A state trooper behind a bush. A possum in the street. A bicyclist on a busy roadway. All are day-or-night, rain-or-shine scenarios where a flash of headlights could warn another driver to watch out ...

Speed traps are no fun. Some people dislike speed traps so much that they’ll even go out of their way to warn other drivers by flashing their headlights. Doing so may help other drivers avoid hefty ...

The DOT says several factors determine what kind of warning devices are installed at a crossing, including traffic volume, ...