当然不是了。请看: 1 R! C: y2 o- T! P2 u! y- k) c / g8 w( c' c& ?% U- ^. ^9 @% |' HU-turns 8 n( O9 T$ s. Q* Z' D+ N, n9 `' r3 J( t* f
Do not make a U-turn unless you can do it safely and without interfering with other traffic. l% S! x0 z: S2 XOutside 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. * x4 P2 V' p L' s- w+ ]9 U8 P! M! m7 Q( | ?
U-turns are not permitted in urban areas in the following situations: : ]4 y. ?0 c( ?* e) _On a roadway between intersections. ! E( d& M" l7 X6 lWhere a sign prohibits making a U-turn. ( L! ^3 H! p2 p
At an intersection controlled by a traffic-control signal (traffic lights). 8 i" Z) P$ i" S$ T
At an alley intersection. , ]5 |/ K7 T' A) V8 S0 s2 R, I- w" c4 C, @
摘自 Alberta Basic Driver's Handbook