The 'Turn Prohibited' sign (330.2) is a restrictive traffic sign that clearly indicates you must not turn in a certain direction from the point where the sign is displayed. This restriction applies immediately unless a supplementary plate indicates otherwise, such as specific times or vehicle types. Always obey this sign to ensure safety and avoid conflicts, especially in busy traffic situations or areas where specific movements are managed. Look for any end signs or junction indications that might end the restriction.
This essential sign prohibits turns, requiring careful attention to Icelandic traffic rules and road markings. Mastering its meaning is crucial for successful theory test revision and safe driving.
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 330.2 - 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 (330.2) means you are forbidden from making a specific turn (left or right, depending on the arrow displayed on the sign, or in both directions if indicated). You must not perform this manoeuvre from the point the sign is visible onwards until the restriction is lifted by an end sign or at the next junction.
The primary prohibited action is making the turn indicated by the sign. It is also prohibited to treat this sign as optional, especially if the road appears empty, to rely on local habits over the sign's instruction, or to enter an area with the banned turn and then attempt to correct the mistake. Ignoring any supplementary plates that clarify the ban's scope is also a violation.
Yes, exceptions are usually shown on supplementary plates directly below the 330.2 sign. These plates can specify that the prohibition applies only to certain types of vehicles, during specific times of day, or for a limited distance. If no supplementary plate is present, the prohibition generally applies from the sign until it is cancelled by an end sign or at the next junction.
If you see the 'Turn Prohibited' sign (330.2) and the direction it prohibits is where you need to go, you must choose an alternative route. Continue driving past the sign and look for the next opportunity to manoeuvre legally, or wait until you reach the next junction or an end sign that cancels the prohibition. Always slow down early to make sure you can comply safely.
In theory exams, the 'Turn Prohibited' sign (330.2) is often presented in scenarios where a driver is approaching an intersection. The question might test your understanding of whether you can make a specific turn or if you must continue straight or make a different manoeuvre. It's important to recognise the sign and understand that the restriction is absolute unless explicitly modified by a supplementary plate.
A clear reference image of the 330.2 - Turn Prohibited road sign used in Iceland.

The 330.2 - Turn Prohibited road sign may also be known by these alternative names or terms.
The 330.2 - Turn Prohibited road sign is part of the Prohibition and Restriction Signs category, which groups together signs with similar rules and functions.
Comparing signs like 'Turn Prohibited' with related prohibition signs sharpens your sign recognition and boosts recall, crucial for theory test revision. Effective traffic sign comparison helps you confidently navigate Iceland's roads by understanding subtle differences and specific meanings.

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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.
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