A lab analysis of the lethal injection drug supply Arizona is relying on to resume executions provides no evidence of its efficacy or purity.

ADOT and DPS increase trooper patrols on the I-17 corridor to enhance safety during ongoing road improvements.

DPS troopers will monitor north and southbound traffic with more troopers concentrated in the Bumble Bee area, ADOT said.

Arizona's Governor proposes increased funding for public safety, including pay raises for state troopers and investments in emergency response and drug interdiction.

Starting Monday, drivers passing through the I-17 improvement project between Anthem Way and Sunset Point will see an increase in DPS troopers looking for people who are speeding or driving recklessly.

Beginning immediately, drivers traveling through the I-17 Improvement Project corridor between Anthem Way and Sunset Point will see additional Department of Public Safety troopers

Staffing is so low the department can only patrol two of the state’s 15 counties after midnight: Maricopa and Pima.

TUBA CITY, Ariz. — A deadly crash has restricted access to the southbound lanes of US 89 in northern Arizona. The Arizona Department of Public Safety said a two-vehicle collision was reported Friday morning near milepost 479, south of the Tuba City Airport. At least one fatality has been reported.

The northbound lanes of State Route 87 in Mesa are closed as authorities search for suspects accused of firing shots at another vehicle before fleeing into the desert.

Interstate 10 has reopened after it was closed for several hours Saturday morning following a deadly crash south of Queen Creek Road.