The M21 road sign, often seen as markings on the curb, indicates a strict prohibition against both stopping and parking along that section of the road. This is crucial for maintaining traffic flow and visibility, especially near junctions or narrow areas. You must keep this curbside completely clear, even for very brief stops.
Master the meaning of the M21 'No Stopping or Parking' road marking to avoid penalties and ensure smooth traffic flow in Sweden. Understanding this sign is vital for your theory test revision and safe driving practice.
This marking shows a strict prohibition against both stopping and parking along the marked curbside. It is used where stopping would obstruct traffic flow, reduce visibility, or create danger, such as near junctions or narrow sections. Because it is applied at the road edge, it is designed to be clearly associated with the curbside area. Drivers must keep the area clear even for short stops.
A curb edge marking indicating it is forbidden to stop or park along this section of the road.
Get clear, practical answers to the most common questions about the M21 - No Stopping or Parking 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 Swedish driving theory exam in Sweden.
The M21 curb marking is a clear signal that you are forbidden to stop or park your vehicle at this location. This applies even if you intend to stop only for a moment to pick someone up or drop them off. The goal is to keep the road clear for traffic and ensure safety.
No, the M21 marking signifies a strict no stopping rule. Even a very short stop to pick up or drop off passengers is considered stopping and is therefore prohibited. You need to find a designated stopping or parking area further along the road.
This sign is used in specific locations where stopping or parking would cause a hazard or significantly obstruct traffic. Common places include narrow road sections, near intersections, bends with limited visibility, or areas designated for essential traffic movement. Keeping these areas clear is vital for road safety.
When you see the M21 marking, you must continue driving and actively search for a legal and safe place to stop or park your vehicle. Do not wait, stop, or park along the marked edge. Your priority is to maintain clear passage and avoid any obstruction or danger to other road users.
Generally, there are no exceptions for stopping or parking when the M21 marking is present. It's a strict prohibition designed for safety. You should always treat it as a complete ban on stopping or waiting, even with the engine running.
The M21 sign signifies a more stringent restriction than a 'No Parking' sign. While 'No Parking' prevents you from leaving your vehicle unattended, the M21 prohibits even brief stops for loading, unloading, or passenger drop-offs. You must keep moving or find a designated stopping bay.
A clear reference image of the M21 - No Stopping or Parking road sign used in Sweden.

The M21 - No Stopping or Parking road sign may also be known by these alternative names or terms.
The M21 - No Stopping or Parking road sign is part of the Road Markings (M) category, which groups together signs with similar rules and functions.
Comparing signs like the 'No Stopping or Parking' (M21) with similar traffic sign variations sharpens your ability to distinguish between subtle meanings, which is crucial for effective theory test revision. Practicing this traffic sign comparison technique improves recall and helps you avoid common errors during your exam preparation.

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The M12 Center Line with Warning Line: When Caution is Key

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Understand the M15 Pedestrian Crossing Markings and Pedestrian Priority

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Connect visual signage with essential Swedish traffic rules by exploring our curated set of practice questions and detailed road safety explanations. These resources reinforce your ability to interpret complex road situations according to Transportstyrelsen standards.
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The Identification Mark device indicates a required identification marking that must be displayed both on the front and on the rear. Its purpose is to ensure that the relevant person, vehicle, or unit can be recognised from either direction, improving safety and accountability in traffic environments where special roles, tasks, or permissions apply. Because it must be worn front and back, it supports visibility when approaching and when moving away. In practice, this type of marking is used to make it clear who is authorised or who is performing a specific traffic related function. Drivers should respect such markings and be prepared to follow any related instructions or restrictions that apply in the situation.
This warning sign indicates a location where the roadway ends directly at water, such as a quay, ferry ramp area, or waterfront access point. The hazard is that drivers may misjudge the road’s end, especially in darkness, fog, or glare, and enter the water. Reduce speed and follow any lane markings, barriers, and local instructions carefully. Be cautious of pedestrians, cyclists, and vehicles maneuvering for loading or turning. In icy conditions, stopping distance and traction may be severely reduced near the water’s edge.
After reviewing this complete list of Swedish road signs, deepen your understanding by exploring signs by category or practicing with simulated test questions. Solidify your recognition skills and ensure you are fully prepared for every aspect of the official driving theory exam.
All Swedish Road Signs List