State Rep. Nick Kupper, a Republican who represents portions of Maricopa, Yuma, and La Paz counties, has introduced House ...

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

Rep. Nick Kupper wants to create "derestricted speed zones" that would have no maximum speed limits, but a traffic safety ...

TUCSON, Ariz. (13 News) - A crash has shut down part of Interstate 10 near Vail. The Arizona Department of Transportation says the crash happened at milepost 277. The Arizona Department of Public ...

The southbound side of Loop 303 in Phoenix was reopened after a semitruck rollover crash that killed one person on the morning of Dec. 15.

According to a press release, HB2059, also known as the Reasonable and Prudent Interstate Driving (RAPID) Act, is a bill to "allow higher speeds on designated rural interstate segments while ...

In Arizona, a few severe speeder offenses include incidents of exceeding 100 mph or street racing. This often results in a one-year license suspension. However, drivers still need to go to work and ...

Loop 303 was closed near the TSMC Arizona campus in north Phoenix for nearly six hours after a fatal semitruck rollover crash ...

New lane restrictions are affecting traffic in Tucson this week as crews work on the Interstate 10 widening project.

The eastbound lanes of Interstate 10 are closed near Vail, Sunday night, according to the Arizona Department of ...

The Arizona Department of Transportation announced Friday that the speed limit on State Route 24 in the southeast Valley ...