Noise (dB)

Sound is omnipresent. Too much sound is noise and it can have a detrimental effect on our health. In some European countries, noise protection zones are now being introduced to combat the noise caused by traffic even more strongly.

Motorways generate energy

In the search for new ways to generate green energy, motorways are now being targeted. But while people in Germany are still thinking about whether motorways should be covered with photovoltaic systems, for example, concrete steps have already been taken in Switzerland and Turkey.