When it comes to driving on specifically designated roads, the question often arises: “What is the maximum permissible gross weight for vehicles on specially signposted routes?” The answer to this is not always straightforward and depends on various factors, which we will examine in more detail below.
Permissible Gross Weight: What Does It Actually Mean?
Before we delve into the specific regulations, we should first clarify what “permissible gross weight” actually means. This value, often abbreviated as “MGW,” indicates the maximum allowed weight of a vehicle in a loaded condition. It is determined by the vehicle manufacturer and is documented in the vehicle registration certificate.
Traffic Signs: Key to Permitted Gross Weight
The answer to the question of the permitted gross weight on specially designated routes can often be found directly on the traffic signs. Here are a few examples:
- Sign 262: This sign shows a white car on a blue background and marks a “motorway”. On motorways, a permissible gross weight of 3.5 tons usually applies, unless otherwise regulated by additional signs.

- Sign 274: This sign shows a white truck symbol on a blue background and signals an “Autobahn”. On Autobahns, there is generally no restriction on the permissible gross weight.

- Supplementary Signs: Below the signs mentioned above, there may be supplementary signs that explicitly indicate a maximum gross weight. These restrictions then take precedence over the general regulations.

Exceptions and Special Cases
Of course, there are also exceptions and special cases that can affect the permissible gross weight on certain roads:
- Bridges and Tunnels: Bridges and tunnels may have a lower load-bearing capacity due to their construction. In such cases, additional restrictions on the permissible gross weight are indicated by appropriate signs.

- Construction Sites: In construction sites, it may be necessary to limit the permissible gross weight due to traffic safety and the protection of workers.

- Environmental Zones: In some cities, there are environmental zones where vehicles with high pollutant emissions are prohibited. This can also affect vehicles with a certain permissible gross weight.

What Happens If the Permissible Gross Weight Is Exceeded?
Exceeding the permissible gross weight is a serious violation of road traffic regulations and can result in high fines, penalty points on your driving record, and even driving bans.
Furthermore, overloading can negatively affect the vehicle’s handling and increase the risk of accidents.
“An overloaded vehicle is like a ticking time bomb on the road,” warns master mechanic Hans Schmidt from Berlin. “The brakes are overloaded, the handling becomes unstable, and in the worst case, it can lead to an accident.” 
Conclusion
The question “What is the maximum permissible gross weight for vehicles on specially…?” cannot be answered in a blanket way. The answer depends on various factors, especially the traffic signs and local conditions.
It is important to inform yourself about the applicable restrictions before starting your journey and to know the permissible gross weight of your own vehicle.
Do you have further questions about permissible gross weight or need support with the repair of your vehicle? Please feel free to contact us. Our experts are always available to help you with advice and assistance! 