当然不是了。请看: : G1 p& _( w: J- _" ` X5 O; A! b4 B; \6 L
U-turns# e) B# v( f Q7 Z
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Do not make a U-turn unless you can do it safely and without interfering with other traffic. ; w8 \# f T) v5 }- nOutside 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+ j0 Q3 `+ T2 b3 f4 m. v- ^6 | i. Y9 Z- M# S
U-turns are not permitted in urban areas in the following situations:3 b( E3 y4 ^. r7 T
On a roadway between intersections. 1 f7 [! S2 F0 W) s( L+ N( YWhere a sign prohibits making a U-turn. 4 C( X ?7 ? W) W, ~At an intersection controlled by a traffic-control signal (traffic lights). - _. ?3 y& M3 ?" U% k, v8 k
At an alley intersection. & z8 f6 E3 b4 S }$ r g& J$ z: S5 g! ?# _3 o! T
摘自 Alberta Basic Driver's Handbook