This German traffic sign, officially 'Einseitig verengte Fahrbahn - Verengung links' (121-20), warns that the road ahead narrows on the left side. As a danger warning sign, it signifies a potential reduction in available space and requires early adaptation of your driving. You should anticipate this hazard by reducing your speed before reaching the narrow section and ensuring you maintain a safe position and clearance.
This sign (121-20) warns of a road narrowing on the left, requiring careful speed adjustment and positioning for safe passage. Master its meaning for your theory test revision with clear road sign explanations.
German road sign 121-20, officially designated "Einseitig verengte Fahrbahn - Verengung links", belongs to the danger warning signs group. It warns about a road-layout, clearance, weather, or surface condition that can reduce control, sight distance, grip, or available space before the driver reaches the hazard. You may see it in approaches to hazards, rural roads, urban conflict points, railway crossings, roadworks, and weather-sensitive sections, depending on how the road authority has arranged the location. Any left reference should be read as part of the direction, road side, lane arrangement, or placement shown by the sign. The practical meaning is not just the symbol itself, but the driving decision it triggers: adjust speed, position, priority, route choice, stopping behaviour, or attention before the situation becomes urgent. For learners, the key skill is anticipating what could go wrong before the hazard is visible. Always combine the sign with road markings, traffic lights, police instructions, and any supplementary plates at the same location.
German road sign 121-20 means "Road narrows on one side - Verengung left" and is officially listed as "Einseitig verengte Fahrbahn - Verengung links". In practice, it tells drivers to recognise the situation early, adapt before reaching the controlled area, and check whether markings or supplementary plates change how the rule applies.
Get clear, practical answers to the most common questions about the 121-20 - Road narrows on one side - Verengung left 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 German driving theory exam in Germany.
Sign 121-20 warns drivers that the road ahead will narrow on the left side. It's a danger warning sign indicating a change in road layout that requires drivers to be more cautious and prepare for reduced space.
Upon seeing sign 121-20, you must reduce your speed early enough to maintain full control before you reach the narrow section. You should also check your mirrors and be aware of other traffic, as the narrowing might affect priority or require careful lane positioning.
A common mistake is failing to react early enough to the narrowing. Learners might also not adequately assess the space available for oncoming traffic or fail to consider how the narrowing affects their lane if it's not clearly marked. The exam expects you to anticipate the hazard, not just react when it's upon you.
Sign 121-20 itself does not dictate priority. However, the narrowing on the left might create a situation where you need to yield to oncoming traffic if space is very limited, especially if there are no clear markings or signals indicating otherwise. Always assess the actual situation and other road users' behaviour.
Yes, supplementary plates can significantly alter how sign 121-20 applies. For example, a plate might specify the length of the narrowed section, indicate that the narrowing is due to roadworks, or suggest a specific speed limit. Always observe any accompanying signs for precise instructions.
A clear reference image of the 121-20 - Road narrows on one side - Verengung left road sign used in Germany.
The 121-20 - Road narrows on one side - Verengung left road sign may also be known by these alternative names or terms.
The 121-20 - Road narrows on one side - Verengung left road sign is part of the German Danger Warning Signs category, which groups together signs with similar rules and functions.
Comparing signs like 'Road narrows on one side - Verengung left' with related danger warnings enhances your theory test revision. Practice focused traffic sign comparison to solidify your understanding and improve sign recognition for the exam.
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