day, distance, vehicle type, or specific written instructions. The key principle is that the supplementary plate narrows or clarifies the main sign's applicability.
When the 815.5 plate displays a diagram, it typically uses thicker lines to represent the main road and thinner lines for side roads. You must identify which line represents the main route and act according to the instruction of the main sign as it applies to that specific path.
A clear reference image of the 815.5 - The Route Of The Main Road At The Junction road sign used in Iceland.

The 815.5 - The Route Of The Main Road At The Junction road sign may also be known by these alternative names or terms.
The 815.5 - The Route Of The Main Road At The Junction road sign is part of the Supplementary Plates category, which groups together signs with similar rules and functions.
Reviewing related traffic signs helps solidify your understanding and reduces confusion, which is crucial for effective theory test revision. Comparing similar road signs and understanding their subtle differences improves your recall and accuracy for the Icelandic driving theory exam.

The 802.2 Distance Plate clarifies when and where the main sign's rule applies.

Understand the Length of Validity Plate (804.1) to correctly interpret traffic signs.

Understand the Length of Effect Plate (804.2) and its impact on main road signs.

The Time Period Plate (806.1) Always Works With Another Sign Above It

The Time Period Plate (806.2) Modifies Main Signs to Show When They Apply

This supplementary plate clarifies that the main sign applies specifically to passenger cars under 3.5 tonnes.

Understand the 'Truck' Vehicle Class Plate and How it Modifies Main Signs

This Supplementary Plate Clarifies Delivery Rules for the Sign Above.
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