This sign, officially 'Bahnübergang mit dreistreifiger Bake mit Entfernungsangabe - Aufstellung links', is a crucial danger warning sign in Germany. It alerts you to an upcoming level crossing, specifically with a distance marker board installed on the left side of the road, indicating the proximity of the tracks. As part of Germany's extensive network of warning signs, it's essential to recognise this signal early, adapt your speed, and remain vigilant for any other traffic signals or instructions to ensure a safe passage.
Master the meaning of German road sign 156-21 for level crossings, crucial for your theory test revision. This explanation details how to recognise and interpret the distance marker board to ensure safe navigation and compliance with traffic rules.
German road sign 156-21, officially designated "Bahnübergang mit dreistreifiger Bake mit Entfernungsangabe - Aufstellung links", belongs to the danger warning signs group. It warns that vulnerable road users, animals, or crossing movements may appear suddenly, so recognition and early speed reduction are essential. 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. This left-side version is used where the sign is placed on the left side of the carriageway or where a mirrored symbol fits the approach direction. 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 156-21 means "Level crossing with dreilaneer distance marker board with Entfernungsangabe - installed on the left" and is officially listed as "Bahnübergang mit dreistreifiger Bake mit Entfernungsangabe - Aufstellung 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 156-21 - Level crossing with dreilaneer distance marker board with Entfernungsangabe - installed on the 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 156-21, 'Level crossing with dreilaneer distance marker board with Entfernungsangabe - installed on the left', warns drivers about an approaching railway crossing. The 'dreistreifiger Bake' indicates you are getting closer to the tracks, and the 'Aufstellung links' specifies the sign is positioned on the left side of the carriageway.
Upon seeing sign 156-21, you must prepare to encounter a level crossing. This means you should reduce your speed, increase your awareness, and check for any other signals or barriers. Always be ready to stop if a train is approaching or if indicated by traffic lights or barrier signals.
The 'Aufstellung links' simply indicates the physical placement of the sign. While the sign's meaning is universal – warning of a level crossing – its position on the left side helps you orient yourself to the approaching hazard on that particular side of the road.
A common trap is not understanding that warning signs like 156-21 require proactive behaviour. Learners might incorrectly assume they only need to react when they see the crossing itself. However, this sign demands early speed reduction and increased observation as you approach the hazard zone, which might extend beyond the sign's immediate location.
No, sign 156-21 is a warning sign that indicates an approaching level crossing. It doesn't mandate an immediate stop like a 'Stop' sign (Sign 206). Instead, it requires you to slow down, observe carefully, and be prepared to stop if necessary due to active barriers, traffic lights, or an approaching train.
A clear reference image of the 156-21 - Level crossing with dreilaneer distance marker board with Entfernungsangabe - installed on the left road sign used in Germany.

The 156-21 - Level crossing with dreilaneer distance marker board with Entfernungsangabe - installed on the left road sign may also be known by these alternative names or terms.
The 156-21 - Level crossing with dreilaneer distance marker board with Entfernungsangabe - installed on the left road sign is part of the German Danger Warning Signs category, which groups together signs with similar rules and functions.
Reviewing signs similar to this one, like other distance markers or warning signs, helps solidify your memory and reduces confusion during your theory test revision. This comparative approach is crucial for mastering traffic sign recognition and ensuring you meet the German legal requirements for safe driving.

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Deepen your understanding of specific road sign categories or test your knowledge with practice questions. Explore our themed sign groups for targeted study or jump into quizzes to reinforce your recognition skills for the official German theory exam.
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