Introduce 3 penalty points on driving license and £100 fine for not using the indicators on the road.
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Everytime people don't use indicators it causes danger on the road, slows the traffic down and causes accidents. 21st century and people don't use them when changing the lane on the motorways, making u-turns or when exiting roundabouts causing many unsafe situations or even accidents on the roads and slowing the traffic down especially on the roundabouts.