The highway authority nonfeasance rule applies to all areas where there is a public right of passage, including unsurfaced nature strips and footpaths, not merely the vehicular carriageway. No distinction is drawn between natural and artificial surfaces. Planting trees at intervals on a nature strip does not withdraw the entire strip from public use. A council's failure to erect warning signs about hazards on a nature strip is a failure in its capacity as highway authority, not in some other capacity, and is therefore protected by the nonfeasance rule.
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