You've reached the C30 sign, which marks the end of a section where heavy trucks were prohibited from overtaking. This means truck drivers can now resume overtaking, but only when it's safe, legal, and clear of other restrictions like road markings or visibility limits. Always check your surroundings and ensure sufficient space before passing another vehicle.
Learn the key details of the C30 - End of No Overtaking for Heavy Trucks road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in Sweden. Use this overview to understand the sign clearly and recognise it confidently during the Swedish driving theory exam.
This sign marks the end of a road section where heavy trucks were prohibited from overtaking. Beyond this point, heavy trucks may overtake again only when it is safe and otherwise legal. Drivers must still respect road markings, visibility rules, speed limits, and any other restrictions. The sign helps heavy vehicle drivers identify when they can resume normal overtaking behavior. Always evaluate traffic conditions carefully before pulling out to pass.
The overtaking prohibition for heavy trucks ends here.
Get clear, practical answers to the most common questions about the C30 - End of No Overtaking for Heavy Trucks 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 Swedish driving theory exam in Sweden.
The C30 sign indicates that a previously enforced prohibition on heavy trucks overtaking has ended. Drivers of heavy trucks can now legally overtake other vehicles again, provided it is safe and does not violate other traffic rules.
No, the C30 sign only lifts the specific prohibition. Heavy truck drivers must still assess current traffic conditions, visibility, road markings, and speed limits to ensure overtaking is safe and legal before proceeding.
Yes, even after the C30 sign, other rules and conditions can restrict overtaking. This includes lane restrictions, steep gradients, poor visibility, road markings prohibiting passing, or simply insufficient space to overtake safely.
A common trap is assuming overtaking is always safe immediately after the C30 sign. Learners must remember that general safe driving principles and other road rules always apply. The sign simply removes one specific restriction, not all of them.
While the C30 sign specifically addresses heavy trucks, drivers of passenger cars should be aware of it. It signals that heavy trucks may resume overtaking, so car drivers should be prepared for this possibility and drive defensively, especially if they are being overtaken.
A clear reference image of the C30 - End of No Overtaking for Heavy Trucks road sign used in Sweden.

The C30 - End of No Overtaking for Heavy Trucks road sign may also be known by these alternative names or terms.
The C30 - End of No Overtaking for Heavy Trucks road sign is part of the Prohibitory Signs (C) category, which groups together signs with similar rules and functions.