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Dutch Road Signs and Traffic Sign Meanings

The C4 'One-Way to the Right' sign means you must turn right into the one-way street.

C4 - One-Way to the Right Dutch road sign meaning

This traffic sign, coded C4, is typically found at junctions to inform you that the only permitted direction into the one-way street is to the right. It's a mandatory direction sign, crucial for maintaining orderly traffic flow and preventing dangerous wrong-way entries. When you see this sign, you must prepare to turn right into the indicated one-way street.

About the C4 - One-Way to the Right road sign

Learn the key details of the C4 - One-Way to the Right 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.

Definition of C4

A blue sign with a white right pointing arrow is placed at T junctions or intersections to require a right turn into a one way street. Its purpose is to control local traffic circulation and prevent dangerous wrong way movements or cut through traffic. Drivers must prepare early, choose the correct lane, and complete the right turn while respecting pedestrian crossings and cycling facilities.

Meaning of C4

This sign tells you that at the upcoming junction you must turn right into the indicated one way road. Continuing straight ahead or turning left is not allowed at this point. After turning, you must follow the one way direction of travel and may not reverse the direction against oncoming traffic further along the street.

Allowed actions for C4

Prepare in advance to make a right turn at the signed junctionReduce speed and signal right in good time before the junctionTurn right into the indicated one way road at the appropriate momentFollow the one way direction once you have completed the turnCheck mirrors and blind spots for cyclists and scooters on your right side

Prohibited actions for C4

Continue straight ahead when the sign requires a right turnTurn left at the junction into the one way streetReverse on the junction area to avoid making the required turnTurn into the one way road and then attempt to drive against trafficIgnore pedestrians or cyclists who are crossing while turning right

C4 - One-Way to the Right road sign FAQ

Get clear, practical answers to the most common questions about the C4 - One-Way to the Right 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.

What is the meaning of the C4 'One-Way to the Right' sign?

The C4 'One-Way to the Right' sign is a mandatory direction sign. It indicates that at an upcoming junction, you must turn right to enter a one-way street. Any other direction, such as going straight or turning left, is not permitted.

What actions are prohibited when I see the C4 sign?

When you encounter the C4 sign, you are prohibited from turning left into the one-way street, proceeding straight if it leads to a dead end or a situation not implied by the sign, or reversing against the direction of the one-way street. Essentially, only the right turn is allowed into the one-way street.

What should I do when I see the C4 'One-Way to the Right' sign?

Upon seeing the C4 sign, you must safely execute a right turn into the one-way street. Always check your mirrors and blind spots for other traffic before turning. You should also be prepared to adjust your speed if there is merging traffic entering the one-way street.

Are there any exceptions or variants of the C4 sign?

While the standard C4 sign shows a right arrow, there might be locally placed variants with a left-pointing arrow. In such cases, you would follow the direction of the arrow shown on the specific sign you encounter. The core principle remains: follow the indicated direction into the one-way street.

How does the C4 sign help with safe driving and the theory exam?

The C4 sign prevents confusion and potential accidents at junctions by clearly dictating the correct route into a one-way street. For the theory exam, understanding mandatory direction signs like C4 is vital. Failing to follow such signs can result in an immediate fail, as it demonstrates a lack of adherence to traffic rules.

C4 - One-Way to the Right road sign image

A clear reference image of the C4 - One-Way to the Right road sign used in the Netherlands.

C4 - One-Way to the Right road sign

Other names for the C4 - One-Way to the Right

The C4 - One-Way to the Right road sign may also be known by these alternative names or terms.

Right turn into one-wayOne-way right onlyMandatory right into one-wayRight approach only

Closure & One-Way Signs (C) road sign category

The C4 - One-Way to the Right road sign is part of the Closure & One-Way Signs (C) category, which groups together signs with similar rules and functions.

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