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U-turns are often prohibited for various reasons. Sometimes a sign indicates the legality of U-turns. However, traffic regulations in many jurisdictions specifically prohibit certain types of U-turns. Laws vary by jurisdiction as to when a U-Turn may or may not be legal. Examples of jurisdictions with codified U-turn prohibitions include the Provinces of Alberta and British Columbia and the State of Illinois.[1] In Alberta, U-Turns are prohibited in certain circumstances, for example (ref. Alberta Regulation 304/2002, Division 7):3 I; z( u7 H. E0 H1 _4 M- S
6 P# m; _) z, f * At the crest of a hill or on a curve unless the driver can see at least 150 m ahead,5 ?. }1 d. ?# X3 I
* Anywhere a sign prohibits a U-Turn,3 N/ ^) F( I) O8 }( A/ a
* In urban areas between intersections,6 _, a) E' q& q8 i$ `
* At alleys and driveways,
6 D* z6 D& |1 k * At an intersection controlled by a traffic signal (unless signage or signals specifically allow this maneuver),
" M; y( u8 b b * By a school bus on an undivided highway or on a divided highway where the length of the bus is longer than the width of the median between the two carriageways. |
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