The cantons are struggling to keep up with mandatory vehicle inspections, leaving more than 550,000 checks overdue nationwide.
According to the Federal Roads Office, many cantonal inspection authorities are months - and in some cases more than a year - behind schedule.
Zurich alone accounts for more than 160,000 delayed inspections. The Roads Office is demanding cantons to reduce the backlog and prioritise older vehicles.
Your pictures of the eclipse
Another glacier lost due to heat
AI skills will pay more
Schools return amid heat wave
Man dies at Bains des Paquis
Federer loses billionaire status
