当然不是了。请看: 0 G3 _ p9 w& y+ i+ B4 [! ^* I( r" _3 y0 z9 f
U-turns : w5 ~8 `* a3 e6 |, a- i7 m) m ) J1 x. ^' c" K: UDo not make a U-turn unless you can do it safely and without interfering with other traffic. 3 k4 A$ y7 O1 v1 |2 |Outside urban areas U-turns are not permitted on a curve or near the crest of a hill where the driver of another vehicle cannot see your vehicle. 9 y" ?8 d8 u3 C0 q0 ~1 I& d, z2 `% Q % I6 N# b; G0 o+ g6 BU-turns are not permitted in urban areas in the following situations: 1 K8 F. N$ x/ D! N7 l qOn a roadway between intersections. $ P# ?5 s3 q. g# `/ R* M! JWhere a sign prohibits making a U-turn. 4 N- t7 r5 g" r7 o! h. m6 h
At an intersection controlled by a traffic-control signal (traffic lights). 7 S. ^6 t( j6 ~, r0 t
At an alley intersection. ) j) n2 c/ }& p0 k% s9 ~
% h9 ]' _* A6 U
摘自 Alberta Basic Driver's Handbook