A road authority that knows a section of road is prone to being slippery when wet due to permanent geographic features (such as a lake system) breaches its duty of care by failing to erect inexpensive warning signs, even where the risk materialises only intermittently after rain. The maximum speed limit is not the benchmark for assessing whether a driver's speed was reasonable for the purposes of contributory negligence on unsealed roads. When assessing loss of earning capacity for a worker in a cyclical industry, a trial judge must consider the possibility that buoyant economic conditions will not persist for the remainder of the plaintiff's working life.
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