当然不是了。请看: ' X$ B2 d1 T/ H. W5 [4 S6 } # x& f; z$ ?- \( LU-turns }+ h) u. @: a% y4 F: S+ a2 s5 J }* H" Q
Do not make a U-turn unless you can do it safely and without interfering with other traffic. 8 p. j& U h. I- A& h6 n
Outside 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. ( |! z: A( [/ _* x3 O) F W8 g$ s/ A7 }8 B9 t( R( Q
U-turns are not permitted in urban areas in the following situations:; r- W/ C8 g" q" o) C/ q
On a roadway between intersections. / i& W" Z! J, g
Where a sign prohibits making a U-turn. 5 L0 M" S# g8 K3 p m' r; WAt an intersection controlled by a traffic-control signal (traffic lights). ' n6 b% Q" H$ a( x0 K; kAt an alley intersection. 6 v; J8 J, {( F' I; x- D; X5 s+ w
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摘自 Alberta Basic Driver's Handbook