German road sign 1031-51, 'Freistellung vom Verkehrsverbot nach § 40 Absatz 1 BImSchG - gelbe und grüne Plakette', is a supplementary sign used with main traffic signs. It specifically indicates an exemption from a traffic ban for vehicles displaying yellow or green environmental protection stickers. This means that if a main sign prohibits certain traffic, this supplementary plate clarifies that vehicles with these specific stickers are allowed entry. Always read this sign in conjunction with the main sign above it to understand the full implications for your driving route and decisions.
This supplementary sign, "Freistellung vom Verkehrsverbot nach § 40 Absatz 1 BImSchG", specifies exemptions related to environmental zones (Umweltzonen) in Germany, often linked to specific coloured stickers. Mastering its meaning is crucial for correct traffic sign explanation during your theory test revision and for navigating German roads safely.
German road sign 1031-51, officially designated "Freistellung vom Verkehrsverbot nach § 40 Absatz 1 BImSchG - gelbe und grüne Plakette", belongs to the supplementary signs group. It changes how the sign above is applied by adding a distance, direction, time period, vehicle class, exception, condition, or parking detail. You may see it in below a main traffic sign, where it limits, extends, explains, or creates an exception to the rule shown above it, depending on how the road authority has arranged the location. 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 reading the entire sign stack from top to bottom before deciding whether the rule applies to your vehicle. Always combine the sign with road markings, traffic lights, police instructions, and any supplementary plates at the same location.
German road sign 1031-51 means "Freistellung vom Verkehrsverbot to the § 40 Absatz 1 BImSchG - gelbe grüne Plakette" and is officially listed as "Freistellung vom Verkehrsverbot nach § 40 Absatz 1 BImSchG - gelbe und grüne Plakette". 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 1031-51 - Freistellung vom Verkehrsverbot to the § 40 Absatz 1 BImSchG - gelbe grüne Plakette 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.
The main purpose of sign 1031-51 is to grant an exemption from a traffic ban, typically found on a main sign above it. It specifically allows vehicles with yellow or green environmental protection stickers ('Plakette') to enter an area where other vehicles might be prohibited, contributing to air quality management.
Absolutely. Sign 1031-51 is a supplementary plate and has no meaning on its own. You must always read it in combination with the main traffic sign mounted above it. The main sign indicates the prohibition, and 1031-51 explains which vehicles are exempt from that prohibition.
'Gelbe grüne Plakette' refers to the yellow and green environmental protection stickers that vehicles can display in Germany. These stickers indicate the vehicle's emission standard. Sign 1031-51 specifies that vehicles with these particular coloured stickers are exempt from a traffic ban.
No, sign 1031-51 specifically mentions only 'gelbe und grüne Plakette' (yellow and green stickers). If the main sign above it denotes a traffic ban, only vehicles with yellow or green environmental stickers are exempted by this supplementary plate. Vehicles with other coloured stickers, or no sticker, would still be subject to the main sign's prohibition.
Sign 1031-51 is directly related to environmental zones (Umweltzonen) in Germany. These zones are established to improve air quality, and access is often restricted to vehicles meeting certain emission standards, indicated by environmental stickers. This sign clarifies exceptions to those restrictions for specific sticker colours.
A common exam trap is assuming this sign grants a general exemption to all vehicles, or forgetting to check the main sign above it. Learners must remember that supplementary plates modify the main sign's rule, and the exemption is specific to the sticker colours mentioned. Failing to interpret the full sign stack correctly can lead to a theory test failure.
A clear reference image of the 1031-51 - Freistellung vom Verkehrsverbot to the § 40 Absatz 1 BImSchG - gelbe grüne Plakette road sign used in Germany.

The 1031-51 - Freistellung vom Verkehrsverbot to the § 40 Absatz 1 BImSchG - gelbe grüne Plakette road sign may also be known by these alternative names or terms.
The 1031-51 - Freistellung vom Verkehrsverbot to the § 40 Absatz 1 BImSchG - gelbe grüne Plakette road sign is part of the German Supplementary Signs category, which groups together signs with similar rules and functions.
Reviewing related road signs like this one helps cement your understanding and prevent errors during your German driving theory test. Practicing traffic sign comparison and improving sign recognition are key steps in mastering the official driving knowledge required for your licence.

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