As more Americans turn to biking for commuting, exercise and recreation, the roads are growing more crowded and more dangerous as cyclist fatalities have risen sharply nationwide. While crashes are ...

ALHAMBRA, Calif. (KCAL/KCBS) - Authorities in Southern California say a good Samaritan helped a woman escape a domestic violence situation at a convenience store. In this case, the woman used hand ...

Add Yahoo as a preferred source to see more of our stories on Google. A hand signal for help, demonstrated on social media, is the reason police say they were alerted to a suspected domestic violence ...

Turn signals are one of the earliest automotive safety features. In the early 1900s, some cars came with mechanical arm "trafficators" that would pop out of either side of the car to indicate a turn.