The D4 sign, officially known as 'Mandatory Direction — Straight Ahead', is a crucial traffic sign used in the Netherlands. It dictates that you must proceed directly forward through the intersection or junction where it is displayed. This sign is often found at locations where turning is prohibited for safety reasons or because the road ahead is intended exclusively for through traffic. Drivers must comply with this directive to ensure safe traffic flow and avoid violating traffic rules.
Learn the key details of the D4 - Mandatory Direction — Straight Ahead 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.
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.
This sign requires drivers to continue straight ahead and forbids turning off the main direction at the next junction or split. It is used where side roads are not suitable for turning traffic or where through movement must be protected. When you see this sign, choose the correct lane in advance and follow the carriageway straight on without turning or making a U-turn.
Get clear, practical answers to the most common questions about the D4 - Mandatory Direction — Straight Ahead 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 D4 sign means you are legally required to continue driving straight ahead at the next junction or intersection. You are not permitted to turn left or right, or make a U-turn.
You will often encounter the D4 sign near one-way streets, at the start of roads designated only for through traffic, or at complex junctions where turning movements could be hazardous or confusing. It ensures a clear, predictable path for drivers.
When you see the D4 Mandatory Direction — Straight Ahead sign, you are prohibited from turning left, turning right, or making a U-turn. Your only allowed action is to continue directly forward.
A common trap is confusing the D4 sign with a regular directional sign. The D4 sign is mandatory; it doesn't offer a choice. Failing to go straight when this sign is present is a common error in theory tests and real driving.
No, the D4 sign specifically prohibits turning movements (left, right, or U-turn) at the particular junction where it is placed. It mandates that you continue straight through that specific point. Exits or other lanes that lead straight ahead are still permissible.
A clear reference image of the D4 - Mandatory Direction — Straight Ahead road sign used in the Netherlands.
The D4 - Mandatory Direction — Straight Ahead road sign may also be known by these alternative names or terms.
The D4 - Mandatory Direction — Straight Ahead road sign is part of the Mandatory Direction Signs (D) category, which groups together signs with similar rules and functions.