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This value indicates the presence of a safety feature located on the outside of the primary or secondary direction travel lane(s). Outside shoulder safety features are intended to prevent vehicles from continuing beyond the roadway cross section. Changes in safety features should be detailed in existing roadway segments whenever they are continuous over at least 50-percent of the roadway segment. Segment breaks specifically for safety features should be limited to locations where they represent a significant change to the roadway characteristics, or where they cannot be adequately described in terms of existing roadway segments. For example, a relatively short break in guard rail along a segment of roadway that predominantly has guard rail should not constitute segment breaks, whereas the point at which guard rail starts or ceases to be a predominant roadway characteristic would warrant a separate segment break.