Originally, California’s road signs were black with white lettering, but the state changed them after a federal rule was ...

If you're a driver (or even a passenger), you've seen them: small color-coded plastic markers in the center, or sometimes at ...

a self-driving car navigated a curvy Chattanooga street by "listening" to the road's reflective lane markers. Oak Ridge National Laboratory and Western Michigan University researchers demonstrated ...

A potential source of funding has been identified to help the Colbert County Road Department replace thousands of reflective ...

Like most city signs, those for sale are made of aluminum and coated with reflective material on both sides. The green and brown street name signs are about 9 inches tall, with different lengths ...

However, reflectors are more expensive than paint, so the state has to be selective with where it employs them. “To further enhance visibility, we use raised pavement markers – yellow or white ...

Originally, California’s road signs were black with white lettering ... Caltrans is replacing older signs with reflective dots in the border and inside the letters with “retroreflective ...