Several highways in Northern Arizona were closed Thursday afternoon due to crashes and winter weather, but have since reopened. The only highway still closed is State Route 64 (both directions) ...

A new bill proposes removing daytime speed limits on select rural Arizona highways. The proposal is inspired by Montana's mid-1990s experience with no speed limits. Proponents cite data suggesting ...

PHOENIX -- So when it comes to driving on rural interstate highways, how fast is too fast? As Rep. Nick Kupper sees it, it's whatever is "reasonable and prudent" given the conditions. What that is, ...