当然不是了。请看: 9 X4 z3 r; o# z" s+ b3 R" }& E q( I& s& D' L @, p5 l
U-turns * v% F2 Y( q- N- j9 A1 z6 x4 V 4 ~% b2 N! H; J/ MDo not make a U-turn unless you can do it safely and without interfering with other traffic. " u7 l# ^# B3 }, |3 U: m" Q6 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. ' }9 ?5 L& D/ F0 \ q/ Q
" ]' z' e8 V7 fU-turns are not permitted in urban areas in the following situations: - |5 p/ f& L/ O/ ?. QOn a roadway between intersections. ) Q0 J: O+ ^1 s, D
Where a sign prohibits making a U-turn. & {- U! O4 f! G+ R2 ~6 } K
At an intersection controlled by a traffic-control signal (traffic lights). - r& ?0 A# f9 x6 O1 ~$ h
At an alley intersection. 8 G2 z0 r% ^0 R z0 u# W% f9 d $ S4 ^- B- }2 b" K- x摘自 Alberta Basic Driver's Handbook