当然不是了。请看: 4 G4 v8 O& x1 t; ~: A: ]# A. x. j& R K
U-turns - C/ @9 ] t- V: Y" ^2 B6 H$ ^ 5 N7 _6 b; f/ XDo not make a U-turn unless you can do it safely and without interfering with other traffic. 0 ], \+ y3 G9 i& 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. ) T c3 I% J. S$ E7 `5 Z % V6 y! N, ^ I0 y+ {8 z: fU-turns are not permitted in urban areas in the following situations: C G8 W0 l$ h$ k
On a roadway between intersections. * h/ W+ J! t% PWhere a sign prohibits making a U-turn. f1 G+ X: }" @# d) C( Q9 c
At an intersection controlled by a traffic-control signal (traffic lights). 3 ]- N3 B0 G( B
At an alley intersection. 0 w. ^0 Z8 R& ^9 p
/ O5 y7 ?4 _2 S
摘自 Alberta Basic Driver's Handbook