有关u-turn

小胡同

最近查google map for directions, 经常会看到需要u-turn。印象之中好像在主路上不可以，不管是否有不可u-turn的牌子。平常也看到有人在红绿灯处做u-turn。
. D" S2 T5 o2 [# p8 Q请问u-turn到底是不是合法的？
谢谢！

EightBelow

U-turns
, S* ~# {3 R7 [! u• Do not make a U-turn unless you can do it safely and without interfering
( }/ ^$ y: P. [with other traffic.
• Outside urban areas U-turns are not permitted on a curve or near the
" u2 G3 e2 l8 _: h7 `  V( U+ mcrest of a hill where the driver of another vehicle cannot see your vehicle.
U-turns are not permitted in urban areas in the following situations:
6 {0 I8 R' J  J7 \• On a roadway between intersections.
• Where a sign prohibits making a U-turn.
• At an intersection controlled by a traffic-control signal (traffic lights).
" }$ ]- H5 _9 s* ~" Z* A4 w• At an alley intersection.

无语

有红绿灯的地方U-Turn是违规的。