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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):4 [2 `- F+ A; j+ k) t2 r
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* At the crest of a hill or on a curve unless the driver can see at least 150 m ahead,$ W4 r4 w( z* f0 @$ g# d: S3 T
* Anywhere a sign prohibits a U-Turn,( K' u+ R, h( \7 u i2 e' r# C
* In urban areas between intersections,
+ |6 R7 W7 \, h6 [+ W * At alleys and driveways,3 P2 f2 C# D# H7 b" i
* At an intersection controlled by a traffic signal (unless signage or signals specifically allow this maneuver),
1 K, Q. m3 |( t& m * 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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