The S1 sign, depicting a heavy goods vehicle, is used in Swedish road signage to indicate that a specific rule, route, or instruction applies solely to heavy trucks. You will typically see it on direction signs or supplementary plates, clarifying that the information is not for passenger cars. Understanding this symbol is crucial for both efficient navigation of freight traffic and for passing your theory test, as it helps differentiate regulations for different vehicle categories.
Learn the key details of the S1 - Heavy Goods Vehicle 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.
The S1 symbol is a pictogram of a heavy goods vehicle used in Swedish road signage. It appears on direction signs or supplementary plates to clarify that a rule, route, destination, or instruction concerns heavy trucks. You should interpret it as targeting freight vehicles rather than passenger cars. In practice it helps separate heavy traffic from other traffic for safety, access control, and efficient routing.
This symbol indicates a heavy truck (heavy goods vehicle). When shown on a sign or supplementary plate, the information applies to heavy trucks.
Get clear, practical answers to the most common questions about the S1 - Heavy Goods Vehicle 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 S1 sign is a pictogram representing a heavy goods vehicle (HGV) or truck. When displayed, it signifies that any accompanying text, arrow, or restriction applies specifically to heavy trucks and not to other vehicles like passenger cars, unless stated otherwise.
You might see the S1 sign on various types of signs, such as direction signs indicating a specific route for trucks, or on supplementary plates to a speed limit or other restriction sign. It helps manage traffic flow by providing information tailored to heavy freight vehicles.
As a driver of a passenger car, you generally do not need to follow restrictions or directions indicated by the S1 sign unless there's an additional symbol or text specifying otherwise. The sign's purpose is to apply information specifically to heavy goods vehicles.
A common trap is assuming a restriction shown with the S1 symbol applies to all vehicles. Learners might also incorrectly apply a truck-specific route to their own car. Always remember the S1 symbol means the information is *only* for heavy goods vehicles.
Yes, the S1 sign is often used in conjunction with other traffic signs, such as speed limits, weight restrictions, or prohibition signs. It clarifies that the associated rule or information is specifically for heavy goods vehicles. Always read the S1 symbol alongside any accompanying text, arrows, or distance indications.
A clear reference image of the S1 - Heavy Goods Vehicle road sign used in Sweden.

The S1 - Heavy Goods Vehicle road sign may also be known by these alternative names or terms.
The S1 - Heavy Goods Vehicle road sign is part of the Symbols (S) category, which groups together signs with similar rules and functions.