You should be, because the latest measures from the Road Safety Act 2006 (coming into force today) could have some pretty frightening consequences for your driving licence: six points for a speeding offence, for example.
Leading transport lawyer Tim Ridyard (of Barker Gotelee solicitors) says, "The increase from 3 to 6 points for this offence is awful and will lead to some very harsh treatment of some drivers," and goes through the new Road Safety Act 2006 rules in some detail on the Transport Law Blog.
Be afraid - be very afraid...