Wrong-way collision on I-17 in Phoenix results in the death of an 18-year-old woman and critical injuries to a male driver.

Residents of eastern La Paz County fear outside investors, corporate farms and big cities will tap rural groundwater.

Tucson motorists can expect “a year of many changes” as a 4-mile stretch of the city’s interstate will be getting ... the roughly 4-mile segment of I-10 between Ina and Ruthrauff roads ...