当然不是了。请看:+ g; ^* [0 @/ {
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U-turns/ z8 L' X9 k5 G) h: X4 D3 p
2 P* X H' [7 |. [Do not make a U-turn unless you can do it safely and without interfering with other traffic. / E. P: T1 O9 E7 e% v$ 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. . Q0 ?# Y2 g2 E( a4 E8 k5 J8 _8 [2 {; ]7 z
U-turns are not permitted in urban areas in the following situations:$ j# U" B1 ?* J0 D
On a roadway between intersections. ) m, Z# Q+ X8 m: I1 [: O: N! j; iWhere a sign prohibits making a U-turn. % U7 d7 j" s" |9 k/ f# U7 f( HAt an intersection controlled by a traffic-control signal (traffic lights). ; e9 ^0 o; ?/ a" a% N% S0 b( S3 yAt an alley intersection. : O; Y+ `% [' ?0 ?. _ w3 w5 R% l( F# a% I! ]/ s8 |摘自 Alberta Basic Driver's Handbook