当然不是了。请看: 5 [! b$ J- p. E ( u4 N. O8 O* N+ z( q" I [% zU-turns ' p m) `! h0 P# j9 T$ [ , @ O+ Y |* k- O* Q5 _Do not make a U-turn unless you can do it safely and without interfering with other traffic. ! S* H# }' z. z, g
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. # { _. R. E {: |+ u$ h( g: H $ L# p, i/ X9 ^2 J$ G4 h8 SU-turns are not permitted in urban areas in the following situations: % [6 P7 k. C+ Z. NOn a roadway between intersections. q4 k- H( W5 K6 T0 l
Where a sign prohibits making a U-turn. . G- ?+ f' h4 o7 L/ y o* T' j
At an intersection controlled by a traffic-control signal (traffic lights). Z) ? }8 \7 a) _& I0 _
At an alley intersection. ' @0 E Q/ Z+ g& N+ j* C* [/ @4 i. y) C |" c/ V
摘自 Alberta Basic Driver's Handbook