当然不是了。请看: 4 f4 |1 m5 @; n; M8 u9 B7 |9 M4 ? ) u1 g+ W3 |/ C5 T2 rU-turns w5 W/ E% M7 P* E, n# W+ R7 V9 v6 M+ K; l
Do not make a U-turn unless you can do it safely and without interfering with other traffic. ! C1 [9 r/ T" h2 eOutside 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. 1 U0 s: Y0 K% g' O
1 I" e. c. s, K! ?! u$ ^U-turns are not permitted in urban areas in the following situations: " i+ k6 B) Y$ E1 \On a roadway between intersections. - N. C% j% Z* A. L* }% h/ _: }+ P
Where a sign prohibits making a U-turn. * n. k, h3 ~9 l9 }( P
At an intersection controlled by a traffic-control signal (traffic lights). 0 @) _7 a$ J t+ f, K
At an alley intersection. " A2 J& o0 `5 n6 E 0 ]9 i; B* S+ _6 {摘自 Alberta Basic Driver's Handbook