Arizona is testing the limits of how fast Americans can legally drive, with a proposal that would scrap daytime speed caps on long, empty stretches of interstate. The plan would make the state a ...

Rep. Nick Kupper wants speed limits to be at least 80 miles per hour in rural areas of Arizona, but his proposal also would ...

Arizona has massive stretches of highway that can get quite boring if you drive the speed limit. How does the new proposed ...