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.
The C4 sign mandates a right turn into a one-way street, crucial for navigating Dutch traffic rules and ensuring safe driving. Master its interpretation for your theory test revision and smooth journey.
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.
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.
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.
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.
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.
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.
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.
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.
A clear reference image of the C4 - One-Way to the Right road sign used in the Netherlands.

The C4 - One-Way to the Right road sign may also be known by these alternative names or terms.
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.
Comparing this C4 'One-Way to the Right' sign with similar traffic signs helps solidify your understanding and improve recall for your theory test revision. Effective traffic sign comparison reduces confusion and builds confidence in identifying road signs accurately.

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.
Being involved in a car accident is stressful, but understanding your legal duties in the Netherlands is essential for both immediate safety and long-term legal standing. This article explains the mandatory actions you must take, such as stopping at the scene, offering assistance to anyone injured, and reporting the incident correctly, all of which are important for safe driving practices and the CBR theory exam.
Master Dutch Intersection Warning Signs: Drive Safely and Pass Your CBR Exam.
Know Your Duties: What to Do After a Road Accident in the Netherlands
Learn the essential rules for navigating Dutch woonerven, or living streets, in preparation for your CBR theory exam. We explain the strict 'walking pace' requirement and how to yield appropriately to residents, ensuring you drive safely and avoid common pitfalls in these shared residential spaces.
A rectangular blue sign with a white arrow indicates the permitted approach to a one way street. It is usually placed at junctions to show from which side traffic may enter the road. Drivers who enter must then follow the arrow direction along the entire street. The sign complements the no entry sign that closes the opposite end of the one way road.
D4 is a blue mandatory direction sign with a single upward arrow, meaning that only straight-ahead movement is allowed. It is typically installed before intersections, junctions, or road forks where turning left or right would be unsafe, undesired, or reserved for specific users. The sign helps maintain smooth traffic flow on through routes and prevents conflicts with oncoming or crossing traffic at side roads that are not intended for general turning.
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