Traffic signs have to communicate crucial information quickly and simply, to anyone who might be on the road. They use letters and numbers to lay out information in plain language but they also use ...

Learning road signs can seem like a one-time job. People cram for a test, then drive for years on habit. Yet signs change, routes change, and memory fades. Some symbols also ask drivers to supply ...

If you've spent some time on highways and rural backroads, you may have noticed something strange – some road signs are peppered with holes. It could be any marker, from a simple red "Stop" to a ...

When you first learned to drive, you were likely given a guide to the various road signs and their meanings. Whether it was in a formal Driver’s Education class or through a state-issued driver’s ...

Despite the overall ease of controlling a car, the statistics still show many drivers get into accidents. Although it’s not always the fault of the person behind the wheel, people can often trip over ...

Autonomous vehicles operate in a complex environment, and recognizing traffic signs is an important part of that. A new microstructured material reflects light in rainbow rings, which can make traffic ...