The C22b sign signals the end of an environmental zone (Milieuzone) in the Netherlands. This means the specific access restrictions for certain vehicles no longer apply beyond this point. While you can resume normal driving according to general traffic rules, it's crucial to stay alert and check for any new traffic signs that might introduce different regulations at the next intersection. This sign is important for understanding route planning and ensuring you comply with all current road rules.
Learn the key details of the C22b - End of Environmental Zone 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.
C22b is the end sign for an environmental zone that restricted certain diesel vehicles. It indicates that the special low emission access rules no longer apply past this point, although other prohibitions or closures may still be valid. The sign is placed at the exit of the zone to clearly mark its boundary. Drivers must immediately observe any new signs that follow after the end of the zone.
This sign shows that you are leaving the environmental zone and that the diesel related access restrictions for older vehicles end here. Beyond this point, normal access rules and general traffic regulations apply again unless new signs indicate otherwise. Drivers may continue their journey without the specific environmental zone limits but must still obey all other local rules.
Get clear, practical answers to the most common questions about the C22b - End of Environmental Zone 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The C22b sign indicates that the restrictions imposed by an environmental zone (Milieuzone) are no longer in effect. You can drive normally past this sign, assuming no other signs indicate otherwise.
When you see the C22b sign, you are exiting an environmental zone. You can proceed with your journey, but always remain aware of your surroundings and be prepared to follow any new traffic signs or instructions that may appear shortly after, especially at the next junction.
A common trap is assuming all other traffic restrictions also end here. The C22b sign only specifically ends the environmental zone restrictions. Always watch for other traffic signs that might be present beyond this point, as they could impose speed limits, parking rules, or other regulations.
Yes, once you pass the C22b sign, you are no longer subject to the environmental zone's specific vehicle restrictions. However, you must still comply with all other general traffic rules and any other signs or signals you encounter.
Road authorities might implement new rules immediately after the environmental zone ends. This could include different speed limits, access restrictions for specific events, or changes in road layout. Always remain vigilant to ensure continued compliance with Dutch traffic regulations.
A clear reference image of the C22b - End of Environmental Zone road sign used in the Netherlands.

The C22b - End of Environmental Zone road sign may also be known by these alternative names or terms.
The C22b - End of Environmental Zone road sign is part of the Closure & One-Way Signs (C) category, which groups together signs with similar rules and functions.