After several years of planning and four years of construction, the widening project on Interstate 10 in Phoenix is complete!

The project includes new travel and HOV lanes in both directions between U.S. 60 and I-17. It was initially slated to be done ...

An 11-year-old boy and his mother died after their car was hit by a commercial vehicle Sunday night. TUCSON, Ariz. — A crash ...

The Arizona Department of Transportation announced the completion of the 11-mile, $833 million project near Phoenix Sky ...

On its surface, floating solar appears to conserve water while generating carbon-free electricity. River managers are ...

The study did not measure how much water evaporation floating solar would prevent, but previous NREL research has shown that photovoltaic panels—sometimes called “floatovoltaics” when they are ...

The westbound lanes of Interstate 10 have reopened in Tucson. The Arizona Department of Public Safety said the closure at ...

The westbound lanes of Interstate 10 in Tucson are closed due to a crash Saturday night approaching 22nd Street, near the Interstate 19 interchange, according to the Arizona Department of ...

At least three people were killed when a private jet crashed into a San Diego neighborhood Thursday morning, adding to the ...

A new report ranking the deadliest highways in the nation calls Interstate ... Phoenix to Tucson. Installation of cable barriers in some I-10 medians is being discussed by the Arizona State ...