当然不是了。请看: 1 o" d# U4 l5 X! k- Q, S0 b5 C6 t! r' W# U& G
U-turns ' A+ u* G1 r; B- W0 w+ U. d0 {5 d
Do not make a U-turn unless you can do it safely and without interfering with other traffic. ; _9 L$ e0 m( `4 ^4 q
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 U$ x9 E/ U8 H% \1 U6 Q# Y4 K3 M2 v5 \/ }9 A) R; ^+ m
U-turns are not permitted in urban areas in the following situations: 3 ]$ C, }; R" b7 Q M+ R0 n+ {5 COn a roadway between intersections. 0 Q+ a6 o' x7 k2 J _/ e* O# g
Where a sign prohibits making a U-turn. ! D, c$ k& l( L1 e4 wAt an intersection controlled by a traffic-control signal (traffic lights). & F& K9 B3 c$ E
At an alley intersection. 3 M$ B+ @; M) X" }; @: Q; j8 ` 8 r* h5 U# }3 ]% b* `# h3 W摘自 Alberta Basic Driver's Handbook