当然不是了。请看: ' \) \6 g6 B6 ?+ a 2 q2 f) p$ e7 m# QU-turns 1 T; D4 A, z. n- f: @ 7 m0 e+ i! U+ T- u1 t# ?; k" X. D* UDo not make a U-turn unless you can do it safely and without interfering with other traffic. j: R }3 A) L1 q* R( dOutside 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. 6 q6 v* f8 ^8 m" ]1 A% t4 B" ?. ?6 Y' W
U-turns are not permitted in urban areas in the following situations:$ t) V5 G+ i4 W- ]4 M8 q
On a roadway between intersections. 9 N3 H8 n: E4 h. `Where a sign prohibits making a U-turn. ! C7 c3 b- Z4 \/ R* [% C
At an intersection controlled by a traffic-control signal (traffic lights). 6 ~: |( i4 V$ R* D* k8 {1 ]At an alley intersection. 8 E/ k3 e% {& g5 H; T# Q- _
% T9 p1 T1 {) B5 S
摘自 Alberta Basic Driver's Handbook