当然不是了。请看: : Z" q6 ?4 o0 d: F$ a/ ^( C0 b8 s- @/ V& T L, {
U-turns 4 r! j! ]8 x- W6 {3 z 9 B; |$ |5 p9 IDo not make a U-turn unless you can do it safely and without interfering with other traffic. ' w- {# l& I# x( U2 b7 a4 T7 G4 wOutside 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. / [, c3 }! v) a( ~' y
- |& o7 J- m, D( N' kU-turns are not permitted in urban areas in the following situations: ' ^+ G( a9 q- ?7 z0 _0 o5 y( k* `9 K4 `On a roadway between intersections. 2 g9 h) O9 ^- ?* c0 M
Where a sign prohibits making a U-turn. C U, ~% i4 ~% PAt an intersection controlled by a traffic-control signal (traffic lights). 4 Q% e4 X3 g! G/ LAt an alley intersection. . V2 O- q7 o7 T ! ~- h/ I1 u: }' Q; x5 e摘自 Alberta Basic Driver's Handbook