The 'Limited Axle Load' sign (320) is a restrictive traffic sign indicating a weight limit per axle on the road ahead. Drivers must adhere to this restriction immediately from the point the sign appears, and pay close attention to any supplementary plates that detail specific vehicle types, distances, or times for the restriction. This sign is crucial for protecting road infrastructure and ensuring traffic safety, and understanding it is vital for passing your Icelandic driving licence theory exam.
This essential prohibition sign restricts vehicles based on axle load, crucial for protecting road infrastructure and ensuring safety in Iceland. Mastering its meaning is vital for passing your theory test and understanding Icelandic traffic rules.
Limited Axle Load 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 limited axle load 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 320 - Limited Axle Load 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 'Limited Axle Load' sign (320) means that vehicles exceeding a specific weight per axle are prohibited from proceeding past the sign. This is a restrictive sign designed to protect roads and bridges from damage caused by heavy vehicles.
Yes, if your vehicle's design or load could potentially exceed the stated axle load limit, you must check it. Pay close attention to any supplementary plates which might specify the exact weight limit or which vehicles the restriction applies to. If in doubt, or if your vehicle exceeds the limit, you must find an alternative route.
Common mistakes include ignoring the sign, assuming it doesn't apply because the road looks sturdy, or failing to read supplementary plates which often clarify the restriction. Another trap is treating the sign as optional, especially if the road appears clear of traffic. Always obey the sign immediately.
The restriction imposed by the 'Limited Axle Load' sign (320) typically lasts from the point where it is displayed until it is cancelled by another sign, replaced by a different restriction, or naturally ends at the next major junction. Always look for an end sign or other relevant traffic signs.
Exceptions, if any, will be clearly indicated on supplementary plates below the main sign. These might specify certain types of vehicles that are exempt, or conditions under which the restriction does not apply. Always read these plates carefully as they modify the primary rule.
A clear reference image of the 320 - Limited Axle Load road sign used in Iceland.

The 320 - Limited Axle Load road sign may also be known by these alternative names or terms.
The 320 - Limited Axle Load road sign is part of the Prohibition and Restriction Signs category, which groups together signs with similar rules and functions.
Understanding the distinctions between similar road signs is key to passing your theory test. By comparing signs like 'Limited Axle Load' with others in the 'Prohibition and Restriction Signs' group, you enhance your sign recognition and reduce potential errors during exam preparation. Explore related traffic signs to master Icelandic road rules.

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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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