Cyclists' warnings when passing vulnerable and high risk pedestrians

• Separating cyclists and pedestrians from motor vehicles improves their safety but sharing paths exposes both to risk • Child and elderly pedestrians are more vulnerable in bicycle collisions • Pedestrians walking dogs, skateboarders and rollerbladers, and pedestrians using headphones or looking at smartphones pose risks to cyclists • Bicycles must have a working bell or horn in Australia and authorities recommend ringing to alert pedestrian