The C23.1 road sign is a prohibitory sign used in Denmark, clearly indicating a restriction specifically for heavy goods vehicles. When you encounter this sign, it's crucial to check if your vehicle, its load, or your intended manoeuvre is covered by the restriction. This sign is part of a series that enforces specific access or movement rules on certain roads or areas, so understanding its placement and context is key to safe and legal driving.
Mastering the 'No heavy goods vehicles' sign is crucial for your Danish theory test revision, preventing potential fines and ensuring compliance with traffic rules. This explanation will clarify the specific restrictions this sign imposes, aiding your road sign meaning and interpretation skills.
This Danish prohibitory sign creates a binding restriction. It can control turns, entry, access, vehicle category, load, dimension, speed, overtaking, stopping, parking, environmental-zone access, or use of shoulder and sidewalk areas. Correct interpretation means checking whether the rule applies to your vehicle and intended action before passing the sign. Official catalogue code: C23.1.
The "No heavy goods vehicles" sign sets a binding prohibition or restriction for the movement, vehicle category, stopping action, parking action, dimension, load, or road user shown. Catalogue code C23.1.
Get clear, practical answers to the most common questions about the C23.1 - No heavy goods vehicles 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 Danish driving theory exam in Denmark.
The C23.1 sign's main purpose is to prohibit heavy goods vehicles from entering a specific road, zone, or performing a certain manoeuvre. It's a binding restriction designed to manage traffic flow, reduce congestion, or protect certain road sections.
While definitions can vary slightly, 'heavy goods vehicle' generally refers to vehicles designed for carrying goods with a maximum laden weight exceeding a certain threshold, often over 3.5 tonnes. Always check specific Danish regulations if you are unsure about your vehicle's classification.
No, the C23.1 sign specifically targets heavy goods vehicles. If you are driving a standard passenger car, a smaller van, or a vehicle not classified as a heavy goods vehicle, this sign does not apply to you and you are permitted to proceed.
A common mistake is assuming the sign applies to all vehicles or misjudging what constitutes a 'heavy goods vehicle'. Learners might also ignore the sign if it's placed alongside other signs or road markings without understanding that the prohibition is absolute for the specified vehicle category.
You might see the C23.1 sign placed at the entrance to residential areas, narrow roads, bridges with weight restrictions, or areas where heavy traffic is undesirable or unsafe for general vehicles. It can also be used in conjunction with environmental zone restrictions.
A clear reference image of the C23.1 - No heavy goods vehicles road sign used in Denmark.

The C23.1 - No heavy goods vehicles road sign may also be known by these alternative names or terms.
The C23.1 - No heavy goods vehicles road sign is part of the Danish Prohibitory Signs category, which groups together signs with similar rules and functions.
Comparing signs like 'No heavy goods vehicles' with similar prohibitory signs deepens understanding and improves recall for your theory test revision. Effective traffic sign comparison is key to mastering recognition and reducing exam errors.

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Understand the C12 'No U-turns' prohibitory traffic sign in Denmark

Understand the C21 'Driving in both directions prohibited' sign in Denmark.

Understand the 'No Motor Vehicles' (C22.1) Sign: What It Means and How to Obey It

C22.2 Sign: No Motorcycles or Large Mopeds Allowed Ahead

The C23.2 'No Buses' sign prohibits bus traffic, directing drivers to check applicable restrictions.
After reviewing the full list of Danish road signs, test your understanding by attempting practice questions focused on sign recognition and meaning. Reinforce your learning and identify areas needing further study to confidently pass your driving theory exam.
View All Danish Road Signs List