Examiners wear them. I think its so instructors can see them and know not to make their client try any manoeuvres in the vicinity, as they have to give way to people under examination.Thermo said:A driving instructor with a flourescent vest on in the car. WTF! When i was in the plod we used to detest being made to wear those things, we used common sense. What is it now, is it a fashion statement or do people feel powerful when theyve got them on?