1.   Most fatalities involved trespassing pedestrians instead of motorists, Hidalgo said.

2.   San Francisco, which in the last three weeks has had an unusual surge in accidents involving pedestrians, has been using cameras to catch cars running red lights.

3.   The fourth fatal accident, which also involved a pedestrian, took place late Sunday near Chambers.

4.   Of the five incidents, two were collisions, one involved a pedestrian and the other two were buses put out of service by malfunctions.

5.   The study recommends that states match the proportion they spend on pedestrian safety to the proportion of traffic deaths that involve pedestrians.