The 'Turn Prohibited' traffic sign (330.1) is a restrictive sign that clearly indicates you must not make a specific turn from this point onwards. This sign, part of Iceland's traffic regulations, typically enforces safety by preventing movements that could lead to conflicts or hazards. Always obey the restriction immediately and pay close attention to any supplementary plates that might further define the scope or exceptions to the ban.
This sign clearly indicates that turning in the direction shown is prohibited, a crucial point for your theory test revision. Understanding its specific meaning and context is vital for safe driving in Iceland and avoiding penalties.
Turn Prohibited is a restrictive sign that removes a movement, access right, or operating condition that would otherwise be possible. It is used to manage safety, protect vulnerable users, reduce conflict, or keep unsuitable vehicles and behaviour out of a particular road environment. The restriction usually starts at the sign itself and continues until it is cancelled, replaced, or naturally ends according to the road-sign rules. Whenever a supplementary plate is present, it tells you exactly which vehicles, times, distances, or conditions the ban covers.
This sign prohibits or restricts turn prohibited from the point where it applies. Drivers must obey the restriction immediately and look for any supplementary plate or end sign that explains the scope, duration, or exceptions.
Get clear, practical answers to the most common questions about the 330.1 - Turn Prohibited 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.
The 'Turn Prohibited' sign (330.1) means that you are forbidden from making a specific turn at this location. The prohibition applies from the point where the sign is displayed and continues until it is cancelled by another sign or a junction.
You are prohibited from making the turn indicated by the sign. Common mistakes include treating the sign as optional, especially if the road appears empty, or ignoring it due to habit. Always follow the sign's instruction and avoid relying on guesswork.
No, the 'Turn Prohibited' sign (330.1) does not require you to stop. It specifically prohibits you from performing a turn maneuver. You should continue driving and choose an alternative route or maneuver if the prohibited turn was your intended path.
Supplementary plates provide crucial additional information about the restriction. They might specify which vehicles are affected (e.g., 'except buses'), the times of day when the ban is active, or the distance over which the prohibition applies. Always read and obey any supplementary plate accompanying the 330.1 sign.
Unless a supplementary plate indicates otherwise, the restriction from the 'Turn Prohibited' sign (330.1) typically ends when it is cancelled by an 'End of Prohibition' sign, replaced by a different sign, or at the next relevant junction where traffic rules may change. Always be aware of your surroundings and look for end signs.
A clear reference image of the 330.1 - Turn Prohibited road sign used in Iceland.

The 330.1 - Turn Prohibited road sign may also be known by these alternative names or terms.
The 330.1 - Turn Prohibited road sign is part of the Prohibition and Restriction Signs category, which groups together signs with similar rules and functions.
Understanding subtle differences between similar road signs is crucial for accurate theory test revision and safe driving in Iceland. Comparing signs like 'Turn Prohibited' with related prohibition signs helps build strong sign recognition and reduces errors during your exam preparation.

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Understand the 'No Light Mopeds' (306.41) Traffic Sign

Understand the 'No Motorcycles' Road Sign (306.42) and its Restrictions

Understand the 'Driving All-terrain Vehicles On Tracks (snowmobiles) Is Prohibited' 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