The laws exist, the issue is enforcement. Usually the police has to first find suspicion, then take your car to a garage and determine with accuracy that it is too loud. Automatic enforcement is coming soon.
Zürich is testing "Lärmeblitzer"[1] which they want to put in certain places where people produce excessive noise with their vehicles. It will take time however as laws need to be changed to allow such devices to issue fines and they need to make sure the false positive rate is low enough.
Zürich is testing "Lärmeblitzer"[1] which they want to put in certain places where people produce excessive noise with their vehicles. It will take time however as laws need to be changed to allow such devices to issue fines and they need to make sure the false positive rate is low enough.
[1] https://www.20min.ch/story/pilotversuch-wegen-autoposern-sta...