This C17 sign, 'Closed to Vehicles Longer Than...', is a prohibition sign that restricts entry to vehicles or combinations exceeding a specific length indicated on the sign itself. It's often used to protect routes with tight curves or short loading bays, ensuring long vehicles don't get stuck or cause hazards. The length includes any load and trailer, so always check your vehicle's total dimensions before proceeding. Understanding this sign is crucial for safe navigation and passing your Dutch theory exam.
This sign mandates that vehicles exceeding the specified length, including load, are prohibited from proceeding, crucial for navigating Dutch traffic rules. Master this road sign meaning for your theory test revision and safe driving.
The C17 sign is a white circle with a red border and a length value, indicating closed to vehicles or combinations whose total length, including load, exceeds that value. It is often found before narrow bridges, sharp hairpin bends, short ferry ramps, or compact city streets where long vehicles cannot safely manoeuvre or wait. Drivers of trucks, buses, and articulated combinations must know their exact length and plan an alternative route if they exceed the posted limit.
This sign means that vehicles or combinations longer than the length shown on the sign may not enter. The limit includes the full vehicle plus any trailer and load, so you must check your total length before continuing. The rule prevents long combinations from getting stuck on tight curves, blocking junctions, or causing danger in short storage bays, so over length vehicles must choose another suitable route.
Get clear, practical answers to the most common questions about the C17 - Closed to Vehicles Longer Than… 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 C17 sign means that vehicles or vehicle combinations that are longer than the length specified on the sign are not allowed to enter the road ahead. This length typically includes the vehicle, trailer, and any load it is carrying.
This sign is primarily used to protect roads that are not suitable for long vehicles, such as those with sharp bends, narrow passages, or short turning areas. It prevents potential traffic jams, accidents, and damage to roads or vehicles.
A common trap is forgetting to include the trailer and load when calculating the total length. Drivers might only consider the tractor unit. Always ensure you know your vehicle's total length, including its load, to correctly interpret the C17 sign and avoid an exam mistake.
Yes, if your vehicle's total length (including load and trailer) is shorter than the length indicated on the C17 sign, you are allowed to enter. However, be mindful of the turning radius required; sometimes even shorter vehicles can have difficulty navigating tight corners.
If your vehicle exceeds the posted length, you must not enter that road. You should look for an alternative route that is suitable for your vehicle's dimensions. Sometimes, escort vehicles are required for specific over-length transport, but the C17 sign itself indicates a complete prohibition unless otherwise specified.
A clear reference image of the C17 - Closed to Vehicles Longer Than… road sign used in the Netherlands.

The C17 - Closed to Vehicles Longer Than… road sign may also be known by these alternative names or terms.
The C17 - Closed to Vehicles Longer Than… road sign is part of the Closure & One-Way Signs (C) category, which groups together signs with similar rules and functions.
Reviewing related signs like this 'Closed to Vehicles Longer Than...' warning alongside others helps solidify your understanding of Dutch traffic rules. Comparing similar road signs improves sign recognition and aids in your theory test revision by reducing confusion.

The C1 sign means 'Closed to All Vehicles', but pedestrians are welcome.

The C10 sign means no entry for motor vehicles towing trailers in the Netherlands.

C11: Motorcycles are Prohibited on This Road

Understand the 'Closed to All Motor Vehicles' (C12) Prohibition Sign

Understand the C13 sign: No Engine-Powered Mopeds or Disability Vehicles Allowed

Understand the C14 sign: Bicycles and non-motorized disability vehicles prohibited.

This C15 sign means no access for bicycles, mopeds, and disability vehicles.

The C16 'Closed to Pedestrians' sign means you must not proceed on foot beyond this point.
Improve your recognition of official Dutch traffic signs by exploring related theory modules and complex priority scenario studies. These linked resources bridge the gap between visual identification and applying traffic rules correctly for your CBR exam.
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The C1 sign is a white circle with a red border that means road closed in both directions to vehicles, riders, and persons in charge of animals or livestock. It creates a fully traffic free zone for motor and animal drawn traffic, often in pedestrianised shopping streets, market squares, or during roadworks. Deliveries, agricultural traffic, and through traffic must use alternative routes unless a specific exemption is shown on an additional plate.
An advance dead end to the right sign is placed before an intersection to indicate that the right turning road soon terminates for motor vehicles. It helps drivers avoid unnecessary turning movements, U turns and reversing in a short cul de sac. Through traffic and heavy vehicles that need continuous routes are encouraged to remain on the main road or use an alternative junction that offers a proper connection.
After reviewing the full list of Dutch road signs, deepen your understanding by exploring signs organized by category or practicing with targeted questions. This systematic approach ensures you fully grasp every sign's meaning and application, preparing you thoroughly for your CBR driving theory exam.
View All Dutch Road Signs