What is going on? If you are parked on a single willow line you are allowed 20 minutes (so i believe). Every road in London SW1 has a single yellow, double yellow, a single red, or a double red line. I think the traffic Worden is ripping people if they give anyone an instant ticket(without timing it) for parking on a single yellow. Because haw are cab drivers and delivery drivers are supposed to do their job? They have to park somewhere to carryout their duty. I think traffic wardens who put instant tickets in vehicle when they are only parked on a single yellow are out to rip people off. They obviously do this because they know the car, bike or van will only be parked there for only 3 minutes(so they can make their commission up quickly so they can put their feet up and watch television for the rest on the day). I know they are on commission. They are robbing people why are doing an honest days work.