Autobahn -

Roads are constructed with thicker concrete or asphalt layers than standard highways to withstand the stress of high-speed travel.

Driving significantly above the advisory speed can result in partial or full liability in the event of an accident, even if the driver was not at fault for the initial collision. Driving Etiquette and Strict Laws Autobahn

There is a recommended advisory speed ( Richtgeschwindigkeit ) of 130 km/h (80 mph) on unrestricted stretches. Roads are constructed with thicker concrete or asphalt

The effectiveness of the Autobahn relies on disciplined driving habits enforced by law. Autobahn

To minimize distractions and maximize safety, there are no roadside advertisements. Speed Limits and Regulations