When making a U-turn, you need to turn on the turn signal. If you are making a U-turn from the left lane, use the left turn signal; if you are making a U-turn from the right lane, use the right turn signal. Precautions for making a U-turn: When making a U-turn, you should turn on the left turn signal in advance. The maximum speed should not exceed 30 km/h, and you must not obstruct other vehicles or pedestrians traveling normally. Conditions under which U-turns are allowed: Presence of a U-turn signal or sign: If there is a U-turn signal at an intersection, you can make a U-turn when the U-turn indicator is green. If there is a U-turn sign at the intersection or a U-turn indicator on the lane, you can make a U-turn while ensuring your own and others' safety. No U-turn sign but left turns are allowed (no prohibition of U-turn signs): At intersections where left turns are allowed and there are no signs or markings prohibiting U-turns, vehicles can make a U-turn. Note that the vehicle must proceed according to the left-turn signal without affecting the normal travel of other vehicles. If making a U-turn at an intersection with a left-turn waiting area, you can first enter the left-turn waiting area when the straight signal is green and wait until the left-turn signal turns green to make the U-turn. U-turns are allowed at dashed lines: U-turns are permitted at both white and yellow dashed lines. If it is a double yellow line with one solid and one dashed, check whether your side is the dashed line. If it is, you can make a U-turn safely; if it is solid, you cannot. If encountering a double yellow line at an intersection, you can make a U-turn on the dashed side, but you must not cross the stop line ahead. U-turns are allowed at yellow grid lines: Parking is prohibited in yellow grid areas, but as long as there is no central barrier, you can make a U-turn here after yielding to normally traveling vehicles. U-turns are allowed on the dashed side of a green belt: When the front of the green belt is a dashed line, vehicles on that side can make a U-turn from there. When the front of the green belt is a solid line, vehicles must follow the traffic signal, cross the zebra crossing, and then make a U-turn. Driving over solid lines or zebra crossings to make a U-turn is prohibited.
