You are driving a road haulage combination vehicle with a maximum authorised mass of 30 t. When may you continue driving after seeing this road traffic sign?

This sign indicates a general prohibition for trucks weighing more than 7.5 tons from using this road as a through route ("Durchgangsverkehr" means through traffic). However, there are exceptions where heavy vehicles may continue despite this restriction.

The allowed exceptions are:

1. You must deliver goods to a local resident – this means if your journey involves stopping in the restricted area to unload or deliver, you are permitted to proceed.

2. You are driving on a designated diversionary route – sometimes official detours for heavy vehicles are marked, and these override the general ban.

The option about complying with driving and rest periods (option 3) does not justify ignoring this traffic sign. Rest and driving time regulations are important, but they do not allow you to break local restrictions designed to protect residential areas or limit traffic.

So, the key point is that the restriction is primarily about preventing through traffic of heavy trucks, except when local delivery or official diversions apply. This helps reduce noise, pollution, and wear on local roads.