The C11 sign clearly indicates that motorcycles, including those with a sidecar, are not permitted to enter the road ahead. This prohibition is typically enforced on roads where motorcycle traffic might cause issues with noise, safety, or environmental concerns. As this is a prohibition sign, remember that motorcycles are banned unless specific exemptions are posted elsewhere. For your driving theory exam, it’s crucial to recognise this sign and understand that you must use an alternative route if you are on a motorcycle.
Learn the key details of the C11 - Closed to Motorcycles road sign, including its function, what it communicates to drivers, and how it applies in real traffic situations in the Netherlands. Use this overview to understand the sign clearly and recognise it confidently during the Dutch driving theory exam.
The C11 sign is a white circle with a red border and a motorcycle symbol, indicating closed to motorcycles. It applies to all types of motorcycles, including those with sidecars or trailers, regardless of engine size. Authorities use it on roads where motorcycle traffic is considered unsafe, disturbing, or environmentally undesirable, such as narrow dykes, quiet recreation areas, or sensitive residential zones. Other vehicle categories remain subject to their own signs and rules.
This sign means that motorcycles are not allowed to enter the road or area, even when they have a sidecar or trailer attached. The prohibition aims to remove motorcycle traffic where it would cause noise, risk, or nuisance, for example on quiet dykes or residential streets. If you ride a motorcycle you must turn around before the sign and follow an alternative permitted route instead.
Get clear, practical answers to the most common questions about the C11 - Closed to Motorcycles 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 Dutch driving theory exam in the Netherlands.
The C11 sign, also known as 'Closed to Motorcycles' or 'No Motorcycles', means that all types of motorcycles, including those with a sidecar, are prohibited from using the road where this sign is displayed. It's a clear restriction on motorcycle access.
If you are riding a motorcycle and encounter the C11 sign, you must not proceed onto that road. You are required to find an alternative route that is permitted for motorcycle traffic. This sign is a strict prohibition.
Generally, the C11 sign means a complete ban on motorcycles. However, there might be specific local exemptions posted, or in some rare cases, you might be allowed to walk your motorcycle if the road is otherwise open to pedestrians and it's safe and legal to do so. Always check for additional signs.
The C11 sign is a prohibition sign. It doesn't warn you about a potential danger; it strictly forbids a specific type of vehicle, in this case, motorcycles, from entering the road. This is a key distinction for the theory test.
The C11 sign is used to restrict motorcycle access to certain roads due to reasons like noise pollution, specific safety concerns, or environmental protection. It helps manage traffic flow and maintain the intended character of certain areas or roads.
A clear reference image of the C11 - Closed to Motorcycles road sign used in the Netherlands.

The C11 - Closed to Motorcycles road sign may also be known by these alternative names or terms.
The C11 - Closed to Motorcycles road sign is part of the Closure & One-Way Signs (C) category, which groups together signs with similar rules and functions.