The Federal Highway Administration publishes and administers national standards for streets and highways in the MUTCD (Manual on Uniform Traffic Control Devices). I refer to it often in these articles ...

Q: Road signs in construction zones are orange. Aside from color, some look like “mandatory” black-and-white signs, while others look like the yellow “advisory” cautionary and warning signs. So, are ...

Matt Keenan was an experienced cyclist. He knew the best bike routes around San Diego, and bought the brightest lights for his bike. None of that was enough to keep him alive. Keenan was killed by a ...