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Hatched or cross-hatched area a competitor may not enter.
Also known as: Forbidden area marking, No-go area symbol
Areas forbidden to competitors are cross-hatched, and entering one is a disqualification rather than a penalty. The marking usually protects private land, growing crops or dangerous ground rather than the competition.
Marks ground a competitor must not enter, whether for safety, for landowner permission or for crop protection.
Contexts: Maps
Carries disqualification rather than a time penalty, which is why it is drawn to be unmistakable rather than subtle.
Contexts: Maps
An area filled with regularly spaced diagonal lines, or with lines crossing in two directions, over the underlying map detail.