If you’ve ever been on a road where the speed limit feels artificially low or surprisingly high, you’re not alone. For decades, many states have leaned on a single formula to decide how fast cars ...

Rose Hammond pushed authorities for years to lower the 55 mph speed limit on a two-lane road that passes her assisted living community, a church, two schools, and a busy park that hosts numerous youth ...

Roads can be dangerous, and that danger often comes from multi-ton vehicles traveling at speed. In an effort to improve safety, San Diego is preparing to lower speed limits on over 20 percent of its ...

Rose Hammond pushed authorities for years to lower the 55 mph speed limit on a two-lane road that passes her assisted living community, a church, two schools and a busy park that hosts numerous youth ...