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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):
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* At the crest of a hill or on a curve unless the driver can see at least 150 m ahead,
9 H5 y1 X' y/ ? * Anywhere a sign prohibits a U-Turn,! ^# h0 ?9 D2 x
* In urban areas between intersections,3 p/ ~, `' W5 w0 a! H7 |
* At alleys and driveways,
' E- |# j% g/ `& L C; }9 o * At an intersection controlled by a traffic signal (unless signage or signals specifically allow this maneuver),
" G7 { C7 R, R& k * 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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