Ponder the red-backed poison frog. In nature, red can issue a warning to predators — stay away, the aposematic message reads. On the road, red can be a warning of its own, often flashing on emergency ...

Q. What do the flashing blue lights off to the side of the freeway mean? They flash at the end of long poles, perhaps near construction materials. There is one at the Pacific Coast Highway exit on the ...

Before installing brighter bulbs, auxiliary or flashing lights on your car, ensure you're not breaking any state or federal laws.

Q: A while back while traveling on Interstate 90 out of Wisconsin, a red truck with flashing strobe lights came up behind us. The lights were in the grill, not on the roof and I don’t recall the color ...