当然不是了。请看:3 h2 L* i5 k8 Q( `' |5 V
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U-turns 3 w" o, }' f! d9 @4 K( k. Q. R/ W4 L+ n$ u: W# [
Do not make a U-turn unless you can do it safely and without interfering with other traffic. : w3 i' j) p8 v6 F2 y4 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. + q, W# \: F- k ! g1 O" H. u/ T. N- y/ yU-turns are not permitted in urban areas in the following situations:0 t& M; U( r2 q8 I
On a roadway between intersections. 3 M0 j% \/ |& I" c/ Y3 r' jWhere a sign prohibits making a U-turn. 5 M T, u4 A( I! r3 c
At an intersection controlled by a traffic-control signal (traffic lights). $ Q9 E- x2 ]- d# d4 p0 i FAt an alley intersection. ( E5 ^ f4 C5 Q! V
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摘自 Alberta Basic Driver's Handbook