当然不是了。请看:2 r* i# ?! u5 ~- N9 r4 K9 ^: c3 h! Q
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U-turns # O- X% k/ \5 g' ]9 e' L9 X: K0 `. E9 ]$ o6 S/ A, f3 ]
Do not make a U-turn unless you can do it safely and without interfering with other traffic. 8 f3 y3 v. c4 O" V! g9 {; C AOutside 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. " A! ~; K8 _3 G+ {3 R
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U-turns are not permitted in urban areas in the following situations:! j8 U( H( e( ]5 A2 ?" y }
On a roadway between intersections. 2 A2 z- \+ r: q
Where a sign prohibits making a U-turn. 1 |& U! l* s, J+ ?, y. l& q
At an intersection controlled by a traffic-control signal (traffic lights). ; Z$ s1 ?7 \1 a9 G3 J
At an alley intersection. : D6 n( t/ m8 ^5 [8 k7 y% s1 C
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摘自 Alberta Basic Driver's Handbook