当然不是了。请看:! p1 q/ H" e: k1 U2 |% f
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U-turns : P( E K" }! B6 V: i' z" c8 ^- M: a
Do not make a U-turn unless you can do it safely and without interfering with other traffic. - ]7 a. t( l6 s' H) X: K( j2 POutside 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. ( J- z5 |0 Y( z/ y" b
& {& s4 j1 R* ^" i) U t D, WU-turns are not permitted in urban areas in the following situations: : k2 |9 n) [" GOn a roadway between intersections. $ [5 S y4 n$ o5 x. o
Where a sign prohibits making a U-turn. 0 e3 Y( [0 J4 g d- p' H h/ VAt an intersection controlled by a traffic-control signal (traffic lights). 8 f6 H2 Y4 f" u7 ]6 BAt an alley intersection. , B6 \1 ~" h% }. A 9 {% p, T r. E' |7 L) F4 ?) S摘自 Alberta Basic Driver's Handbook