If you're driving between states this holiday season, watch out for speed limits different than you're used to.

Speed limits are widely ignored in the U.S. Here’s why the system is broken, what the data shows, and what it would take to ...

Some states -- with a nudge from the federal government -- are seeking to modify if not replace a widely accepted concept when setting guidelines for how local engineers should decide what speed limit ...

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 ...

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 ...

SAN ANTONIO (Reuters) - A stretch of highway under construction in Texas could be the first U.S. road to have a posted 85 mile per hour speed limit, according to the Texas Department of Transportation ...

Arizona may become the only state without maximum speed limits on some highways, as Rep. Nick Kupper proposes a pilot project to test the idea.

State Route 24 in the southeast Valley carries more than 60,000 vehicles daily, with most people driving up to 70 mph despite ...

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 ...