当然不是了。请看: 6 I5 B& y6 _% A+ S5 U: R5 T, l* d5 {" u4 F7 a, Y2 ?
U-turns + x+ V9 D8 a5 c: w+ Q B2 Q2 W8 E4 i9 H+ X5 x) d4 v
Do not make a U-turn unless you can do it safely and without interfering with other traffic. 7 b) w' \- Y/ O5 [: c8 o, d& p1 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. ( Y) u* Q b* v9 i8 b* b4 [9 ?2 n; L. e
U-turns are not permitted in urban areas in the following situations:4 e* w* Q% C0 o, k1 r5 I) p! \
On a roadway between intersections. 8 R' W2 v4 q/ w' _$ E) CWhere a sign prohibits making a U-turn. ' s2 s# r. C4 S) A0 b( ^5 T
At an intersection controlled by a traffic-control signal (traffic lights). 9 O* M. J r! E6 i
At an alley intersection. # x$ t) W& _1 r3 `- f $ y1 F9 t% t! `6 z3 `5 M摘自 Alberta Basic Driver's Handbook