当然不是了。请看: : u0 J+ n7 |6 o% X* e# @" v" g: K$ n
U-turns 6 a: A$ A0 V- B" K9 `7 S# s/ a8 j" O! ?5 _* w
Do not make a U-turn unless you can do it safely and without interfering with other traffic. . \9 Q5 v0 h" u: Y; m
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. 3 D* L7 H. O# Y8 B 2 ]( C/ @. v- a9 uU-turns are not permitted in urban areas in the following situations: 7 B8 b9 K& Q- f0 j' LOn a roadway between intersections. 1 G4 z2 ?; G- f+ |8 ^
Where a sign prohibits making a U-turn. , _! z% Q* C; F: H
At an intersection controlled by a traffic-control signal (traffic lights). 5 T' J: L+ j$ P/ S5 J+ o) ?; E6 T/ }At an alley intersection. - A' G9 M% x, y( t" _! E: G% e* Y+ S1 i
摘自 Alberta Basic Driver's Handbook