British drivers have revealed the top 20 things that annoy them about other drivers - and the number one complaint is lack of courtesy.
Whether it's failing to say thank-you when you let another driver pass or let someone out of a junction, failing to be thanked is guaranteed to raise the hackles of most drivers.
In second place in the league of annoying habits is other drivers using their mobile phone at the wheel, and in third spot is driving too slowly in the middle or outer lanes.
Cyclists register in fourth place when they run through red lights, and tractors that do not let queues of traffic pass bags fifth.
Rounding out the top 10 are bad parking, tailgating, throwing cigarette ends out of the window, not indicating and loud music while driving.
However, that's not the end of British drivers' list of complaints about others on the road, with not keeping pace with traffic in a traffic jam, not dipping headlights at night, other drivers picking their nose, drivers who don't move for emergency vehicles, and motorbikes filtering through traffic take the next five places in the list. It should be pointed out that filtering in slow or stationary traffic is legal for motorcycles in the UK.
The final five spots go to wheel spinning, dirty number plates, spitting out of the window, drivers who keep changing lanes in traffic jams, and those who slow to look at accidents.
More unusual habits that annoy British drivers include Baby On Board signs and personalised number plates.
Mark Hall, from Flexed that carried out the study, said: 'There's a serious point to this as it shows the frustrations British drivers face on our roads every day, which could lead on to more serious incidents if tempers aren't controlled. It's very easy for us to suggest that drivers take a more relaxed attitude to their motoring when they've been stuck in a traffic jam for the best part of an hour, but it's something that hard-put road-users really have to take on board.'
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