The best way to control this is to change the law of vehicle registration. as other countries do - every year all public service vehicles need to renew the registration, at that time the vehicle need to be check for road worthiness and safety before issuing the registration for the next year.
Every one talking other country they want to be Singapore those Country don’t have Silly things this is what happened before 76 years silly Government do the right things peoples power 💪🏽