当然不是了。请看: ' u6 X% Z. A+ P) K " v1 v$ K0 Z- V5 U4 v5 QU-turns% ?8 J0 s: W; h- B( M$ J, z7 ^; u
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Do not make a U-turn unless you can do it safely and without interfering with other traffic. 4 T) B- ` O d# k
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. . G- s8 _& r% } S : W2 k# s" t8 bU-turns are not permitted in urban areas in the following situations:4 O4 j; g7 \/ }, r( f& i" s
On a roadway between intersections. & v7 G& G& }6 s
Where a sign prohibits making a U-turn. ; m5 P3 X% H; I: ^4 ^
At an intersection controlled by a traffic-control signal (traffic lights). & Q1 W5 q4 F$ G0 E$ YAt an alley intersection. ' F3 M0 G: r5 c! O
" ], a0 h5 f3 m; x/ E; A" k摘自 Alberta Basic Driver's Handbook