The experimental move could change US driving rules, with backers arguing it modernizes traffic law to better reflect road ...

Arizona may be on the brink of giving the United States something close to a true Autobahn — a stretch of highway with no ...

A proposal from Republican Rep. Nick Kupper would, among other things, set up a pilot project on a stretch of I-8 between ...

A state lawmaker would give drivers the green light to go as fast as they deem "reasonable and prudent," pulling speed limits ...

Speed limits aren’t designed for the sharpest drivers in the fastest cars on the clearest roads. Often, they’re actually quite the opposite. Traffic engineers routinely acknowledge that speed limits ...

(The Center Square) – A state legislator wants to eliminate specific daytime speed limits on Arizona’s rural interstates. House Bill 2059, also known as the Reasonable and Prudent Interstate Driving ...

The answer to whether Germany's Autobahn has a speed limit is -- yes and no. While around half of the Autobahn system has no posted speed limits, one-third of the Autobahn has a permanent, posted ...

A variable speed limit system changes the max speed limit throughout the day. Instead of a static limit, it's based on road conditions and time of day.

Arizona state Rep. Nick Kupper (R-25) introduced the the Reasonable and Prudent Interstate Driving ( RAPID) Act, which would allow removing speed limits from specific rural highways. Arizona would be ...