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The National Transportation Safety Board’s report on bicyclist safety includes 22 safety recommendations addressing issues including roadway and intersection design, collision avoidance technology, blind spot detection systems and helmet use.

The NTSB called upon federal regulators to create a review process before allowing automated test vehicles to operate on public roads, based upon the agency’s investigation of a fatal collision between an Uber automated test vehicle and a pedestrian.

The NTSB determined during a public board meeting that a fractured fan blade from a CFM International CFM-56-7B engine, powering a Southwest Airlines Boeing 737-700, led to the engine inlet and fan cowl separating and subsequently damaging the fuselage, resulting in a rapid cabin depressurization.