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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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5 R# v0 d$ k& p" ?5 s& X! D * At the crest of a hill or on a curve unless the driver can see at least 150 m ahead,/ p+ S+ Y9 k* x3 a. M( N" |6 F$ E- s
* Anywhere a sign prohibits a U-Turn,
( c2 a- F& ^0 a8 P3 C * In urban areas between intersections,! S" L, Y% q# }$ _/ ^+ ?/ V
* At alleys and driveways,
- [, w( P: H. D( y/ f: l4 ] * At an intersection controlled by a traffic signal (unless signage or signals specifically allow this maneuver),4 }& M1 ?4 _% E$ [6 I9 j
* 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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