From Wazeopedia


77 bytes added, 8 years ago
Best practices for different types of crossings
Why prevent U-turns?
* We do not want Waze to suggest illegal routings. Ever. U-turns are rarely ever allowed, but Waze will suggest one on each and every occasion where it thinks it is appropriate. 
* Ad-hoc routing gets better if no U-turns are possible.
To be honest, this can not completely be remedied in editting. The routing
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