The F12 'End of Passing Lane — Slow Vehicles' sign signals that the dedicated lane for slower vehicles will soon conclude. As you approach this sign, be aware that all traffic will soon need to use the main lanes according to standard rules. This sign is often seen on motorways or busy roads where slower vehicles are expected to use a designated lane to allow faster traffic to overtake. You must prepare to merge back into the normal flow of traffic safely, checking mirrors and blind spots, and rejoining the main lane without disrupting other road users.
Learn the key details of the F12 - End of Passing Lane — Slow Vehicles 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 end of the passing lane for slow vehicles marks the point where the separated lane structure is terminated. Slow vehicles that were obliged to use the special lane must now merge back into the general traffic lane, using mirrors, indicators and sufficient gaps. Faster vehicles should anticipate merging movements and, if necessary, create space. After this sign, only the usual lane markings and general traffic rules determine lane use.
This sign tells drivers that the special lane reserved for slow vehicles ends at this point. From here onward, all traffic returns to the normal lane arrangement and general lane rules apply again. Drivers in the slow lane must prepare to merge safely into the main lane and adapt their speed to the surrounding traffic.
Get clear, practical answers to the most common questions about the F12 - End of Passing Lane — Slow Vehicles 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 F12 sign indicates that the special passing lane, which was designated for slow-moving vehicles, is about to end. From this point onwards, all vehicles should revert to normal lane usage as dictated by road markings and general traffic rules.
When you see the F12 sign, you should anticipate merging back into the main traffic lane. It's crucial to check your mirrors and blind spots for other vehicles and merge safely and smoothly, allowing faster traffic to pass if necessary.
Yes, you must not merge in a way that is unsafe for yourself or other road users. Forcing faster traffic to brake abruptly or cutting someone off are prohibited actions. The goal is a smooth and safe transition back to normal lane discipline.
A common exam trap is not adequately preparing to merge. Learners might wait too long or merge too abruptly. Remember that this sign requires proactive observation and a timely, safe manoeuvre, not a sudden swerve.
Not necessarily. The sign primarily indicates the end of a dedicated lane. While you should merge safely and at an appropriate speed for the traffic conditions, you don't automatically need to reduce your speed unless traffic dictates. The key is to integrate smoothly into the main lane.
A clear reference image of the F12 - End of Passing Lane — Slow Vehicles road sign used in the Netherlands.

The F12 - End of Passing Lane — Slow Vehicles road sign may also be known by these alternative names or terms.
The F12 - End of Passing Lane — Slow Vehicles road sign is part of the Overtaking & Lane Directives (F) category, which groups together signs with similar rules and functions.