A U-turn is also considered illegal if one of the following happens: You cross a kerb. You cross double white lines in the centre of the road. You are driving on a one-way street.

What is considered an illegal U-turn?

Under California law, drivers make an illegal U-turn when they make one at an intersection controlled by a traffic signal where a sign prohibits it. ... No driver shall make a U-turn at an intersection controlled by official traffic signals except as provided in Section 21451.

Is U-turn allowed in UK?

Although it is legal to make U-turns on many of the UK roads, it is important to beware of road signs prohibiting U-turns and not to inconvenience other road users and become a hazard.