当然不是了。请看: ) S4 ]; i2 a% [+ [6 l. Q5 K) H& n2 F5 M: [) k
U-turns 0 _2 Z ]. E" r+ j$ N2 u w- [0 s( N6 p1 L3 U4 W& Q k' z4 A
Do not make a U-turn unless you can do it safely and without interfering with other traffic. 1 f8 Z( B8 s) w: ]0 DOutside 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. 6 w; T$ Q B, @" M) ^
( f1 P# a8 \) O. z6 Z* GU-turns are not permitted in urban areas in the following situations:( k$ Z3 I( W Q+ y
On a roadway between intersections. 4 l6 D9 F/ M- S& `; ]
Where a sign prohibits making a U-turn. : X. U, @; Y0 m' r" K5 W
At an intersection controlled by a traffic-control signal (traffic lights). 3 H( l7 C' P: w6 t+ p# HAt an alley intersection. # y8 \% G: D# B# C& `' E3 r( e% ]* l
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摘自 Alberta Basic Driver's Handbook